Brewer's Guild Historic Research
Brewer’s Guild Research
When it has come to settling differences of opinion on activities and direction within the group, it is best to look to history for providing a direction and as much of a course of action as maybe applicable.
Yet, this approach has not been applied to the reoccurring question of a brewer’s guild as is desired by the members of the TDB, mostly due to lack of interest, both my own, as having little interest in brewing and as much so brewers lack of researching the issue as well.
In an effort to settle the matter, if not once and for all, at least to provide a useable framework that can satisfy the details necessary for such a group to comply with the greater purpose of being a historical reenactment element and enhancing the period atmosphere, I have combed through my library and ferreted out as much information as may be deemed relevant to the topic. In addition to historical information on brewing, historic information of guilds and crafts has been, by related necessity, likewise researched. (Most of the information presented here was not at hand at the time of framing the original laws pertaining to guilds).
Historically speaking, brewing was a common domestic skill, the craft of which was general knowledge amongst the populace. (Joyce, 1903, pp.116, 118). On the surface of it, it would be no more justifiable to organize it into a guild then it would be for any modern people that could make a grilled cheese sandwich to form a trade union.
However, upon further investigation, while brewers are not enumerated in the body of guilded artisans per se (i.e. blacksmiths, metal artificers, builders and carpenters) there absolutely was an historic cultural artifact that provides a near equivalent function and speaks just as well to the TDBs desire to have a formally recognized association of brewers. The institution was known as a “Legal Alehouse”. (Joyce, 1903, p.118).
This “legal alehouse” was a medieval brewery. It should not necessarily be equated with the thought of an “alehouse” being a pub or gathering place for socialization and alcohol consumption (though it may have, a lords mead-hall or a brughiean are spoken of more to that purpose) It was a building for the domestic production of alcoholic beverages and “licensed” to produce brew that was certified for barter. (Joyce, 1903, p.118).
A legal brew house was obligated to perform three “tests” during the brew process to ensure a successful batch. These tests are reported to be proscribed by the Senchus Mor (the great body and collection of laws of ancient Ireland). (Joyce, 1903, p.116).
These were “taste” tests, first of the initial grain to test it for bitterness, a second test after storage of the grain for “mawkishness” and a third test of the mash prior to fermentation. (Joyce, 1903, p.118).
(It should be noted that “mawkish” means “sickening” or “bad” tasting, but is derived from an Old French / Norse word for “maggot”. Since this is an English translation I’m working from, the exact meaning is uncertain, but either way you slice it, it comes down to unsuitable grain.)
Having brew from a licensed alehouse was a legal guarantee that the three tests were performed satisfactorily under the supervision of an expert. In contrast, there also existed unlicensed ale houses, which went unrecognized by the law. By extension, this would apply to homemade concoctions.
The legal distinction between the two is illustrated thus: If brew was procured from an unlicensed source, and it proved to be spoiled, the payment was forfeit and the debtor still liable to make good -even if the three tests were performed as proscribed by law. However, if the brew was procured from a licensed source, the debtor was not held accountable (presumably, the licensed alehouse was held liable but this is not specified or elaborated upon in my available sources). (Joyce, 1903, p.118).
I have found no honor price set specifically for a master brewer let alone attendants as of yet.
Whereas master metal smiths and greater carpenters might obtain a rank equivalent to an Aire Deso that allowed them to travel safely between tuatha for work, that is probably an artifact of their crafts as they were highly specialized and the dispersity of territorial demand. (Patterson, 1994. p.41). The brewer was probably a sedentary fixture and either in the employ or tied to a localized venue, their honor price, in contrast to heavier durable goods craftsmen, was probably derivative of the lord they served and attendants and helpers of a master descending from there based on relative skill, as many crafts were. (Patterson, 1994.pp.39,41)
As to the production of the ale house itself, the following are listed as historic brews:
Coirm, Leann or Beoir- ale or beer, said to be reddish in color. As for alcohol content it is inferred from the sources that 3 pints would not cause inebriation, but six pints would for the average person. One version was ale made from heather (or the berries thereof?)
Mead and Metheglin there is no mention of the spices that would be used but hazelnut flavored mead (miodh cuill) is mentioned. (There is no mention of melomel but I would assume as such using native fruits and berries and I am near certain I have read as much but cannot find the source)
Broicet – aka bragget, described as honeyed and spiced ale.
Nenadmim – a cider made from wild or crab apples. Also another fruit cider made from berries described as ““wood-berries,” which are probably the berries still well known as fraechóga or fraecháin, anglice “froghans," the Vaccinum myrtillus, better known in Munster as “whorts ” or “ hurts.” (Then again, if you consider the word “Nenadmin” it almost seems like some sort of linguistic shift from “methaglin”, though the additive here is fruit and not herb based)
(Joyce, 1903, pp.115, 116, 120-121)
Now, as to the direct application of organizing the brewers into a clan recognized entity are the questions of leadership, membership, modus operandi, and tribute:
Leadership
The head of such a house would be a professional brewer known as a Scoaire or by the Latin (and ultimately Gaulish derivative) of Cerbsire (from “cerviciarius”). (Joyce, 1903, p.119). This person, like other crafts, was probably considered the “best” available at the craft.
The head of a profession was referred to as a Sai re ceard, meaning “master mechanic” “master artificer” or “sage of craft” in generic terms. (Joyce, 1903, p.329).For our purposes it may be convenient to refer to the head of the brewers as a Sai re Sgagaire or “master strainer”.
As for how that person was determined:
“Local control of skilled labor was strongly developed and must have required some such political pressure if the Cashel-based élite was to dominate the circulation of wealth in the south-west. This is shown by the fact that the rank of master-craftsman in metallurgy (master of ‘test’, master-blacksmith, master-whitesmith and master-brazier) was conferred on an artisan by his own people, tuath (CIH 1618.34-40 = Mac Néill 1923: 281 #60).” (Patterson, 1994, p.43)
As much as the clan laws envisioned a guild head to be settled solely amongst the practitioners, historically, it was otherwise. This probably, makes sense for us as well. Consider brewers to be of an elite palette, that may be fine amongst themselves and they may choose their favorites, but if they do not cater to the taste of the greater populace, their product would not be in as much demand and undermine their own status.
In either case, a trial by contest seems warranted to settle the matter. The elevation of an individual to a craft position is further elaborated on below.
Membership
Sources also speak of attendants to a particular brewy (public hospitality innkeeper) known as “strainers” whose job it was to strain the ale. (Joyce, 1903, p.118). It may be reasonable to assume, that a Scoaire likewise had such attendants to handle the grunt work of brewing. The source I am using uses the phrase of the men at work as a sgagadh leanna “a-straining ale”. (Joyce, 1903, p.118). A person who does such work would be called a Sgagaire, or scagaire in modernized Irish. But on second look, Scoaire and Scagaire look to be the same word (as Irish has a tendency to soften medial consonants) and perhaps not useful to distinguish between the master and journeymen. Regardless:
“Qualifications in terms of skill or learning were confined to special segments of society, whose members had honor-price on the basis of degrees of skills and learning.” (Patterson, 1994, p.39)
Therefore, a stratified guild rank system is warranted.
Given the historic brew examples, the prospective guild outline should set a standard(s) of each type and order them based on difficulty.
Rank in the guild can be differentiated and stratified by the relative success of brewing a given quantity of each type, and perhaps based on repeated success at such throughout the year. (For instance, an apprentice level may be tasked to brew 5 gallons of simple red ale for Imbolc and then again for Samhain, while a journeyman level applicant might be tasked to brew five gallons of each variety of historic mead as set by guild criteria.)
Three or five, as good Celtic numbers, are probably sufficient levels of stratification. As for compliance of such and administration:
“Craftsmen who were masters of their skill, however, might have independent status if they were not tied to the service of a king. In that case, they had the franchise of the lower grades of the lords, in terms of honor-price and in terms of being free (sóer) to exercise judicature regarding their profession and apprentices (CIH 1612.4-22; 1613.9-16, 22-37. See Mac Neill 1923: 277 #37-280 #55).” (Patterson, 1994, p.40)
Also,
“No individual tradesman was permitted to practise till his work had been in the first place examined at a meeting of chiefs and specially-qualified ollaves, held either at Croghan or at Emain, where a number of craftsmen candidates always presented themselves. But besides this there was another precautionary regulation. In each district there was a head-craftsman of each trade, designated sai-re-cérd [see-re-caird], i.e. ‘sage in handcraft.’ He presided over all those of his own craft in the district: and a work-man who had passed the test of the examiners at Croghan or Emain had further to obtain the approval and sanction of his own head-craftsman before he was permitted to follow his trade in the district (Joyce, 1903, p. 329)
Therefore, the chief had a function in the acknowledgement of a person’s level of skill. The concept is further elaborated upon:
“Other very early tracts connected to the nemed school also place great emphasis upon social relationships based on the exchange of skilled services, with the jurist and the king both being expected to play a role in mediating the social standing of individuals by correctly evaluating the worth of manufactured objects, as well as raw materials. This is a prominent feature of the advice to a king, compiled in Audacht Morainn (Kelly 1976). The involvement of the king as ultimate evaluator of the worth of things recalls other signs that the Cashel kingship, even well after the conversion, tended to conjoin techno- religious and military power to a greater degree than is found elsewhere.” (Patterson, 1994, p. 43, 44)
Therefore, the chieftain historically played a large role in the approval and elevation of craftsmen.
As for the Modus Operandi of the guild, it is expected that projects undertaken would be to enhance the period atmosphere using the given craft. Therefore, production of the historic varieties of brew are a natural main activity. Brewers ideally should be familiar with historic production methods and analogs to modern brewing techniques, even though they might choose to employ more modern methods for economy and hygienic sake.
As the guild would also be required to render some sort of annual tribute, perish-ability and the seasonal availability of certain fruits, spices and resources might be taken into consideration for presentations at our events. (i.e. if apples were picked at a certain time of year, and it takes six months to brew a particular cider, then that cider would be most naturally presented six months from the traditional harvest season). Such thought into presentation would certainly lend itself to the period atmosphere.
A large part of the difficulty and what remains here is the actual metrics of determining skill.
History states that the work was presented for evaluation to the chief and specially qualified ollaves.
Regardless of judging method, an initial push of brew should be produced of decided upon varieties for comparative evaluation by prospective candidates, of whatever rank.
Since submissions may be limited, the guild should keep a stock of the various brews so that a brewer’s work will have other examples of a given type to be tasted against for the fairest judgment. Such a procedure would have the advantage of catering to the guilds own taste rather than that of an outside standard however it would necessitate to coordinated production of a given type.
Brogan had once submitted a plan where the judging of various brews would be submitted to national contests for independent evaluation. That would certainly substitute as “specially qualified ollaves”. This may be an option the group might want to consider to avoid any internal friction or ill feeling, and also would avoid the need to stockpile comparative samples. It has the added benefit of establishing the skill of a brewer in a very real and modern sense, beyond our own definitions (thus avoiding the pretentions of conferring lofty titles on what may be comparatively mediocre brewers).
My limited sources used:
Joyce, P. W. (1903). A Social History of Ancient Ireland. Dublin: 1903 reprinted MO: 1997.
Patterson, N. (1994). Cattle Lords & Clansmen 2nd edition, Notre Dame: University of ND Press
I would have liked to also have consulted Early Irish Law by Fergus Kelley, but Fiachra currently has it out on loan. From what I recall it would not have provided anything specific to brewing, but spoke more to the institutions organized crafts in general.
If I happen across any other pertinent information I will update the article.
This research is dedicated to and was performed as a labor of apology to Sabha, who was unintentionally caught in the crossfire of my tirade against the dilution of our re-enactment aesthetic.


dupe
please note that this information was posted twice with nearly the same name. I diff'd the two, kept the version with more information and deleted the other.
Yeah, the first post seemed
Yeah, the first post seemed like it timed out and it didnt show up, hence the second. formating is a bit dodgey as well. I lost my bold and italics.
formatting
The default setting for posts allows a subset of html for formatting.
edit?
No WYSIWYG module available?
wysiwyg
Yes, I had one installed for awhile, but got tired of playing whack a mole since for some reason there were hacks targeting it. Here is a list comparing some of the (many) wysiwyg editors available for Drupal (we're currently on v6). This is not something I want / need to waste much time on since tagging works fine as is, but if there are others in the Clann for whom this is important please let me know and I will investigate it.
wysiwyg
That article took well over forty hours of my time to prepare as it was.
Though I would have liked to have complied with certain academic formatting standards, having to go through and tag everything by hand is an additional tedium I’m not going to bother with, weather it works or not.
I had even scanned in all the orignal source material and highlighted the relevant sections but because of the interface, didnt even consider posting it along.
My guild site for warcraft allows me to copy and paste from Word and retain formatting. I would have thought the same functionality would have caught up to this site by now without issue.
Most of the posts on the sight are only a paragraph or two.. its the longer posts that would benefit.
wysiwyg
Save your doc as html, open in notepad and copy it then paste here - a lot of the formatting should come through fine, however - Word's html output is non-standards compliant - it will usually have a bunch of useless code in it that does nothing useful here.
[edit: upload to Google Docs, then save as HTML - the output is *much* cleaner]
private?
Is there a reason why this post was set for TdB members only? Certainly this is exactly the kind of discussion that deserves to be shared with a larger audience? One person who would certainly enjoy it is Gobae, who is set as a "friend" and will not be able to read it as it is.
private?
completely accidental. must have hit something without noticing. I was wondering why i had to sign in to see it.
RE: Brewers Guild Research
Great and insightful article Aonghus!
I'm still not entirely convinced that we need to go as far as organizing a guild since at this point I think that at least 3\4 of the active members of the Clann at large brew. The purpose of a guild is to showcase the hard won skills of a small number of a larger population and if 8 of the 12 or so members of the Clann are brewers, it would seem kind of silly to me to go to the effort of this whole thing.
That being said, if it is decided that we do in fact want to go through with this, I do like the idea of entering national competitions in order to prove the merit of the individual brewers. I have entered one such contest many years ago, the National Homebrewers Association annual brewing contest. The only problem with this is that unless you actually place you dont get any type of score back from them so it would be difficult to say who was actually the "better brewer"
For the record, when I entered (a year or 2 before I got involved with the Clann), I placed first in the Northeast for a straight honey mead. Still have my blue ribbon floating around somewhere to prove it!
brewer importance
Interesting read, though I'm not really a brewer myself (I'm more of a lackey lifting heavy stuff for the brewer in my house) though I do appreciate a fine home brew perhaps a bit too much. Since there are only two works cited above, I would suggest more data is needed to draw any real conclusions about the relative importance of brewers in ancient Irish society.
After a very quick search, I found a book in Google Books entitled A History of Beer and Brewing which may be of interest. The book is authored by Ian Hornsey who I believe is the founder of Nethergate Brewery in Suffolk, England (the makers of Old Growler!). The entirety of the book is not available online, so we can't check his sources, but he appears to have done some serious investigation on the topic. There is an extensive section about ancient Irish brewing which contains an interesting poem that, while medieval, may be much older - and has as its first stanza that
suggesting that the making of ales was important enough to have risen above the level of mere domestic production. (...or does this just mean that you can't be a king unless you come from a specific location?)
[edit: The image above is a clip from another source for the poem I found from 1873, entitled On the Manners and Customs of the Ancient Irish by Eugene O'Curry which appears to be a compilation of a series of lectures by O'Curry, then professor of Irish History at Catholic University. Since this book is over 100 years old, it is available complete in PDF from the link above.]
Fer Fothlai
I couldn't find the term "Legal Alehouse" in On the Manners and Customs of the Ancient Irish by Eugene O'Curry, but he does describe what must be either that or something very similar attributed to the Fer Fothlai. I have not heard of "Flaths" or "Fothlai" before - what is the English translation of these words?
[edit: I did find the term in Ian Hornsey's book (page 261) just after he is quoting Joyce and the Senchus Mor where he uses the word dligtech meaning "lawful", "legalized" or "fully certified". The distinction he claims was important because rent could be paid in ale and certified ale were certified to having passed the "three tests" and was worth more. The text goes on to say that St Patrick's household (certainly in our period) had a brewer, a priest called Mescan and that a professional brewer at that time was named using a Latin loan-word: cerbsire (kervshirre) or cervisia (which comes down in Spanish as the word for beer). He also notes that the native Irish term for brewer was scoaire.]
Flath definition
Flath means “noble”
Fer Fothlai literally translated means a “man of withdrawal”.
The Fer Flothlai was a transitional rank between commoner and a “proper” noble.
Under ancient Irish law, a patriarch of a family branch did not instantly become noble just through the acquisition of enough wealth to support and contract clients, that wealth had to be maintained for a few generations. Under normal circumstances, that man’s lineage would have to wait till his grandson to be elevated to nobility.
Mean time, the rank of such a person was considered higher than commoner and recognized by the law. He is called a man of withdrawal because he is “withdrawing” from commoner status into the nobility.
The Senchus Mor is likely the best authority on the subject, however, since all the other works simply quote it, I’m fairly confident in the position of a brewer as it relates to the society.
O’Cury and Joyce while useful, must be examined with a critical eye as they are antiquarians and not modern historians. However, even so, they can be trusted not to misquote the Senchus mor.
Even so, l standby Nerys Patterson’s “Cattlelords and Clansmen: The Social Structure of Early Ireland” very firmly. It is of superior academic quality and utility compared to most everything else available.
And, politically speaking, the clan brewers already feel they have been caused to delay for red tape. Waiting for the perfect academic source for the position of a brewer in ancient society isn’t likely to be very forthcoming. Let them work with this for the time being. If better research comes along things can be adapted accordingly.
To illustrate the pitfalls of O’Curry, he surmises that brewing is a “privilege” of the nobility. This is easily misinterpreted as being denied to the populace which would be patently incorrect. Note he is talking about rent payment here and what sort of domestic goods are payable from a client to his lord.
Once again, brewing was a common domestic skill. The fact that the client would be making malt in the first place should be a tip off here. The laws also speak of client’s rent payment in candles, but one would not assume that because rent is due to a superior in candles that artificial lighting was denied to the commoners.
But what is reasonably supported by way of mention, is the position that professional brewers were attendants to wealthier patrons, in this case either full nobles, or the Fer Folthai, i.e. people wealthy enough to support attendants in an equivalent manner of nobles.
The poem in context
... I just read that poem in full… and a bit of that book.
Its conclusion that only nobles and brughie were “allowed” to brew is ridiculous and the author fell into the exact pitfall that O’Curry set up with his language.
But otherwsie, being able to make ale, does not make one part of the noble class… however:
If a commoner were to gather sufficient wealth to elevate themselves to a bruighe (i.e. public hospitaler) part of the necessary wealth was in fact being able to produce ale. However, the ale was only a portion of the wealth required, the other wealth was the availability of enough food stuffs and a “house” to host within.
A bruighe held a station in society similar to a Fer Folthai. They weren’t considered “true” nobles but were elevated over the status of commoner. Fer Folthai by vitue of having enough wealth to lend cattle and hold clients, Bruighe by way of having wealth enough to host “visiting dignitaries”.
poem
Since the first book was written by the founder of a brewery we might expect an attempt to elevate the status of brewing. I did a little reading on O'Curry, and while he hails from a time when histories were fraught with nationalistic bias, he seems to have been well respected and especially for his translations! The Catholic Encycopedia write up on O'Curry suggests as much. O'Curry does say that it "appears" that brewing was the privilege of the Flaths and he quotes
from the Crith Gablach, vol. 2 p. 490, which is perhaps the most famous tract of ancient Irish laws, however in the copy I found online I don't see any such mention of ales or brewing? [edit: I don't see it in the one I quote in the reply to this post either!]
The poem has not been put into any context for me. It seems only to describe the various ales of Ireland and says you can't be the king unless you drink one specific type. It makes no mention of the brewer be they noble, flath, or commoner.
Críth Gablach
I'd be interested in your thoughts on this site. It appears to contain the entirety of the Críth Gablach and it is much bigger than I thought. This is supposedly a translation by Neil McLeod (who might be this gentleman).
http://members.iinet.net.au/~draoidh/treubh/crith/index.htm
[edit: I see now as Aonghus points out below that it is only notes on the translations of the text, but the layman (including myself here!) can get a fairly good sense of the content of the text using it]
Crith
I don’t know if you chopped the link and took note of the other “offerings” on that web site...
But… in any case, the page you pointed me to seems like notes from a newsgroup list that were collected.
Reguardless, look at what is said at the very beginning:
That’s the book of mine that Fiachra has out on loan.
But there is no mention as to the date these notes were created and weather the author of this had access to “Cattle lords and Clansmen”, which I will assume he didn’t since Cattle Lords was written after the Kelly book, and in fact references it.
But, as for Neil McLoud, he wrote a book on early Irish contract law I considered getting but is in a queue of desirability several books back.
On the subject of Celtic Scholars, I will point you to this:
http://www.celt.dias.ie/english/
Click on the link for staff and scholars, and you will see our pal Fergus Kelley is one of the senior professors.
Click on “Scholarships” and we see that Neill MacLeod received one back in 1983-5 and this jibes with his resume posted on his website… so yeah... same guy, and he doesn’t just reference Kelley, he was an actual student of Kelley.
These guys tend to be a bit “incestuous”, as there really aren’t too many Celtic scholars around. Though, Nerys Patterson is a product of Harvard’s Celtic studies program I believe.
For further note:
DIAS has an index of stuff on Celtic linguistics.
On a whim, I looked up the word “ól”. Those sources say the word meant “ale” but in modern Irish usage, I know the word to mean simply “drink”. (turns out after consulting a dictionary, its both, and used in similar manner to the English word “drink” as in if used by itself, it connotes alcohol, but can also be used as “a drink of water”.
Anyway, it yielded this entry:
McLeod (Neil): The ól: standard drinks in medieval Irish law.
In AusCeltJ 5 (1996–1997) pp. 5–8.
Which is an article in “Australian Celtic journal 5 (1996–1997)”
And at second look... the dude has the article listed on his web page. Which is I assume how you found him? Or was it just on Crith?
Poking around… I found this:
http://sydney.edu.au/arts/religion/index.php?page=celtic
They want 10 bucks (australian) for a back issue. The bastards didn’t make it available online.
I don’t know that it’s worth getting because it may just spew the info that was already available via Joyce.
Could always write to the guy and see if he will send you his article via email.
Kelly's Guide
I just ordered my copy of Kelly's A Guide to Early Irish Law. Found one used and supposedly in good shape for $45!
[update 100825: received and am reading. Quite good so far, though most of the beginning of the book concerning social hierarchy is quoting David Binchey's earlier work. Quick glance through I don't see any specific mention of "brewers" though I do note that harpists are the only type of musician that can claim to be "nemed"]
Cáin Aicillne
Following up on this last post, it appears that Kelly's Early Irish Law does mention brewing in Chapter 10 and it provides some more leads for further investigation:
Cáin Aicillne is "The Law of Base Clientship" and is supposedly pretty well intact. The concept of clientship is described well in Kelly's book, but a nice description can also be found here. This book appears to be given complete in the Ancient Laws of Ireland, the Senchus Mór, pt. II (click the snippet below)
libraryireland.com (Books Ulster in County Down, IE) has a nice history of the Senchus Mór here. The original text may have been composed in our period, and through successive copying and commentary (glosses) in smaller typeface in-between the lines of the larger more ancient writing it survived into medieval times and is only made sensible to us today through many lifetimes of study by historians.
While a "Guild" for brewing is not specifically mentioned, it is clear that the production and quality of food and ale produced for the Chieftain (or other nobles) by their clients (tenants) was regulated by law, and that Lawful ale could only be called such if it was made according to certain strictures. Understanding (and enumerating) these ancient regulations (as Aonghus began above) would indeed seem the logical first step when discussing the chartering of a Brewing Guild.
Kelly's footnote gives some more references Corpus Iuris Hibernis ed. D.A. Binchy, Dublin 1978, a German title entitled Zeitschrift für celtische Philologie, Halle, Tübingen 1897 (1923 ed), D.A. Binchy's Brewing in Eighth-century Ireland (doesn't that sound relevant?) which seems to be an essay found in Studies on Early Ireland:essays in honour of M.V. Duignan ed, B.G. Scott (Belfast 1981)
Guilds
Although I have been following this discussion, I was hanging back until what I feel is a key point could be illuminated further. Are guilds appropriate to begin with; how far back do they date? Since my academic resources on this topic are limited I asked at livinghistory.ie where it turned out that one of it's members was tackling the topic of the guild history in Dublin totally independent of my question.
Here's the short version of what he posted.
- If you define a guild as an association/fraternity for teaching, and sharing ideas then he feels this predates 1190CE though he found no direct evidence.
- After 1190CE the Anglo-Norman settlers set up medieval style guilds in Dublin complete with charters, member rolls, tax breaks, and other privileges. (It is interesting to note that all guild names listed, with one exception, are strictly Anglo-Norman).
- Differentiated Irish craft guilds (like the Anglo-Norman ones) don't appear until the mid-late 15th Century.
So, from this info it would seem that craft guilds are just starting to be introduced to Ireland (by the Anglo-Normans) but at the very end of TdB's time range. And they also seem stay a largely Anglo-Norman concept until the late 15th C.
Guilds
Well, that question opens a pretty big can of worms.
And the best answer I can render is “not quite, but…”.
If you think of a guild in terms of the Hanseatic League, then no, not really and your pal in the living history thingy is probably correct.
We use the term guild rather loosely and for lack of a better.
Given the clan structure and Brehon law, we know that certain professions were elevated in status. We know there were grades of craftsmen. We know that these grades were subject to approval by a governing body, which included the chief and those already deemed to be masters of their craft.
Under the clan system, trades and status were typically hereditary however with a degree of social mobility allowed for by good fortune or circumstance. Some clan names were renowned for the trades they practiced and hereditarily supplied certain members to a king’s retinue based on such reputation.
Within the clan structure came the practice of fosterage, and it is primarily though this vehicle that the knowledge of a particular trade was passed on to a younger generation not directly related to a master of craft.
As a group of modern people in a re-enactment club, we would be hard pressed to produce enough offspring and would be waiting a long time for the program to bear fruit if we wanted to be that historically accurate.
Now if we were doing a demonstration, or making a movie, we might play act or roll play out such a scenario, but… the thing of it is, as a modern club of hobbyists, we are forced to take some creative license to get things done.
Take our ranks and the institution of honor price for instance. We know that the society we try to represent was stratified, yet given the strong hereditary component of it, we have to fabricate an alternate means of representing it, as no one was born into the system.
The institutions of rank and honor price were adapted as sort of a reward and incentive system to get modern people to work towards a more medieval atmosphere and recognize their efforts.
The philosophy behind having our guilds is sort of the same. If a group of people get together and work on projects that enhance our atmosphere, there is a degree of formalized recognition that goes along with it.
In many respects, it’s taking the historic institution and fusing it with the functions necessary to operate a modern club, so at least the mundane components of running our club are heavily flavored with historic inspiration.
Pretty much in the same way that at events, our chieftain is our chieftain, but outside of events, he is our executive officer with mundane responsibility for running the club as well.
Please ignore the man behind the curtain.