Deborah Hayden
@dhaydenceltic
Professor of Celtic Studies & Head of the Department of Early Irish at Maynooth University. History of medicine & linguistics; early Irish literature; manuscripts; #Gaeilge
The LEIGHEAS project Irish Medical Manuscript of the Month for August 2026 (brought to you by @siobhbar.bsky.social) is Dublin, @ria.ie MS 23 N 17, containing works on anatomy and uroscopy; medical aphorisms; and this charm for curing epilepsy: 📜📖 leigheas.maynoothuniversity.ie/leigheas-man...
The Irish Medical Manuscript of the Month for July 2026 is London, British Library MS 15403, containing a tract on the properties of 167 ingredients. It's one of several Irish medical MSS recently digitised for the @researchireland.ie LEIGHEAS project! leigheas.maynoothuniversity.ie/leigheas-man...
It’s Open Day @maynoothuniversity.ie today! Francesco Felici and I will be here until 2pm to answer all your questions about the wonderful subject that is Medieval Celtic Studies. Come talk to us! 📚🎓📜
The LEIGHEAS project Irish Medical Manuscript of the Month for June 2026 is Dublin, @ria.ie MS 23 A 4, containing texts on uroscopy copied in the 16th century by Aodh Ó Cendamháin, physician to the O’Flahertys in Co. Mayo: leigheas.maynoothuniversity.ie/leigheas-man...
🎆Job Klaxon!!🎆 Full-time, permanent lectureship in Old and Middle Irish at Maynooth University @maynoothuniversity.ie. Application deadline 26 July 2026. Tar ag obair linn i Roinn na Sean-Ghaeilge @ceilteachomn.bsky.social! my.corehr.com/pls/nuimrecr...
The LEIGHEAS project Irish Medical Manuscript of the Month for May 2026 is Dublin, @nlireland.bsky.social MS G453, written primarily by Cathal Ó Duinnshléibhe in 1592/3 and containing this Irish translation of a popular versified work on health regimen: leigheas.maynoothuniversity.ie/leigheas-man...
An tOllamh Fionntán de Brún ag cur tús le Léachtaí Cholm Cille 2026 in Ambasáid na hÉireann, Páras inniu! www.maynoothuniversity.ie/nua-ghaeilge... @ceilteachomn.bsky.social @maynoothuniversity.ie
The Irish Medical Manuscript of the Month for April 2026 is London, British Library MS Egerton 159, written in 1592 by the Leinster physician Tadhg Mac Caisín and recently digitised for the @researchireland.ie LEIGHEAS project! Read more about it here: leigheas.maynoothuniversity.ie/leigheas-man...
Beannachtaí na Féile Pádraig! The Irish Medical Manuscript of the Month for March 2026 is Dublin, @ria.ie MS 23 O 6, containing texts on uroscopy, poisons & their antidotes, the medicinal virtues of whiskey and these cool marginal drawings of fish: leigheas.maynoothuniversity.ie/leigheas-man...
Just a couple days until our LEIGHEAS project symposium on ‘Medical Learning in the Medieval Gaelic World’, this Thursday 12th March @ceilteachomn.bsky.social! Please get in touch if you’d like to attend – spaces are filling up fast & we want to make sure we have enough chairs & food for everyone 😊
Hugely looking forward to hosting this one-day symposium on 'Medical Learning in the Medieval Gaelic World' as part of the @researchireland.ie LEIGHEAS project @maynoothuniversity.ie - join us @ceilteachomn.bsky.social @muahi.bsky.social on Thursday 12th March!
What the postman brought today: the latest volume of Proceedings of the @ria.ie, with an image from the fascinating 'Minchin Manuscript' on the cover! You can read about this very cool manuscript in an #OpenAccess article by me and @davidstifter.bsky.social here: muse.jhu.edu/article/9742...
For the week that’s in it: the LEIGHEAS project Medical Manuscript of the Month for February 2026 is Edinburgh, National Library of Scotland MS Adv. 72.1.13, containing an Irish translation of Bernard of Gordon’s chapter on lovesickness: leigheas.maynoothuniversity.ie/leigheas-man...
🎇Job Klaxon!!🎇 Assistant Lectureship in Medieval Irish and Celtic Studies at Maynooth University (12-month contract). Application deadline 22 March 2026. Come work with us in the Department of Early Irish @ceilteachomn.bsky.social! my.corehr.com/pls/nuimrecr...
Another year, another series of Irish medical manuscripts! The LEIGHEAS project Manuscript of the Month for January 2026 is Dublin, TCD 1357 (H.4.16), written in Co. Mayo in 1563 and containing several texts on uroscopy: leigheas.maynoothuniversity.ie/leigheas-man...
Ringing in 2026 with another lovely snowfall. Athbhliain faoi shéan agus faoi mhaise daoibh! ❄️🥳
Christmas Eve on the island ☺️ Nollaig shona daoibh go léir! 🎄⭐️
The LEIGHEAS project Irish Medical Manuscript of the Month for December 2025 is TCD MS 1435 (E.3.30), containing Irish versions of works by Petrus de Argellata, Bernard of Gordon & John of Gaddesden, as well as this diagram of the 7 tunics of the eye: leigheas.maynoothuniversity.ie/leigheas-man...
Lovely to see this piece about Benedetta D’Antuono @ceilteachomn.bsky.social, who received the Postgraduate Research Excellence Award for the Faculty of Arts & Humanities @maynoothuniversity.ie this year! It's such a joy to supervise her work 😊 🎉👏 www.maynoothuniversity.ie/graduate-res...
The LEIGHEAS project Irish Medical Manuscript of the Month for November 2025 is Maynooth, @mulibrary.bsky.social MS C110, containing an Irish translation of Arnaldus de Villanova’s Speculum medicinae completed in Rosscarbery, Co. Cork on 15 May 1414: leigheas.maynoothuniversity.ie/leigheas-man...
Huge congratulations to all 4 of our MA in Medieval Irish Studies graduates @maynoothuniversity.ie today! Pictured here w/ Jenna Devanney, who wrote a fantastic thesis on ‘Anatomical Theories, Associated Pathologies & Osteoarchaeological Evidence for Trepanation in Early Ireland’. Well done all 👏🥳🎉
HUGE congratulations to Tiago & Benedetta on these tremendous achievements - we’re so lucky to have such brilliant PhD researchers & excellent people in the Department of Early Irish @maynoothuniversity.ie! 🎉🥳👏 @tiagoovsilva.bsky.social @researchireland.ie
The LEIGHEAS project Irish Medical Manuscript of the Month for October 2025 is Dublin, TCD MS 1323 (H.3.4), containing materia medica, texts on the medicinal virtues of feverfew and whiskey, marginal notes in ogham and this very cool letter ‘H’: leigheas.maynoothuniversity.ie/leigheas-man...
The LEIGHEAS project @ceilteachomn.bsky.social is thrilled to welcome Dr Jo Wolf to our awesome team of Research Affiliates! Jo is the Wrixon Fellow in Early & Medieval Irish at UCC, working on a study of the Justinianic Pandemic in Britain and Ireland: leigheas.maynoothuniversity.ie/leigheas-team/
For the September 2025 LEIGHEAS project Irish Medical Manuscript of the Month, the excellent @siobhbar.bsky.social looks at Dublin, @ria.ie MS 23 P 10 iii, containing a compilation of texts on fevers and many beautiful illuminations. Read more here! 👇📜 leigheas.maynoothuniversity.ie/leigheas-man...
The LEIGHEAS project Irish Medical Manuscript of the Month for August 2025 is Dublin, @ria.ie MS 24 P 15, containing Irish versions of Petrus de Argellata’s surgical text and the works of Bernard of Gordon. Read more here! 👇 📜 leigheas.maynoothuniversity.ie/leigheas-man... @siobhbar.bsky.social
The LEIGHEAS project Irish Medical Manuscript of the Month for July 2025 is Dublin, @ria.ie MS 23 N 29. It consists of 23 paper fragments, one of which is a portion of the sole surviving prosimetrical remedy collection in Irish. Read more here! 👇 leigheas.maynoothuniversity.ie/leigheas-man...
It’s Open Day @maynoothuniversity.ie today - come chat with me & the excellent Truc Ha Nguyen about all the cool things you can do with a degree in Medieval Celtic Studies @ceilteachomn.bsky.social! 📚
The LEIGHEAS project Medical Manuscript of the Month for June 2025 is London, British Library MS Add. 15582, completed in Co. Mayo, Ireland in 1563 & then brought to Scotland. It contains texts on regimen, cautery & this image of a ‘Phlebotomy Man’: leigheas.maynoothuniversity.ie/leigheas-man...