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Irish Script On Screen (www.isos.dias.ie)
@dias-isos.bsky.social
Irish Script on Screen is a project of the School of Celtic Studies, Dublin Institute for Advanced Studies. Aims to create digital images of Irish manuscripts.
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The manuscript of the week is RIA MS 23 P 16, Leabhar Breac. Written in Irish by Murchadh Riabach Ó Cuindlis, at Cluain Lethan and Lothra (Lorrha) in Múscraige Tíre, in north Co. Tipperary, it is the largest Irish vellum manuscript by one scribe.
November 17, 2025 at 9:32 AM
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And also a huge thanks to @dias-isos.bsky.social for making it happen!

Really looking forward to discussing these manuscripts at @anzamems.bsky.social Conference in just three short weeks!
1/4📜 New on ISOS: RIA MS 24 B 1, a Táin Bó Cuailnge manuscript by Peadar Ó Longáin. Digitised with @dias.ie @ria.ie & @unimelb.bsky.social for @anzamems.bsky.social ANZAMEMS 2025. Thanks to Sarah Corrigan @corrigans.bsky.social for underscoring its importance to Irish scribal tradition and the Táin.
November 12, 2025 at 4:05 AM
1/4📜 New on ISOS: RIA MS 24 B 1, a Táin Bó Cuailnge manuscript by Peadar Ó Longáin. Digitised with @dias.ie @ria.ie & @unimelb.bsky.social for @anzamems.bsky.social ANZAMEMS 2025. Thanks to Sarah Corrigan @corrigans.bsky.social for underscoring its importance to Irish scribal tradition and the Táin.
November 11, 2025 at 10:14 AM
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Read more about the Lebor na hUidre, view the digital images (provided by @dias-isos.bsky.social and copyright Royal Irish Academy Library) and explore the recordings and publications that were produced in 2012 at conference about the manuscript: www.ria.ie/collections/...
Lebor na hUidre / The Book of the Dun Cow - Royal Irish Academy
RIA MS 23 E 25 (Cat. No. 1229) Before A.D. 1106
www.ria.ie
November 3, 2025 at 9:29 AM
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The manuscript is of Connacht provenance and from the names of places mentioned, likely written in Co. Roscommon.

Read more about the Liber Flavus Fergusiorum and view the digital images, provided by @dias-isos.bsky.social and copyright Royal Irish Academy Library: www.ria.ie/collections/...
Liber Flavus Fergusiorum - Royal Irish Academy
RIA MS 23 O 48a, MS 23 O 48b (Cat. No. 476) A.D. 1437, A.D. 1440
www.ria.ie
October 27, 2025 at 8:55 AM
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Duais eile ag Seán Ó Hoireabhárd de bharr a leabhair, The Medieval Irish Kings and the English Invasion. Comhghairdeachas leis!
Another prize goes to Seán Ó Hoireabhárd for his book, The Medieval Irish Kings and the English Invasion. Congratulations to him!
@hoireabhard.bsky.social
@dias.ie
🎉 @hoireabhard.bsky.social has been awarded the 2025 @nuimerrionsq.bsky.social Publication Prize in Irish History, for his book The Medieval Irish Kings and the English Invasion. Congratulations, Seán!

Learn more about the book here ⬇️
bit.ly/MedievalIris...
October 24, 2025 at 8:11 PM
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Reposted by Irish Script On Screen (www.isos.dias.ie)
Papers from the @ria.ie @ceilteachomn.bsky.social @scs-dias.bsky.social conference on the Book of Lecan, which took place last week, are now available to listen to on SoundCloud. Enjoy!
#MedievalSky
#SpéirGhorm

www.ria.ie/audio/the-bo...
The Book of Lecan Conference - Royal Irish Academy
During this two-day event in October 2025, speakers explored the production of the Book of Lecan or Leabhar Mór Lecain, its scribes and patrons, and the texts contained within the manuscript.
www.ria.ie
October 9, 2025 at 4:33 PM
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Tar chuig an léacht seo le Viktoriia, 4 Samhain
Come to hear Viktoriia on 4 November
#DIASdiscovers
www.eventbrite.ie/e/medieval-m...
Medieval Murder Mysteries: Homicide in Early Irish Law
Dr Viktoriia Krivoshchekova from DIAS School of Celtic Studies brings us on an intriguing journey as part of Samhain agus Science 2025
www.eventbrite.ie
October 9, 2025 at 2:08 PM
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Viktoriia from @scs-dias.bsky.social will be speaking on this subject as part of DIAS #SamhainAgusScience Full details of our 2025 programme will be revealed in early October so watch this space #DIASdiscovers #DIAS85
How to get away with murder in medieval Ireland. Duinetháide murders, where the killer didn't leave a trace or a body, carry all the intrigue of a classic murder mystery, explains Viktoriia Krivoshchekova @dias.ie www.rte.ie/brainstorm/2...
How to get away with murder in medieval Ireland
Duinetháide murders, where the killer didn't leave a trace or a body, carry all the intrigue of a classic murder mystery
www.rte.ie
September 29, 2025 at 1:52 PM
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Seimineáir an fhómhair - Autumn seminars
5pm DIAS

Barry Lewis: Early Welsh poems: Llym awel & Claf Abercuawg (Luan/Mon.)

Fergus Kelly: Dicta Cuirirán muiceda `The sayings of Cuirirán the swineherd', an Old Irish wisdom text (Céad./Wed.)

Fáilte roimh chách! All welcome.

@dias.ie
#DIASdiscovers
September 30, 2025 at 9:32 AM
📜✨ 1/2 New on ISOS: Private collection, Lincoln MS 1.
Beatha Dhéagláin; Páis ár dTiarna; Ábhar Spioradálta
19th-c devotional manuscript (58pp) by Siomon Ó Faoláin, written for Mártan Ó Driscóil. Includes the Life of St Declan of Ardmore, the Passion of Our Lord, & spiritual texts.
@dias.ie
October 2, 2025 at 8:33 AM
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It is the subject of a two-day conference taking place this week in RIA, in collaboration with @maynoothuniversity.ie and the @dias-isos.bsky.social Read more and view the digital images, provided by Irish Script on Screen and copyright Royal Irish Academy Library: www.ria.ie/collections/...
September 29, 2025 at 8:09 AM
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The Manuscript of the Week is RIA MS 23 P 2, Leabhar Mór Leacain/the Great Book of Lecan. Compiled in A.D. 1397-1418, it contains a large amount of genealogical material, as well as historical, biblical and hagiographical material.
September 29, 2025 at 8:05 AM
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Our CEO & Registrar Dr. Eucharia Meehan spoke to journalist Sean Duke @sciencespinning.bsky.social last month, about 85 years of DIAS, and our plans for the future. Check out the article in today's @irishtimes.com or the link below #DIASdiscovers #DIAS85

www.irishtimes.com/science/2025...
Dublin Institute for Advanced Studies at 85: from Schrödinger’s catalyst to the final frontier
The institute has been a unique fixture in Ireland, and now, with space central to its future, the sky is no limit
www.irishtimes.com
September 25, 2025 at 3:48 PM
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The manuscript of the week is RIA MS 23 P 6, the Annals of the Four Masters. The Annals are a chronicle of Irish history from A.M. 2242 to A.D. 1616, compiled between A.D. 1632-1636 by a Franciscan brother and three laymen, now known as the Four Masters.
September 22, 2025 at 8:13 AM
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Great to see more of our Gaelic manuscripts from St. Colman’s College Cork fully digitised and available for viewing online! Thanks Anne-Marie! ✨
1/3📜✨ New on ISOS: from the Russell Library, Maynooth,
CF 11 & CF 16, both 19th-c copies of Leabhar Gabhála.
Rich mytho-historical texts, with links back to Leabhar Droma Sneachta & earlier sources.

Thanks to
@mulibrary.bsky.social @dias.ie
MU Special Collections & Lámhscríbhinní Choláiste Cholmáin
August 26, 2025 at 1:42 PM
1/3📜✨ New on ISOS: from the Russell Library, Maynooth,
CF 11 & CF 16, both 19th-c copies of Leabhar Gabhála.
Rich mytho-historical texts, with links back to Leabhar Droma Sneachta & earlier sources.

Thanks to
@mulibrary.bsky.social @dias.ie
MU Special Collections & Lámhscríbhinní Choláiste Cholmáin
August 26, 2025 at 1:29 PM
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Delighted to be taking part in #HeritageWeek2025 this year with the launch of our publication 'Ogham Stones of County Mayo' by Mayo County Council Heritage Office on Wednesday evening!
@heritagecouncil.ie
@mayocountycouncil.bsky.social
Launch of 'Ogham Stones of County Mayo' Booklet | National Heritage Week 16th – 24th August 2025
Join us for the Heritage Week launch of the 'Ogham Stones of County Mayo'. This richly illustrated booklet features information on the 12 recorded ogham stones ...
www.heritageweek.ie
August 17, 2025 at 2:06 PM
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The Manuscript of the Week is RIA MS 23 E 29, The Book of Fermoy.

@dias-isos.bsky.social

www.ria.ie/collections/manuscripts/irish-language-manuscripts/book-of-fermoy/
July 21, 2025 at 3:35 PM
1/3 📜✨ Two new manuscripts from Russell Library, Maynooth, now on ISOS:
CF 13 & CF 14, both by 19th-c scribe Seosamh Ó Longáin.
Religious + mythological texts, with elegant script & decorated initials.

Thanks to @mulibrary.bsky.social MU Special Collections & Lámhscríbhinní Choláiste Cholmáin.
July 7, 2025 at 2:23 PM
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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...
July 7, 2025 at 11:55 AM
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July 7, 2025 at 9:01 AM
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The manuscript of the week is Lebor na hUidre (RIA MS 23 E 25).

The Manuscript of the Week is on display in the Reading Room of the Library this week from 10.00 a.m. - 4.30 p.m. Monday - Friday. No appointment or reader’s ticket is required.

www.ria.ie/collections/...
June 24, 2025 at 11:04 AM
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🚨 NEW podcast episode! Dr Seán Ó Hoireabhárd @hoireabhard.bsky.social‬, formerly an O’Donovan scholar (now @ceilteachomn.bsky.social‬) discusses his book ‘Medieval Irish Kings and the English Invasion’ (@livunipress.bsky.social‬). 🎧 YouTube, Spotify, Apple Podcasts & www.dias.ie/series/ni-ha...
June 27, 2025 at 7:45 AM