- s. xvii
- Dáibhí Ó Bruadair
Irish manuscript of Caithréim Thoirdhealbhaigh, in 3 vols (438 pages), in the hand of Muiris Ó Gormáin; incl. pedigrees and poems relating to the Uí Bhriain.
- s. xviii
- Muiris Ó Gormáin
Manuscript of the Annals of the Four Masters covering the period 2242 BC-1171 AD, in 2 volumes numbering 1023 pages in total. It was written in the mid-1730s for John Fergus by Aodh Ó Maolmhuaidh (Hugh O'Molloy), who worked from the autograph manuscript then in the posession of Charles O'Conor.
- 1734-1735
- Aodh Ó Maolmhuaidh
Manuscript of the Annals of the Four Masters covering the period AD 1335-1608, mainly in the hand of Conaire Ó Cléirigh (Mícheál’s brother).
- s. xvii
- Conaire Ó Cléirigh
Copy (27 ff.) of Sanas Cormaic, written by Dubhaltach Mac Fhir Bhisigh; followed by O'Mulconry's glossary.
- s. xvii
- Dubhaltach Mac Fhir Bhisigh
- c. 1473
- Seanchán mac Maoil Mhuire Ó Maoil Chonaire
Letter written by the antiquarian Tadhg Ó Rodaighe (Tadhg/Thaddaeus O'Roddy) of Crossfield (Co. Leitrim) in 1700.
- 1700
- Tadhg Ó Rodaighe
Irish manuscript compilation of material from Dinnshenchas Érenn, written by the scribe Seaán Ó Cianáin (John O’Keenan) at Ard Choill (Ardkyle, Co. Clare).
- s. xvi
- Seaán Ó Cianán
Manuscript copy of Geoffrey Keating’s Foras feasa ar Éirinn, written by one Maurice O'Connor. This copy includes the synchronisms leading up to the time of Ruaidhrí Ó Conchobhair in the 12th century.
- c. 1700
- Maurice O'Connor [fl. c. 1700]
Transcript, by Eugene O'Curry, of two legal glossaries from TCD 1317.
- 1812
- Eugene O'Curry
A collection of Irish historical poems, in three volumes, transcribed by Muiris Ó Gormáin from Mícheál Ó Cléirigh‘s collections.
- s. xviii3/4
- Muiris Ó Gormáin
Paper manuscript written by Aodh Ó Dálaigh.
- s. xviii1
- Aodh Ó Dálaigh
Manuscript in two volumes written by Muiris Ó Gormáin (Maurice (O')Gorman) containing a copy of Réim ríoghraidhe na hÉireann agus seanchas a naomh (and other genealogies) from a manuscript by Pól Ó Colla. Volume 2 was originally continued by MS 1345 (p. 145ff).
- c.1770
- Muiris Ó Gormáin
Irish manuscript written by Muiris Ó Gormáin, currently volume 2 of TCD 1348, containing a versified list of Irish saints and their pedigrees. It was originally continued by MS 1345 (p. 145ff).
- c.1770
- Muiris Ó Gormáin
18th-century Irish manuscript, in two separately paginated parts, written for the most part by Aodh Ó Dalaigh (c.1745) and containing a collection of historical, legal and religious texts.
- c.1745
- Aodh Ó Dálaigh
O’Flaherty’s Irish grammar, and an Irish glossary.
- 1766
A single paper leaf, previously found in TCD 1337, containing verse by Eoin Ó Gnímh, beg. Fogus fortuin do óige. It has been folded twice, broken in one fold and numbers eight pages.
- s. xvii/xviii?
Irish grammar and prosody, transcribed in 1704 by John O'Sullivan, ostensibly from TCD MS 1431.
- 1704
A collection of Irish (and some English) poetry, dated to February 1703 and written by one James O’Fergusa.
- 1703
Genealogical tables in the hand of Aodh Ó Dálaigh.
- s. xviii
- Aodh Ó Dálaigh
Two paper leaves with a number of Irish poems and attached, presumably by the scribe of these leaves, to the beginning of TCD MS 1381. Like the rest of that manuscript, the poems are written in reverse order of pagination. According to a colophon dated 1698, the writing is the work of Feidhlime Mhág Uidhir (?), who left the manuscript [i.e. MS 1381] to Father Tomás Ó Droma.
- 1698
- Feidhlime Mhág Uidhir
A single leaf inserted into TCD MS 1381 and written in the hand of Aodh Ó Dálaigh.
- s. xviii
- Aodh Ó Dálaigh
Irish paper manuscript of religious tracts and poems, written by Domnall Ó Raghallaigh in (c.)1704.
- s. mdcciv
- Domhnall Ó Raghallaigh [scribe]
Six leaves containing a collection of moral saws (Comhairle Chato) in the hand of Muiris Ó Gormáin.
- s. xviii
- Muiris Ó Gormáin
Oblong-shaped manuscript collection of poems in Irish, written in 1736 by Aodh Ó Dálaigh.
- 1736
- Aodh Ó Dálaigh
