- c. 1740
- Tadhg Ó Neachtain
- 1755
- Aodh Ó Dálaigh
- s. xvii
- Dubhaltach Mac Fhir Bhisigh
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
A copy of parts of the Book of Ballymote, transcribed by Richard Tipper.
- 1728
- Richard Tipper
- s. xviii
- Dermod O'Connor
Miscellaneous.
- c. 1716
- Seán Mac Gabhráin
- s. xiv
- Lúcás Ó Dalláin, Seán mac Torna
- s. xv
- Uilliam Mac an Leagha
- s. xv
- 1479
Composite Irish medical manuscript, with some verse and a tract on cosmology.
- s. xv / s. xvi
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
- 1475
- Tadhg Ó Rigbardáin
Fragment from the Auraicept na n-éces (Abbott) and/or the Irish Grammatical Tracts (Gwynn).
- ?
Manuscript fragment containing a copy of Immacallam in dá thúarad.
- s. xv?
- s. xv?
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