''Leabhar Adhamh Ó Cianáin'' or ''The Book of Adhamh Ó Cianáin'', now G 2-3 NLI (

National Library of Ireland The National Library of Ireland (NLI; ga, Leabharlann Náisiúnta na hÉireann) is the Republic of Ireland's national library located in Dublin, in a building designed by Thomas Newenham Deane. The mission of the National Library of Ireland i ...

), is a book written in or about the 1340s by Adhamh Ó Cianáin by and for himself, and out of the book of his teacher,

Seán Mór Ó Dubhagáin Seán Mór Ó Dubhagáin (died 1372 Year 1372 ( MCCCLXXII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. Events January–December * May – Owain Lawgoch makes a second att ...

Kenneth Nicholls Kenneth W. Nicholls, Irish academic and historian, is a widely respected Irish historian. Nicholls came to national and international prominence as the author of ''Gaelic and Gaelicised Ireland in the Middle Ages'', first published in 1972, ...

has suggested that Adhamh wrote the book's

genealogies Genealogy () is the study of families, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kins ...

between 1328 and 1350, which occur in the first half of the manuscript, which also contains the metrical Banshenchas. It is also important as the earliest surviving post-Norman Gaelic genealogy, which Ó Cianáin - as he implies himself - probably derived from Ó Dubhagáin's book. Unusually for a late medieval Irish manuscript, it is illustrated, including human portraits. It is believed to have been part of a movement to revivify Irish culture by antiquarism.

Sources

* ''The Learned Family of Ó Cianáin/Keenan'', by

Nollaig Ó Muraíle Nollaig Ó Muraíle is an Irish scholar. He published an acclaimed edition of Dubhaltach Mac Fhirbhisigh's ''Leabhar na nGenealach'' in 2004. He was admitted to the Royal Irish Academy in 2009. Life and career A native of Knock, County Mayo, Ó ...

, in Clougher Record, pp. 396–402, 2005. {{DEFAULTSORT:Leabhar Adhamh O Cianain Irish manuscripts Irish genealogy Irish-language literature 14th-century documents 1340s works 14th-century manuscripts Medieval genealogies and succession lists Irish books 1340s in Ireland