the Kingdom (O'Donnell), Principality (O'Donnell), JacobiteDukedom (Richard Talbot), four Earldoms (separate Earldoms created for O'Donnell, Fitzwilliam, Talbot, Carpenter, each progressively following the extinction of the previous), Viscountcy (Brownlow); all of these are extinct titles, except the 1st Earldom (O'Donnell), which was attainted in 1614.
the dynastic House of O'Donnell of Tyrconnell, which includes the Chieftaincy and its successors in direct descent from the last inaugurated Chieftain and his predecessors.
the Chieftaincy (O'Donnell) which is also extinct, although a Chief of the Name was recognised by the Chief Herald of Ireland, as the legitimate successor in a putative sequence of Chiefs of the Name, and will default to the Duke of Tetuan in Spain in succession to the current Chief, a Franciscan priest, who has no eligible progeny.
The History of Ireland, by Geoffrey Keating, D.D. (1580–1644), written in the years prior to 1640, and known in the original Gaelic as "Foras Feasa ar Eirinn" (le Seathrun Ceitinn), published by the Irish Texts Society, London, 1914. Volume IV. See index entry for Tír Chonaill
The Life of Hugh Roe O'Donnell, Prince of Tyrconnell (Beatha Aodh Ruadh O Domhnaill) by Lughaidh O'Cleirigh. Edited by Fr. Paul Walsh and Colm Ó Lochlainn. Irish Texts Society, vol. 42. Dublin: Educational Company of Ireland, 1948 (original Gaelic manuscript in the Royal Irish Academy in Dublin).
Annals of the Kingdom of Ireland (Annála Ríoghachta Éireann) by the Four Masters, from the earliest period to the year 1616, compiled during the period 1632–1636 by Brother Michael O’Clery, translated and edited by John O'Donovan in 1856, and re-published in 1998 by De Burca, Dublin.
Vicissitudes of Families, by Sir Bernard Burke, Ulster King of Arms, published by Longman, Green, Longman and Roberts, Paternoster Row, London, 1861. (Chapter on O'Donnells, pages 125–148).
The Fate and Fortunes of the Earls of Tyrone (Hugh O'Neill) and Tyrconnel (Rory O'Donel), their flight from Ireland and death in exile, by the Rev. C. P. Meehan, M.R.I.A., 2nd edition, James Duffy, London, 1870.
Erin's Blood Royal – The Gaelic Noble Dynasties of Ireland, by Peter Berresford Ellis, Constable, London, 1999, (pages 251–258 on the O'Donel, Prince of Tirconnell).
Vanishing Kingdoms – The Irish Chiefs and Their Families, by Walter J. P. Curley (former US Ambassador to Ireland), with foreword by Charles Lysaght, published by The Lilliput Press, Dublin, 2004 [ISBN 1-84351-055-3 & ISBN 1-84351-056-1]. (Chapter on O'Donnell of Tyrconnell, page 59).
A View of the Legal Institutions, Honorary Hereditary Offices, and Feudal Baronies established in Ireland, by William Lynch, Fellow of the Society of Antiquaries, published by Longman, Rees, Orme, Brown, and Green, Paternoster Row, London, 1830 (O'Donnell: page 190, remainder to Earl’s patent).