MacCarthy Mór, Donal
MacCarthy Mór, Donal (d. 1596), 26th MacCarthy Mór and 1st earl of Clancare , Gaelic lord, was second but eldest surviving son of Domhnall MacCarthy Mór (qv), 25th MacCarthy Mór. Nothing is known of his…...
MacCarthy Reagh, Florence (Finian, Finghín)
MacCarthy Reagh, Florence (Finian, Finghín) (c.1562–c.1640), Gaelic chieftain and scholar, was born probably at Kilbrittan castle, eldest son of Sir Donough MacCarthy Reagh (d. 1576). His mother was a Geraldine, being the sister of Maurice of Desmond and the aunt…...
MacDonnell, Alasdair (Alexander) MacColla
MacDonnell, Alasdair (Alexander) MacColla (d. 1647), Gaelic lord, was the third son of Coll MacGillespie and (most probably) Mary, daughter of Ranald MacJames of Smerby: both parents were MacDonnells, but the use of fixed hereditary surnames was not normal practice in Gaelic…...
MacDonnell (Nic Dhomhnaill), Fiona (Fionnghuala) (‘Iníon Dubh’)
MacDonnell (Nic Dhomhnaill), Fiona (Fionnghuala) (‘Iníon Dubh’) (d. 1611?), lady of Tír Conaill (Tyrconnell), was daughter of James MacDonnell (qv), lord of the Western Isles of Scotland, and his wife Lady…...
MacDonnell, Sir James MacSorley
MacDonnell, Sir James MacSorley (d. 1601), Gaelic chieftain, was the third son of Sorley Boy MacDonnell (qv) and Mary O'Neill, daughter of Con O'Neill (qv), 1st earl of…...
MacDonnell, Sir Randal mac Sorley
MacDonnell, Sir Randal mac Sorley (d. 1636), Gaelic lord and 1st earl of Antrim , was fourth son of Sorley Boy MacDonnell (qv) and as such was born into a resilient dynastic offshoot (known as the MacDonnells) of the…...
O'Byrne, Aodh
O'Byrne, Aodh (c.1520–1579), lord of Crioch Raghnuill, was the eldest son of Seán O'Byrne (qv), lord of Crioch Raghnuill, and his wife, Doireann O'Byrne. After the collapse of the Kildare hegemony in 1535,…...
O’Byrne, Aodh
O’Byrne, Aodh (c.1596–p.1652), soldier, was the second son of Phelim O'Byrne (qv) (d. 1631), lord of Crioch Raghnuill, and Una O'Toole (d. 1628), daughter of Fiach O'Toole (qv…...
O'Byrne, Brian
O'Byrne, Brian (1593–1653), lord of Crioch Raghnuill, was the eldest son of Feilim O'Byrne (qv) (d. 1631), lord of Crioch Raghnuill, and Una O'Toole (d. 1628), daughter of Fiach O'Toole (qv) (d…...
O'Byrne, Feilim
O'Byrne, Feilim (d. 1631), lord of Críoch Raghnuill, was second son of Fiach MacHugh O'Byrne (qv), lord of Críoch Raghnuill and leader of Gaelic Leinster, and Sadhbh, daughter of…...
O'Byrne, Fiach MacHugh
O'Byrne, Fiach MacHugh (c.1544–1597), lord of Crioch Raghnuill and leader of Gaelic Leinster, was eldest son of Aodh O'Byrne (qv) (d. 1579), lord of Crioch Raghnuill, and his first wife Sadhbh, daughter of Feilim O'Byrne of…...
O'Cahan, Sir Donnell Ballach
O'Cahan, Sir Donnell Ballach (d. 1617?), Gaelic chieftain, was the eldest son of Rory O'Cahan, ruler of a territory corresponding approximately to Co. Londonderry. His holdings have been described as a rich and populous land, and the O'Cahan was accounted the most powerful of the…...
O'Connor Don, An Calbhach (Charles)
O'Connor Don, An Calbhach (Charles) (1584–c.1655), head of the O'Connor Don dynasty, was eldest son of Sir Aodh O'Connor Don and his wife Mary, daughter of Brian na Murtha O'Rourke of Breifne. He was a prominent leader of the Irish nobility of Connacht during the first…...
O'Connor Sligo, Donough
This is a co-subject for the entry on O'Connor Sligo, Sir Donal (Domhnall). View the original entry....
O'Connor Sligo, Sir Donal (Domhnall)
O'Connor Sligo, Sir Donal (Domhnall) (d. 1588), lord of the O'Connor Sligo, was the second son of Tadhg, lord of the O'Connor Sligo. After Tadhg's death in 1552, Rory Mac Phelim O'Connor Sligo became the new lord, but Donal disputed the succession and a bitter civil war…...
O'Conor Don, Hugh
O'Conor Don, Hugh (d. 1669), was the son of An Calbhach O'Connor Don (qv) of Ballintober Co. Roscommon, and his wife Mary, daughter of Sir …...
O'Doherty (Ó Dochartaigh), Cahir
O'Doherty (Ó Dochartaigh), Cahir (1587–1608), lord of Inishowen, was born in Co. Donegal, the eldest son of Seán Óg O'Doherty, lord of Inishowen (1582–1601), and grandson of Seán O'Doherty, lord of Inishowen (d. 1582). He had two younger brothers, Seán and Rury, and a half-brother…...
O'Donnell, Caffar
O'Donnell, Caffar (d. 1608), prominent member of O'Donnell family, was the son of Aodh mac Maghnusa O'Donnell (qv) (d. 1600), lord of Tír Chonaill from 1566 to 1592, and his wife,…...
O'Donnell, Hugh McHugh Dubh (Aodh Ó Domhnaill)
O'Donnell, Hugh McHugh Dubh (Aodh Ó Domhnaill) (c.1537–1618), nobleman and bardic poet, was born in Co. Donegal, the youngest son of Aodh Dubh O'Donnell (qv), lord of Tír Conaill (d. 1537). His mother may…...
O'Donnell, Manus (Ó Domhnaill, Maghnas)
O'Donnell, Manus (Ó Domhnaill, Maghnas) (d. 1563), lord of Tír Conaill, was born in Co. Donegal, the eldest son of Aodh Dubh O'Donnell (qv), lord of Tír Conaill. His mother is unknown. He had thirteen half-brothers…...
O'Donnell (Ó Domhnall), Ruaidhrí
O'Donnell (Ó Domhnall), Ruaidhrí (1575–1608), 1st earl of Tyrconnell , was second son of Sir Aodh O'Donnell (qv), lord of Tír Conaill, and his wife…...
O'Donnell, ‘Red’ Hugh (Ó Domhnaill, Aodh Ruadh)
O'Donnell, ‘Red’ Hugh (Ó Domhnaill, Aodh Ruadh) (c.1572–1602), Gaelic lord, was the eldest son of Sir Hugh O'Donnell (qv) and…...
O'Donnell, Sir Niall Garvach
O'Donnell, Sir Niall Garvach (1569–1626), Gaelic chieftain and royalist, was the son of Con, who was the head of the Clann-Dalaigh branch of the O'Donnells based in east Donegal, and his wife Rose, daughter of Shane O'Neill (qv).…...
O'Driscoll, Dermot (Diarmuid)
O'Driscoll, Dermot (Diarmuid) (d. a.1621), Gaelic-Irish leader during the Nine Years War, was a younger son of Cornelius O'Driscoll, lord of Castlehaven, and Joan O'Mahon. By 1601, when the Spanish forces under Don Juan del…...
Ó Gadhra (O'Gara), Fearghal
Ó Gadhra (O'Gara), Fearghal (c.1597–p.1660), lord of Coolavin, patron of the Annals of the Four Masters, was the son of Tadhg, son of Oillill, lord of Coolavin, which was located in south Co. Sligo. In the late sixteenth century a number of Palesmen acquired…...