O'Leary, Daniel Florence
O'Leary, Daniel Florence (1801–54), soldier, historian, and diplomat, was born in February 1801 in 89/90 Barrack St., Cork, eighth of ten children of Jeremiah O'Leary, butter merchant, and his wife, Catherine O'Leary (not related), both natives of Cork. In Europe in 1816…...
O'Leary, Jeremiah
This is a co-subject for the entry on Ó Laoghaire, Colm. View the original entry....
O'Moran, James
O'Moran, James (1739–94), general in the French army, was born 1 May 1739 at Elphin, Co. Roscommon, son of a shoemaker. Educated abroad, at the Irish college at Tournai, where his uncle was rector, he joined the French army on 15 November 1752 at the age of 13. A cadet in Dillon's…...
O'More, Brian Riabhach
O'More, Brian Riabhach (c.1570–1598), noble of Leix (Laoighis) and military commander, was a natural son of Rory (Ruaidhrí Óg) O'More (qv) (sl. 1578), lord of Leix, and was the only issue of a relationship…...
O'Neill, Felix
O'Neill, Felix (1720?–95), Jacobite and officer in the Spanish service, was born possibly on 1 November 1720 at Creggan, Co. Armagh, son of Henry and Cáitlín O'Neill. His commission papers give this date of birth but later Spanish records give birth dates of 1712, 1717, and 1718.…...
O'Neill, Hugh
O'Neill, Hugh (c. 1550–1616), 2nd earl of Tyrone , the ‘Great O'Neill’, was second son of Joan Maguire and Matthew Feardorcha O'Neill (qv), who had been designated baron of Dungannon when…...
O'Neill, Hugh (Aodh Dubh Ó Néill)
O'Neill, Hugh (Aodh Dubh Ó Néill) (c.1605–c.1660), officer in the Spanish army, the son of Art Og O'Neill and the nephew of Hugh O'Neill (qv), 2nd earl of Tyrone, was born in exile in the Spanish Netherlands, and like so many…...
O'Neill, Owen Roe (Ó Néill, Eoghan Rua)
O'Neill, Owen Roe (Ó Néill, Eoghan Rua) (c.1580–1649), soldier, was the son of Art O'Neill, brother of Hugh O'Neill (qv), 2nd earl of Tyrone. Art's father, Matthew…...
O'Neill, Sir Neil (Niall)
O'Neill, Sir Neil (Niall) (1657/8–1690), 2nd baronet, Jacobite army officer, was born in December 1657 or January 1658, the eldest son of Henry O'Neill of Shane's Castle, Co. Antrim, elevated to the baronetcy of Killelagh on 23 February 1666, and Eleanor Talbot, sister of Richard…...
O'Neill, Sir Phelim
O'Neill, Sir Phelim (c.1604–1653), soldier and politician, was eldest son of Turlough O'Neill and Catherine, daughter of Turlough MacHenry of the Fews. Phelim inherited lands in Tyrone and Armagh from his grandfather Sir Henry O'Neill, who was killed in action during the…...
O'Reilly, Andrew
O'Reilly, Andrew (1742–1832), general in the Austrian army, was born 3 August 1742 at Ballinlough, Co. Westmeath, youngest among three sons of James O'Reilly, Roman catholic farmer, and Barbara O'Reilly (née Nugent). In 1763 he joined the Imperial army with his brother, James, and…...
O'Reilly, Count Alexander
O'Reilly, Count Alexander (1723–94), Irish general in the Spanish service, was baptised 24 October 1723 at the parish church of Baltrasna, Co. Meath, the eighth son of Thomas O'Reilly (d.1756) of Baltrasna, and his wife Rosa McDowell, originally of Montagh, Co. Roscommon. While he…...
O'Reilly, John Francis
O'Reilly, John Francis (1916–71), Nazi broadcaster and spy, was born 7 August 1916 at Vandeleur Street, Kilrush, Co. Clare, the son of Bernard O'Reilly, an RIC sergeant, and his wife Bridget (née Ronan). His father had arrested Sir…...
O'Reilly, Myles William Patrick
O'Reilly, Myles William Patrick (1825–80), soldier and politician, was born 13 March 1825 in Dublin, only son of William O'Reilly (1792–1844) of Knock Abbey, Co. Louth, MP for Dundalk, and his wife and cousin Margaret Dowell O'Reilly. Myles was educated at St Cuthbert's College,…...
O'Reilly, Philip MacHugh
O'Reilly, Philip MacHugh (1599–c.1664), politician and soldier, was son of Hugh O'Reilly of Ballynacargy, Co. Cavan, one of the ‘deserving’ native Irish of the Ulster plantation, and Katherine MacMahon. Another …...
O'Shaughnessy, William
O'Shaughnessy, William (c.1674–1744), Jacobite soldier, was the only son and heir of Roger O'Shaughnessy, of Gort, Co. Galway (who was not, as is sometimes stated, a baronet), and his wife, Helen, a daughter of Connor O'Brien, 2nd Viscount O'Brien of Clare; the couple…...
O'Sullivan Beare, Domhnall
O'Sullivan Beare, Domhnall (1560–1618), Gaelic lord and soldier, was son of Domhnall Cam O'Sullivan Beare, lord of Beare and Bantry, and Margaret O'Brien, daughter of O'Brien of Thomond. After the murder of Domhnall Cam by the MacGillacuddys (1563), his younger brother Sir Eóghan…...
O'Sullivan Beare, Philip
O'Sullivan Beare, Philip (1590–1636), writer, soldier, and exile, was born on Dursey Island, Co. Cork, one of seventeen children of Johanna McSweeny and Dermot O'Sullivan, a member of the local ruling family. After the Irish defeat at Kinsale, Philip was sent to Spain in February…...
O'Sullivan, Gearóid
O'Sullivan, Gearóid (1891–1948), soldier and politician, was born 28 January 1891 at Coolnagrane, Skibbereen, Co. Cork, fourth son among six sons and three daughters of Michael O'Sullivan, farmer, of Loughine, and Margaret Sullivan (née McCarthy) of Coolnagrane. It is uncertain when the…...
O'Sullivan, Maureen Patricia (‘Paddy’)
O'Sullivan, Maureen Patricia (‘Paddy’) (1918–p. 1950), undercover agent, was born 3 January 1918 in Dublin, daughter of John O'Sullivan, journalist, and his English wife, Adelaide (née Redmond), who died when Maureen was a year old. She briefly attended St Louis' convent…...
O'Sullivan (Sullivan), Sir John William
O'Sullivan (Sullivan), Sir John William (c.1700–p. 1760), Jacobite soldier and companion to Charles Edward Stuart, the Young Pretender, was born in Co. Kerry, one of two sons of Dermot O'Sullivan, described as lord of Dunkerron, and his wife, whose maiden surname…...
Oxburgh, Heward
Oxburgh, Heward (d. 1691), Jacobite soldier and landowner, of Boveen, King's Co., was of unknown parentage but probably a member of a Norfolk gentry family. He, or his parents, perhaps came to Ireland as part of the plantation of King's Co. in the 1620s. He was in any case in the…...
Pakenham, Charles Reginald
Pakenham, Charles Reginald (1821–57), army officer and religious, was born 21 September 1821 at Longford House, 10 Rutland Square (later Parnell Square), Dublin, fourth son of Thomas Pakenham, 2nd earl of Longford, and his wife, Georgiana Emma Charlotte, fifth daughter of William…...
Plunket, Christopher
Plunket, Christopher (d. 1649), 2nd earl of Fingall , catholic confederate, was the eldest son of Lucas Plunket, the first earl, and his second wife, Susanna, daughter of Edward, first Baron Brabazon (qv), who married in 1611.…...
Power, Richard
Power, Richard (c.1630–1690), 1st earl of Tyrone , soldier and politician, was the eldest son (there was also a daughter) of John Power (c.1597–1666), 5th Baron Le Power and Coroghmore, of Curraghmore, Co. Waterford, and his wife, Ruth Power (née Pypho), daughter and…...