O'Byrne, Emmett

MacMurrough, Muircheartach (c.1495–1547), Gaelic warlord, was probably eldest of the six sons of Art Buidhe Kavanagh (d. 1517), king of Leinster. After the death of Art Buidhe at the friary of Enniscorthy (25 November 1517), Muircheartach apparently became leader of his…

MacMurrough, Muircheartach Óg (1516–86), son of Cathaoir Kavanagh (d. 1526), leader of the MacMurrough Kavanagh branch of Sliocht Muircheartaigh Óig based at Garryhill, Co. Carlow, was the third of five brothers. His family had strong connections with the earls of Kildare, having…

This is a co-subject for the entry on MacMurrough (Mac Murchadha), Domhnall Riabhach. View the original entry.

MacMurrough, Murchadh (c.1510–1557), Gaelic warlord, was probably the third son of Muiris MacMurrough (d. 1530), king of Leinster, and became MacMurrough leader after the death of Cathaoir mac Airt…

This is a co-subject for the entry on Maguire (Mág Uidhir), Ruaidhrí. View the original entry.

Maguire, Conor (1616–45), 2nd baron of Enniskillen , was son of Sir Brian Maguire (qv); his mother was an O'Neill. His father ensured that the family was integrated socially within the new planter order. Conor married Mary, daughter of Thomas Fleming of…

This is a co-subject for the entry on Maguire (Mág Uidir), Donn Óc (‘Donn Carrach’). View the original entry.

Maguire (Mág Uidhir), Pilib (Philip) (d. 1394), king of Fir Manach, eldest son of Aodh Ruadh Maguire (qv), king of Fir Manach, was a distinguished warrior and patron of poets whose fame was well known throughout Ireland and Scotland. Nothing is known of his…

Maguire (Mág Uidhir), Ruaidhrí (d. 1338), king of Fir Manach, was son of Flaithbertach Maguire (qv), king of Fir Manach. As with his father, little is known of Ruaidhrí's early life or even his reign (1327–38). His obit in the Four Masters describes him as …

Maguire (Mág Uidhir), Tomás Óg (1394–1480), king of Fir Manach, was eldest son of Tomás Mór Maguire (qv), king of Fir Manach. Shortly after his accession Tomás attacked and wasted much of Cavan in 1431, and in the same year he renewed his father's alliance with…

Maguire (Mág Uidir), Donn Óc (‘Donn Carrach’) (d. 1302) was the first Maguire of any note. The family does not emerge into the light of history till his appearance in 1264, and then from a very murky background indeed. His parentage is obscure, but his father may also have been called…

This is a co-subject for the entry on Maguire (Mág Uidhir), Pilib (Philip). View the original entry.

Mandeville, Henry de (d. 1337), seneschal of the earldom of Ulster, was a leading member of a powerful family of vassals of the de Burgh earls of Ulster. Another Henry de Mandeville (d. 1272) had been seneschal in 1270, and Thomas de Mandeville occupied the office at the time that…

This is a co-subject for the entry on O'Connor Faly (Ó Conchobair Failge), Muircheartach Óg. View the original entry.

This is a co-subject for the entry on O'Brien (Ó Briain), Donnchad Cairprech. View the original entry.

This is a co-subject for the entry on O'Brien (Ó Briain), Tadhg an Chomhaid. View the original entry.

This is a co-subject for the entry on O'Brien (Ó Briain), Toirrdelbach. View the original entry.

This is a co-subject for the entry on O'Brien (Ó Briain), Donnchad Cairprech. View the original entry.

O'Brien (Ó Briain), Brian Bán (d. 1350), lord of Thomond, was second son of Domnall son of Brian Ruaid O'Brien (qv). A powerful warlord he played an important role in Irish politics between 1320 and 1350. He first comes…

O'Brien (Ó Briain), Brian Ruad (d. 1277), son of Conchobar O'Brien (qv), king of Thomond, ruled Thomond during an intensely turbulent period of its history. He succeeded after his father's death at the hands of his kinsmen in…

O'Brien (Ó Briain), Brian Sreamach (d. 1399), lord of Thomond, was eldest of seven sons of Mathghamhain Maonmhagh O'Brien, lord of Thomond, and Una O'Connor. Nothing is known of his early life; but after his father's deposition of Diarmaid O'Brien as lord of Thomond in 1360,…

O'Brien (Ó Briain), Conchobar (d. 1268), king of Thomond, was son of Donnchad Cairprech O'Brien (qv), king of Thomond, and Sadb, daughter of Donnchad O'Kennedy (Ó Cennéidig). This somewhat hesitant king ruled over…

O'Brien (Ó Briain), Conchobhar (d. 1539), lord of Thomond, was eldest son of Toirdhealbhach Donn O'Brien (qv) (d. 1528), lord of Thomond, and Raghnailt, daughter of Seaán MacNamara. Nothing is known of his early…

O'Brien (Ó Briain), Donnchad Cairprech (d. 1242), king of Thomond, was one of nine sons of Domnall Mór Ua Briain (qv), king of Thomond, and Orlaith, daughter of…

O'Brien (Ó Briain), Mathghamhain Dall (d. 1448 ), king of Thomond, was probably second son of Brian Sreamach O'Brien (qv), king of Thomond, and Sláine, daughter of Lochlainn Láidir MacNamara. Nothing is recorded of…