O'Byrne, Emmett

Bagenal (O'Neill), Mabel (c.1571–95), countess of Tyrone , was born in Newry, sixth daughter and youngest among eleven children of Sir Nicholas Bagenal (qv), marshal of the army in Ireland, and Eleanor Griffith…

Barry, William Maol (c.1293–1373), landholder and dynast, son of David Barry (d. 1347), sheriff of Cork, was the founder of the line of Barry Roe; his sobriquet means ‘the bald’. With his father, he attempted to withstand the MacCarthy pressure upon the Barry lands in west…

Bermingham, Peter (Piers) of Athenry (d. 1309?), Anglo-Irish baron, was the son of Meiler de Bermingham and a member of the important Bermingham family originally settled at Tethmoy, Offaly; he has often been confused with Peter…

Bristol, Ralph of (d. 1232), bishop of Kildare, was a native of Bristol. It is not known when he came to Ireland, but he probably arrived in the train of Henry of London (qv) (d. 1228), who became archbishop of Dublin upon the death…

Charlton, John (d. 1353), lord of Powys, soldier, and administrator, was the son of Robert Charlton of Shropshire (d. 1300). He came into possession of his inheritance in 1306 and in 1307 acted as proxy for the men of Salop in the Carlisle parliament. He was a member of Edward II's…

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 Mac Gilla Mo Cholmóc, Diarmait. View the original entry.

This is a co-subject for the entry on FitzDermot (Mac Gilla Mo Cholmóc), Sir Ralph. View the original entry.

FitzDermot (Mac Gilla Mo Cholmóc), Sir Ralph (c.1225–1291), baron of Rathdown, landowner, son of John fitz John FitzDermot (c.1205–64), and direct descendant of the Mac Gilla Mo Cholmóc, lords of Uí Briúin Chualann, was a prominent figure in the marches of Dublin.…

Fleming, Thomas (d. 1434/5), Lord Slane, Anglo-Irish baron, son of Simon Fleming (d. 1370), baron of Slane, and Cecily, daughter of Thomas Champernoune of Modbury, Devon. When Simon Fleming died on 13 September 1370, his lands were taken into the king's hand, since Thomas was…

Joyce, William (d. 1501), archbishop of Tuam, was the natural son of a priest. He succeeded Walter Blake, formerly canon of Tuam and Annaghdown, as archbishop on 16 May 1485. The papal letters of appointment stated that he was to assume the office ‘notwithstanding the defect in…

This is a co-subject for the entry on MacMurrough Kavanagh, Domhnall. View the original entry.

Luterel, Robert (d. 1246), chancellor of Ireland, was a relative of Sir Geoffrey Luttrell, the favourite minister of King John (qv) and ancestor of the Luttrell family of Dunster castle in Somerset and of the family based at Luttrellstown, Co.…

This is a co-subject for the entry on Mac Carthaig (MacCarthy), Domnall Mór. View the original entry.

Mac Carthaig, Diarmait Mór (d. 1185), king of Desmond, was the product of an unusual union between Cormac Mac Carthaig (qv) (d. 1138) and a lady of the declining Leinster Uí Lorcáin dynasty of Ui Muiredaig; he seems to have been…

Mac Carthaig (MacCarthy), Domnall Mór (d. 1206), king of Desmond, succeeded when his father, Diarmait Mac Carthaig (qv), was murdered on 6 November 1185. After Domnall's inauguration, he captured and executed the murderer…

This is a co-subject for the entry on MacCarthy (Mac Carthaig), Domnall Máel. View the original entry.

This is a co-subject for the entry on MacCarthy (Mac Carthaig), Fingen. View the original entry.

This is a co-subject for the entry on MacCarthy (Mac Carthaigh), Diarmaid an Dúna. View the original entry.

MacCarthy (Mac Carthaig), Domnall Máel (d. 1327), lord of Cairbre (Carbery), was probably the youngest son of Domnall Got MacCarthy (qv), lord of Cairbre, a successful warlord who consolidated and expanded the gains of his father and brothers at the expense of…

MacCarthy (Mac Carthaig), Domnall Ruad (d. 1302), king of Desmond, son of Cormac Finn MacCarthy (d. 1247), king of Desmond, should not be confused with his cousin and contemporary Domnall Ruad, son of Domnall Gall mac Cormaic Óic Liathánaig MacCarthy. Nothing is known of his mother…

MacCarthy (Mac Carthaig), Fingen (d. 1261), king of Desmond, was for the five years before his death the most prominent Irish ruler of Munster. He apparently succeeded his father, Domnall Got Cairprech MacCarthy (d. 1252), as king of Desmond on the latter's death; his mother's name…

MacCarthy (Mac Carthaigh), Diarmaid an Dúna (d. 1473), lord of Cairbre (Carbery), was probably the youngest son of Domhnall Riabhach MacCarthy (qv), lord of Cairbre. Diarmaid (nicknamed ‘of the fortress’) succeeded his brother Donnchadh…

MacCarthy (Mac Carthaigh), Domhnall (d. 1531), lord of Carbery, was eldest son of Finghín MacCarthy (qv), lord of Cairbre, and (probably) Katherine, daughter of Thomas fitz James FitzGerald (qv),…

MacCarthy (Mac Carthaigh), Sir Cormac (c.1525–1583), lord of Muskerry and sheriff of Cork, was second son of Tadhg MacCarthy (d. 1565), lord of Muskerry; nothing is known of his mother. Cormac is first mentioned in 1549, levying black rents on the English of Cork, but for…