Mac Shamhráin, Ailbhe

Artrí (d. 821), son of Cathal and overking of Munster, belonged to the Éoganacht Glendamnach dynasty of north Co. Cork. His father is generally identified as Cathal (qv) son of Finguine, a very important and able king of Munster (721–42),…

Asgall (Askulf; Hasculf) (d. 1171), son of Ragnall and ruler of Dublin, belonged to the Hiberno-Scandinavian line of Torcall (Thorkell), which had emerged to rule Dublin in the person of Thorkell, grandfather of Asgall, following the failure of…

Attracht (Adrochta, Attracta) (7th century?), saint in the Irish tradition and founder and first abbess of Cell Sáile, was according to the genealogies of the saints a daughter of Tigernach (probably to be identifed with Tigernach son of Muiredach, an early representative of the…

Augaire (d. 1024), son of Dúnlaing and overking of Leinster, belonged to the Uí Muiredaig lineage of the Uí Dúnlainge dynasty. During the reign of his father Dúnlaing (qv) (d. 1014), king of Uí Muiredaig and briefly overking of the province…

Báetán (d. 581), son of Cairell and overking of Ulaid, belonged to the Dál Fiatach dynasty. His father Cairell, allegedly a son of Muiredach Muinderg, is included in the Ulster king-lists. His mother, according to genealogical tradition, was Cummíne daughter of Furudrán. He had a…

Báetán (d. 572), son of Muirchertach and putatively king of Tara, belonged to the Cenél nÉogain dynasty. The genealogies represent him as a son of Muirchertach/Mac Ercae (qv) and as a brother of Domnall and Forggus, who are…

Báetán (d. 586), son of Ninnid and putatively king of Tara, belonged to the Cenél Conaill dynasty. His father, Ninnid son of Duí, was an early representative of the lineage of Cenél Duach. He had at least two brothers: Eochaid, who was slain by the Cianachta, and Feradach,…

Báetán (d. 664) of the moccu Chormaic, abbot of Clonmacnoise, belonged to a prominent line of Conmaicne Mara. He became ninth abbot (653) in succession to Áedlug son of Camán, and held office into the twelfth year, which was quite a long period in power given that candidates…

Barid (Bárith, Bar∂r) (d. 881), Norse king of Dublin, was (although his origin is uncertain) possibly a son of Ímar (qv) (d. 873), and was certainly among the allies of Amlaíb Find (Olaf the White). According to the Irish annals, Barid had…

Barry, Philip of (fl. 1169–77), Anglo-Norman adventurer, belonged to the same family group as the Geraldines and the FitzHenrys. His mother, Angharad, was a daughter of the famous Nesta, while his father was William de Barri, lord of Manorbier, in Pembrokeshire. Philip had at…

Bécc Bairrche (d. 718), son of Blathmac and overking of Ulaid, belonged to the Dál Fiatach dynasty. One of the seven sons of Blathmac (qv) son of Máel-Cobo, who had died (670) as overking of Ulaid, Bécc owed his sobriquet to the district of…

Becga (7th cent.), anchoress and reputed foundress of Hartlepool, Northumbria, is of obscure origins, but she is thought to have been attached to a Leinster dynasty. Settling as an anchoress in Cumberland, where she is known as ‘St Bee’, she established an ascetic community on…

Berchán (6th cent.?), founder and first abbot of Cluain Sasta (Clonsast, Co. Offaly) and saint in the Irish tradition, appears to be at the centre of an extensive network of interlocking cults. The genealogies represent him as the son of Muiredach son of Daig and of Fiamain daughter…

Bermingham, Peter (d. 1308), lord of Tethmoy and Dunmore, was a son of James de Bermingham and the grandson of Peter de Bermingham (qv) (d. 1254). This second Peter, who features in the record from 1283, when he…

Bermingham, Peter (Piers, Feoras) de (d. 1254), lord of Tethmoy, Dunmore, and Tireragh, was perhaps a son of Robert de Bermingham, who about 1172 was granted lands in Offaly by Strongbow (qv) (Richard fitz…

Bicknor, Alexander (d. 1349), archbishop of Dublin and administrator, was apparently of undistinguished English parentage. A graduate of Oxford university, Bicknor (whose name derives from Bicknor in Gloucestershire) arrived in Ireland in 1302 as clerk and attorney to a landed…

Bicsech (6th cent.?), foundress of Kilbixy, probably belonged to a Leinster lineage, although her genealogy does not survive. It was at the convent of Bicsech, the Latin Life of Fintan (qv) (Munnu) claims, that the saint of Taghmon…

Blacair (Blakkr) (d. 948), king of Dublin, was son of Gofraid and belonged to the Norse-Hebridean dynasty that claimed descent from Ímar (qv) (d. 873). He had at least two brothers, …

Blathmac (d. 665), son of Áed Sláine (qv) and king of Tara, was an early representative of the Uí Néill dynasty of Síl nÁedo Sláine. His father, who also reigned as king of Tara, was slain in 604. According to the genealogies, Blathmac had…

Blathmac (d. 670), son of Máel-Cobo and overking of Ulaid, belonged to the Dál Fiatach dynasty. He was one of four brothers, among whom was Óengus, ancestor of the rulers of Leth Cathail (Lecale, east Co. Down). Blathmac had seven sons, the most distinguished of whom was…

Bran (d. 838), son of Fáelán and overking of Leinster 835–8, was a member of the Uí Dúnlainge dynasty. He belonged in fact to the lineage of Uí Dúnchada, which had probably by this time established its base at Liamain (Newcastle Lyons, on the boundary of counties Kildare and Dublin…

Bran Ardchenn (d. 795), son of Muiredach and overking of Leinster, belonged to the Uí Dúnlainge dynasty. His father Muiredach (reigned 738–60) was a strong ruler whose descendants through Bran (whose sobriquet may be rendered as ‘high head’) later formed the dynastic lineage of…

Bran (Bróen) (d. 1052), son of Máel-mórda and overking of Leinster 1016–18, belonged to the Uí Fháeláin lineage of the Uí Dúnlainge dynasty. His father Máel-mórda (qv), who had held the overkingship of Leinster, was slain in the battle of…

Brandub (d. c.605/8), son of Eochu and overking of Leinster, belonged to the dynasty of Uí Chennselaig, which in the late sixth to early seventh century contested supremacy in Leinster with the Uí Máil dynasty. Little seems to be known about his father Eochu; he may…

Braose, Philip de (fl. 1172–77), Anglo-Norman adventurer, was the son of Philip de Braose, lord of Bramber in Sussex. As a younger son of his father, and so not in line to inherit the extensive family estates in Sussex and the Welsh marches, Philip chose to come to Ireland…