O Birn - O Bleahan
O Birn. A Sept / Family branch, who had their territory in
Co. Mayo and Co Roscommon in the mid - west of the Connacht Province. See O Beirne.
O Birrane -
Irish / Ua Biorain - bear / spear. Changed to Byrne, Byron and Burns, which see, in the Connacht Province and the Munster Province. Cognate with Berrane.
Birrell. See Berrill.
Birt. Used as a variant for Britt, which see were in Co. Dublin in the north - east of Southern Leinster in Mediaeval Times.
Birt or Burt or Byrth. Synonyms of Brett, which see.
Birt or Burt or Byrth or Bert. English origins in Co. Derry in the north - east of the Ulster Province since the 18th Century AD.
Bishop - Irish / Mac Giolla Easpaig (Descended from a son of the devotee of the Bishop) Used by the Heremonian Ui Cobhthaigh Dal Cuinn "northern" Ui Niaill Cenel nEogain Septs. Mac Anespie / Mac Anaspie, Mac Espig and Mac Gillespies, who had their territory in Co. Tyrone in Central Southern Ulster. Ancestors: 107.Flaherty / Flaithbertach Ua Niaill the 40th / 42nd King of Ailech, 106.Murtough / Muirchertach, *105.Donnell / Domhnall Ua Niaill the 34 / 37th King of Ailech and 173rd King of Ireland, 101. Murtaugh / Muirchertach - of the Leather Cloaks the 33rd King of Ailech, *103. Niall Glun Dubh (O Neills of Ulster) the 29/30th King of Ailech and 170th King of Ireland, *102.Aed Findliath, *101.Niall Caille the 23rd King of Ailech and 168th King of Ireland, *100.Aed Oirdnide the 21st King of Ailech and 164th King of Ireland, *99.Niall Frossach the 19th King of Ailech and 162nd King of Ireland, *98.Fergal the 17th King of Ailech and 156th King of Ireland - 97.Mael Duin the 14th King of Ailech, 96.Mael Fithrich the 10th King of Ailech, *95. Aed Uardidnach the 8th King of Ailech and 143rd King of Ireland, *94.Donnell Ilchegach the 4th King of Ailech and 134th King of Ireland, *93.Murtaugh / Muirchertach mac Ercae the 3rd King of Ailech and 131st King of Ireland, 92.Murray / Muireadhach the 2nd King of Ailech, 91.Eogan (Cenel nEogain) the 1st King of Ailech, *90.Niall - of the Nine Hostages the 126th King of Tara / Ireland (Ui Niall).
Bisse -
Bissett. Scottish origins. They had their Estates in the Glens of Co. Antrim in the north - east of the Ulster Province, and it was also changed to Mac Keown, which see. Gaelic Irish / Mheic Eoin.
Bixford -
Blacagh. Used as a synonym for Blake, which see, in the
Connacht Province.
Black. Scottish origins. From the Lamonts, Mac Gregors and Mac Leans of Duart who were in the
Ulster Province.
Black /
Dubh. Used as a synonym for Duff and Kilduff, which see.Black. English origins -
Blackall or Blackhall (dweller by the dark nook.) In the Ulster Province, and Co. Limerick in the mid - north - west of Thomond / Northern Munster in the Mid - 17th Century AD, and are now in Co. Limerick and Co. Clare in the north - west of Munster, and Co. Dublin in the north - east of Southern Leinster.
Blackburn or Blackburne. English toponymic origins from Lancashire and have been in Ireland since the 14th Century AD and later, and were Landed Gentry with Estates in Co. Roscommon in the east of the Connacht Province to Co. Donegal in the north - west of the Ulster Province. (They also had a sub - branch in Co. Meath in the south - east of Northern Leinster.) Variants also used including, Blackbyrne.
Blacker / Bhlaicear. Norse origins in Co. Armagh in the south - east of the Ulster Province since the mid - 17th Century AD after the confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "northern" Ui Niaill Septs territories there, and the non - Catholic foreign plantations there.
Blackney. English toponymic origins in Co. Dublin in the north - east of Southern Leinster, and then in Co. Carlow in Southern Leinster since the Mid - 17th Century AD.
Blackwell. English toponymic origins in Co. Clare in the north - west of Thomond / Northern Munster in the 17th Century AD, and later were also among the Oliver Cromwell Adventurers after that particular Invasion.
Blackwood. English origins -
Bladen -
O Bladair. Heberian Dal gCais Ui Bloid Sept / Family branch, who had their original territory in Co. Clare in the north - west of the Munster Province. Ancestors: 92.Blood / Blod (Ui Bloid),91.Cas the King of Thomond (Dal gCais), *37.Eber Fionn (Heberians.)
O Blair. Heberian Dal gCais Ui Bloid Sept / Family branch who had their original territory in Co. Clare in the north - west of the Munster Province. Ancestors: 92.Blood / Blod (Ui Bloid), 91.Cas the King of Thomond (Dal gCais), *37.Eber Fionn (Heberians)
Blair. Scottish territorial name in north of the Ulster Province.
Blake / de Blaca / Le Blaca (the black.) One of the 14 Foreign Tribes of Galway, descended from Richard Caddell the English Sheriff of the Connacht Province in 1303 AD, and had extensive Estates in Co. Galway in the south - west of Connacht where they were English Barons. At Renvyle in Co. Galway is the ruined O Flaherty Castle that they took over, which was later attacked unsuccessfully by Grace O Malley the Pirate Queen, Menlough Castle on the east bank of Loch Corrib in Co. Galway was another of their castles, and they had another at Castlebar in Co. Mayo in the mid - west of Connacht. One of their sub - branches also went to Co. Kildare in Central Southern Leinster where there are 3 town lands known as Blakestown. See also Blowick.
Blakney -
Blancefeld -
Blanchard / Bhlainsear in Co. Dublin in the north - east of Southern Leinster.
Blanchfield. Originally de Blancheville. Norman origins in Co. Kilkenny in the south - west of Southern Leinster since the 13th Century AD.
Blane -
Blaney. From Wales at the end of the 16th Century AD, and were in Co. Monaghan in Southern Ulster where there is Castle Blayney.
Blany -
O Bleahan or O Bleheen - Irish / Ua Blichin. A Sept / Family branch, who had their territory in the east of Co. Galway in Southern Connacht. Synonymous with Melvin, which see.
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