Bleakley or Blakely. English toponymic origins in Ireland in the 17th Century AD and are now in Co. Antrim, Co. Cavan and Co. Monaghan in the Ulster Province.

Blessing. See Mulvanaughty.

Blevins. Welsh origins in Co. Tyrone in Central Ulster.

O Bligh. A Norse personal name. Irish / Ua Blighe. A Sept / Family branch, who had their territory in the Connacht Province.

Bligh. The English Earl of Darnley who had his Estates in Co. Meath in Northern Leinster.

Blood / ap Lloyd. Welsh origins from Derbyshire in England in 1595 AD into Co. Clare in the north - west of Thomond / Northern Munster by coincidence into the Heberian Dal gCais Ui Bloid (Blood) territory.

Blosse - Lynch. A branch of the Lynches, which see, in Co. Galway in Southern Connacht.

Blowick - Irish / Ua Blathmhaic - blath (fame). A Sept / Family branch, who had their territory in the Connacht Province, sometimes changed to Blake in Co. Mayo in the mid - west of Connacht and Co. Fermanagh in the south - west of the Ulster Province.

Blunden. Landed Gentry who have been in Co. Kilkenny in the south - west of Southern Leinster since the Mid - 17th Century AD.

Blunt / le Blount (the blonde / fair haired).  Anglo Norman origins prominent in the Middle Ages  and later on mainly changed to White.

Boal. Used as a synonym for the Irish - Boyle, which see, in Co. Antrim and Co. Down in the east of the Ulster Province, and also of the English Boles and Bowles, which see.

Boddy. A variant for Baldwin, which see, used in Co. Leitrim in Northern Connacht.

Bodell. See Bothwell.

O Boden - Irish / Ua Buadain. Gaelic Milesian Irian Conmaicne Rein Muinter Eolais Tellach Cearbhallan Sept / Family branch, who were kinsmen to the O Beglin / O Beglan / O Beglain / O Begnal / O Beglane / O Biglane / O Beglen / O Begllin / O Biglan / O Beglyn / Ui Beigleighinn, O Curnin / O Curnan / O Curnen / Ui Cuirnin - Ollamh, O Hallissy / Ui hEolusa, O Mulvey or O Mulveagh / Ua Maoil Mhiadhaigh O Murray / O Morie / O Morra / O Morrie / O Morey / O Mory / O Murry / O Murrie / Ui Muireadhaigh, O Mulhooly / O Mulhooghley / O Mulooley / O Hoogley / Ui Maoil Ghuala, Mac Mullock / Mac Meelick / Mac Moleg / Mac Moolick / Mac Mullicke / Mac Mulock, who had their territory at Mohill and Leitrim in Co. Leitrim in Northern Connacht. Ancestors: Finer, Cumscrach, 37.Ir (Irians).

Boden / Bodun in Co. Kildare in Central Southern Leinster where there is Bodenstown and where it is also used as a variant for Baldwin, which see.

Bodkin. In Co. Antrim in the north - east of the Ulster Province.

O Bogan or O Boggan or O Boghan - Irish / Ua Bogain - bog / soft. A Sept / Family branch, who had their territory in Co. Donegal and Co. Antrim in Northern Ulster and Co. Wexford in the south - east of Southern Leinster.

O Boggy - Irish / Ui Bogaigh, Gaelic Milesian Irian Cruithin Ui Beann Traidhe Sept / Family branch. Especially see O Buggy.

O Bogue - Irish / Ua Buadhaigh - buadhach / victorious.In Co. Cork in Desmond / Des Mhumhain / Southern Munster, known as Bowe in Co. Kilkenny in the south - west of Southern Leinster, and nearby in Co. Waterford in the south - east of Ormond / North Eastern Munster. Bowes and Bowie used in Co. Meath, Co. Westmeath and Co. Louth in Northern Leinster. See also Boyce.

Bogue. Scottish origins in Co. Fermanagh in the south - west of the Ulster Province.

Boix -

O Bohane or O Bohan - Irish / Ua Buadhachain - buadhach / victorious. O Bohan in Co. Leitrim and Co. Galway in the Connacht Province. O Bohane, O Boughan and O Buhan used in Co. Cork in Des Mhumhain / Desmond / Southern Munster, Bohannon in Co. Clare in the north - west of Tuaiscert Mhumhain / Thomond / Northern Munster. See also Bowen.

O Bohannon. Used a a synonym for the O Bohan, which see, in Co. Clare in the north - west of Tuaiscert Mhumhain / Thomond / Northern Munster.

Bohannon. Highland Scottish origins. Used as a synonym for Buchanan, which see,  in the Ulster Province.