Barton / de Bartun. English toponymic origins. They arrived in Ireland in the 13th Century AD but their most important family was in Straffan in Co Kildare in Central Southern Leinster who arrived later on in 1599 AD.

O Baskin - Irish / Ua Baiscinn. An Irian Sept / Family branch, who were the Chiefs of Corca Baiscinn, who had their territory in the Barony of Moyarta and the Barony of Clonderlaw in the west of Co. Clare in the north - west of Thomond / Northern Munster with their Irian kinsmen the O Donnells, the O Connors, the O Keelys. the O Kellys, the O Loughlins and the O Mulcoras. Ancestor - *37.Ir (Irians).

Basnet or Bassnet / basynet (a type of helmet). They were in Co. Dublin in the north - east of Southern Leinster in the 16th Century AD.

Basquill. May be a variant of the Baskwells / Baskervilles, which see, who were in Co. Mayo in the mid - west of the Connacht Province.

Basset. French origins - basset (of low stature). They have been in Ireland since the 13th Century AD.

Bateman (Descended from a servant of Bartholomew) English origins. They have been in Ireland since 1292 AD and in Co. Cork in Desmond / Southern Munster since the 17th Century AD.

Bates / Bartholomew. English origins. They were in Co. Dublin in the north - east of Southern Leinster and in the north of the Ulster Province from the Mid - 17th Century AD.

De Bathe or Bath. Norman English toponymic origins. They were in the Leinster Province in Mediaeval Times, and later in 1587 AD they built Athcarne Castle at Duleek in Co. Meath in the south - east of Northern Leinster.

Battersby. English toponymic origins. They have been in Co. Monaghan and Co. Fermanagh in Southern Ulster 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 territories there, and the Foreign non - Catholic Plantations there.

Mac Battle - Irish / Mheic Concartha - con / hound or warrior - cath / battle. A Sept / Family branch, who had their territory in Co. Sligo in the north - west of the Connacht Previously, who previously anglicized as Mac Encaha with Mac Concagh also used in Co. Galway in Southern Connacht. No connected to the Anglo - Norman / de la Bataille.

Baxter. Scottish occupational origins. Gaelic Irish / Mheic an Bhacstair - bacstair / baker. A branch of the Clan Mac Millan who settled mostly in the Ulster Province.

Bayne / ban / white. Scottish origins -

O Beakey or O Bakey - Irish / Ua Beice - beice / weeping. A Sept / Family branch, who had their territory in Co. Clare in the north - west of Thomond / Tuaiscert Mhumhan / Northern Munster and they were also in Co. Wicklow in the south - east of Southern Leinster.