Ballentine. Scottish toponymic origins recent arrivals in the Ulster Province.

Ballesty / Bailiste - ballestier (cross bowman). French origins in Co. Westmeath in the south - west of Northern Leinster.

Ballinger. French English origins in Co. Clare in the north - west of Thomond / Northern Munster.

O Ballivan - Irish / Ua Balbhain / stammer. A Sept / Family branch, who had their territory in Co. Tipperary in the north - east of Ormond / Aur Mhumhain / North Eastern Munster.

Balmer. Scottish origins -

Bambury. Northumbrian toponymic origins in Co. Kerry in the south - west of Desmond / Southern Munster and some were the medieval mayors of Limerick nearby in Co. Limerick in the mid - north - west of Thomond / Northern Munster.

Bambrick. Scottish origins from Bambreich?  in Co. Laois in the mid - north - west of Southern Leinster since 1600 AD.

Bane or Bawn - ban / woman. A Sept / Family branch, who had their territory in Co. Clare in the north - west of Thomond / Tuaisceart Mhumhain / Northern Munster and nearby in Co. Galway in Southern Connacht. (N.B: In Irish names, ban is used as a noun for woman, not ban - an adjective for white.)

Banfield or Banville. Used as forms of Bonfield in Co. Wexford in the south - east of Southern Leinster

O Banigan - Irish / Ua Banagain. A Sept / Family branch, who had their territory in Co. Donegal in the north - west of the Ulster Province and nearby in Co. Monaghan in Southern Ulster. Not connected to Banaghan.

Banim. See Bannon in Co. Kilkenny in the south - west of Southern Leinster.

O Bannaghan or O Banaghan - Irish / Ua Beannachain - beannach / beaked. A Sept / Family branch, who had their territory in Co. Sligo in the north - west of the Connacht Province.

O Bannan. A Sept / Family branch, who had their territory in Co. Offaly in the north - west of Southern Leinster and in Co. Mayo  in the mid - west of the Connacht Province where they were Chiefs.

O Bannion - Irish / Ua Banain. A Sept / Family branch, who had their territory in Co. Fermanagh in the south - west of the Ulster Province.

Bannister / banastre / basket. French origins in Ireland in Medieval Times and more so since the 17th Century AD when they were in Co. Carlow in Southern Leinster and nearby in Co. Cork in Desmond / Southern Munster.

O Bannon or O Banane - Irish / Ua Banain. Important Sept / Family branch, who had their territory in Co. Fermanagh in the south - west of the Ulster Province and also in the Heberian kingdom of Iseal Aur Mhumhain / Lower Ormond in Co. Tipperary in the north - east of the Munster Province.

O Bannon or O Banane - Irish / Ua Banain. A Sept / Family branch, who had their territory at Ballybannon on the western side of Loch Mask in Co. Mayo in the mid - west of the Connacht Province.

O Bannon or O Banane - Irish / Ua Banain A Sept / Family branch, who had their territory around Leap Castle / Leim Ui Bhanain near Roscrea in Co. Offaly  in the north - west of Southern Leinster.

St. Barbe. See under - St.

Barbour or Barber / le Barbier. French occupational origins. They have been in Co. Dublin in the north - east of Southern Leinster since the 13th Century AD and are now found mainly in the Ulster Province.

Barclay. English origins. From Berkeley in Gloucestershire together with Barkley they were in the Ulster Province in Ireland during the confiscation of the 3,500,00 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "northern" U Niaill Septs territories there, and the foreign non - Catholic plantations there.

Barley. They were in the Ulster Province and arrived during the confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn  "northern" Ui Niaill Septs territories there, and the foreign non - Catholic plantations there, in the early 17th Century AD.