Click on the red marker on the map below for a link to the FindMyPast transcript. (Free, registration required).
| Berreen | Very rare: Sligo. Ir. Ó Birín. Variant of Ó Bioráin, Birrane, q.v. |
| Birrane | rare: Limerick, Mayo. Ir. Ó Bioráin. (bior = spike) Has been changed to Byrne and Byron in Munster and Connacht, to some extent. Ir. Ó Bearáin is a synonym. SGG. |
| Ó Bioráin | Birrane: annamh: Luimneach, Maigh Eo. Cuid acu aistrithe go Byrne agus Byron. Deir de Bhulbh gur ionann biorán agus stócach. Féac Ó Bearáin leis. |
Parishes where Birreen and a second surname are both baptised.
This list shows total Birreen Roman Catholic baptisms by county.
Click on the county to see detail.