For background on how the map was made (and its flaws), see the relevant blog entry.
|Bergin||numerous: Dublin & Midlands. Ir. Ó h-Aimheirgin, Ó Beirgin. A family of Laois still extant in its native territory. Aimheirgin is legendary name meaning "born of song" and belonged to Ireland's first poet.MIF, SGG & GPN|
|Ó Beirgin||Bergin, Berrigan: líonmhar: Lár na Tíre. Féach Ó h-Aimhergín.|
|Ó h-Aimheirgin||Bergin: líonmhar: Uíbh Fhailí, Laois &rl. Géisill is áit dúchais dóibh. Brí: Breith iontach. Tá Berrigan ortha, leis. SI & SGG.|