Brian O'Brien of Ara

~ Brian O'Brien, son of Donal (O'Hart gen. 115); 'settled in Ara, in the county of Tipperary' - founder of the Mac-I-Brien-Ara lords of Arra; m. the da. of Henry de Burgo. Source: John O'Hart, Irish Pedigrees (5th ed. 1892), 'O'Brien (No.6) - Of Ara, in the County of Tipperary', gen. nos. as cited (Library Ireland transcription, read 28 Oct 2026); O'Hart's own authority is the MS 'Mac Ui-Brien Ara', Trinity College Dublin H.1.7. ~ throughout: single compiled Gaelic pedigree, not checked against the annals rung by rung. [DIRECT ANCESTOR OF THE COMPILER: flag added 28 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]