MO
Mor O'Hyne
Vitals
Family
Children
About
Mor O'Hyne was a daughter of the O'Hyne lords of Kilmacduagh in south Galway. She married Turlogh Mor O'Brien, King of Munster, and was mother of Dermod, from whom the Thomond succession runs.
Research notes
✓ (O'Hart, Irish Pedigrees (1892), 'O'Brien (No.1) King of Thomond', gen. nos. as cited; corroborated by the Annals of the Four Masters and by the DC782/R-L226 O'Brien Y-DNA study (which independently numbers this same descent 105 Brian Boru -> 120 Turlogh Donn). Wired 23 Jul 2026.): MOR, dau. of O'Hyne of Kilmacduagh, co. Galway (note-only); wife of Turlogh Mor; mother of Dermod. Direct ancestress. Added 23 Jul 2026.