MO
Mor O'Mulloy
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About
Mor O'Mulloy, daughter of Gilla-Brighid O'Mulloy, lord of Fircall in the midlands, married Teige O'Brien - a son of Brian Boru himself. Her marriage stands one generation from the high king of Clontarf, and every rung of this family's O'Brien descent passes through her.
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 Gilla-Brighid O'Mulloy, Lord of Fircall, King's Co. (note-only); wife of Teige; mother of Turlogh Mor. Direct ancestress. Added 23 Jul 2026.