MM
Murchad mac Brain Mut
Vitals
Died
727
Family
Parents
Children
About
Murchad mac Brain Mut was King of Leinster and died in 727. In 722 he routed the High King, Fergal mac Maele Duin, at the battle of Allen, one of the celebrated Leinster victories of the period.
Research notes
✓ DOCUMENTED (Source: the Uí Fáeláin / Uí Dúnlainge royal genealogy of Leinster, attested in the Irish Annals and the medieval tracts (Book of Leinster; Rawlinson B502 - Genelach h-Úa n-Dúnlainge); supplied 23 Jul 2026.): MURCHAD MAC BRAIN MUT, KING OF LEINSTER; d. 727 - famously ROUTED THE HIGH KING FERGAL MAC MAELE DUIN at the BATTLE OF ALLEN (Almu), 722. Father of Faelan the eponym. Direct ancestor. Added 23 Jul 2026.