Murchad mac Diarmata

Murchad mac Diarmata (English: Murrough MacDermot) (died 1070) was a late eleventh-century ruler of the kingdoms of Leinster, Dublin, and the Isles. He was a member of the Uí Chennselaig, and a son of Diarmait mac Máel na mBó, King of Leinster (died 1072). Murchad had three sons: Domnall (died 1075), Donnchad (died 1115), and Énna. He is the eponymous founder of the Meic Murchada, a branch of the Uí Chennselaig who adopted the surname Mac Murchada (MacMurrough, MacMorrow, Morrow).

Murchadh, son of Diarmaid, son of Mael-na-mbo, lord of the foreigners and of Leinster, under his father, died at Ath-cliath, precisely on Sunday, the festival of Mary, in winter. It was in lamentation of him the poet composed these quatrains:

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