Mael Macduach (died 920) was King of Uí Fiachrach Aidhne.
Sub anno 920, the Annals of the Four Masters states Mael-micduach, lord of Aidhne, was slain by the foreigners.[1] Aedh, son of Lonan O'Guaire, Tanist of Aidhne, died.[2]
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