Uaithne Mág Samhradháin
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Uaithne Mág Samhradháin (anglicised Owny McGovern) was chief of the McGovern Clan and Baron or Lord of Tullyhaw barony, County Cavan from 1540 until his death.
His ancestry was Uaithne son of Maghnus (d. 1497) son of Tomás Óg (d. 1494) son of Tomás na Feasoige (d. 1458) son of Fearghal (d. 1393) son of Tomás (d. 1343) son of Brian ‘Breaghach’ Mág Samhradháin (d. 1298).[1] He was a younger son and his older brother Tomás Mág Samhradháin, the Fourth was chief of the clan from 1512–1532.