Downey Family History
Downey Name Meaning
Irish: reduced Anglicized form of Gaelic Ó Dúnadhaigh ‘descendant of Dúnadhach’, a personal name meaning ‘fortress-holder’ (from dún ‘fortress’, ‘fortified hill’). Irish: reduced Anglicized form of Gaelic Ó Maol Dhomhnaigh, or of Mac Giolla Dhomnaigh (see Maloney). Scottish: habitational name from the Scottish barony of Downie or Duny in the parish of Monikie in Angus (on Tayside), named from Gaelic dùn ‘hill’ + the locative suffix -ach.
Source: Dictionary of American Family Names ©2013, Oxford University Press