The cosgrove Surname
cosgrove Name Meaning and History
- English: habitational name from Cosgrove in Northamptonshire, named with an Old English personal name Cof + Old English graf ‘grove’, ‘thicket’.
- Irish: surname adopted from English by bearers of the Gaelic name Ó Coscraigh ‘descendant of Coscrach’, a byname meaning ‘victorious’, ‘triumphant’ (from coscur ‘victory’, ‘triumph’).
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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