Mccoskey Family History
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Mccoskey Name Meaning
Possibly an altered form of Irish McAskie, an Anglicized form of Gaelic Mac Ascaidh, a patronymic from a diminutive of an Old Norse name, possibly Ascall, Asketil; or an Anglicized form of Mac Coscraich ‘son of Coscrach’ (see Cosgrove).
Source: Dictionary of American Family Names ©2013, Oxford University Press