The gallagher Surname
gallagher Name Meaning and History
Irish: reduced Anglicized form of Gaelic Ó Gallchobhair
‘descendant of Gallchobhar’, a personal name from the elements
gall ‘strange’, ‘foreign’ + cabhair ‘help’,
‘support’.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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