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Help[Surname] Costello
in reply to a message by Chante
Irish: reduced Anglicized form of Gaelic Mac Oisdealbhaigh ‘son of Oisdealbhach’, a personal name composed of the elements os ‘deer’, ‘fawn’ + dealbhach ‘in the form of’, ‘resembling’.
(Dictionary of American Family Names, Oxford University Press)
www.ancestry.com
(Dictionary of American Family Names, Oxford University Press)
www.ancestry.com
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