Scottish and Irish: Anglicized form of Gaelic Mac Adaim ‘son
of Adam’. In Ireland, it has also been adopted as a surname by
bearers of the names McCadden (in County Armagh) and
McCaw (in County Cavan), as well as by bearers of a number of
unrelated names including Barry (a Norman family in County
Cork).
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
105,539
Historical Documents & Family Trees with Mcadam
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The information for this chart came from the U.S. Immigration Collection at Ancestry.co.uk.
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