The mccullough Surname
mccullough Name Meaning and History
Irish (especially Ulster): Anglicized form of the Gaelic surname
Mac Cú Uladh, a patronymic from Cú Uladh ‘hound of
Ulster’. Compare McNally, which is from Mac Con Uladh,
genitive form of the same name. It has sometimes been erroneously
associated with Gaelic cullach ‘wild boar’, and some families
in County Sligo have translated it into English as Boar.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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