Mccolley Family History
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Mccolley Name Meaning
Irish: probably a variant of McCullough, or an Anglicized form of Gaelic Mac Duinnshléibhe (see Dunleavy). Seán de Bhulbh notes that there was an Ulster family called Mac Colla, though this was usually Anglicized as Coll.
Source: Dictionary of American Family Names ©2013, Oxford University Press