McKeever, Mac íomhair An Irish and a Scottish surname, derived from Ivarr (a Scandinavian personal name). MacLysaght suggests Mac éimhir a sept of Oriel who were a branch of the Mac Mahons. In 1890 McKeever was principally found in Derry and Antrim, and the estimated number of bearers was 1,520. In the United States Keever is the 9,550th most numerous surname with an estimated 2,750 bearers.
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