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McLaughlin Family HistoryRecorded in many forms including MacLaughlin, MacLoughlin, McLaughlin and McLauchlin, this is an ancient Irish surname. It derives from a pre 10th century Old Gaelic name borne by two entirely distinct clans. The first was originally called the O' Maoilsheachlann' and in the 17th century assumed the name MacLoughun. The territory of this sept lay in the central plains of Ireland, especially in County Meath. The prefix O' indicates male descendant of, whilst "maol", describes a "tonsured one", a follower of a religious order.
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