McAllen (surname) McAllen (surname) McAllen is an Scots Gaelic surname, originating from "MacAllen" in Scotland. Historically, the name has migrated to Ireland, where the prefix of the name has been commonly transposed with "Mc". The first recorded arrivals to Ireland bearing this name came in the 15th century to County Donegal, with the arrival of Gallowglas military families to support the Irish nobility of the north. McAllen is derivative of "Ó h-Ailín" or "Ailin", which in Scottish Gaelic means both "little rock" and "harmony", and with the Mc prefix meaning "son of". Variant spellings include McAlan, McAllan, etc. The surname McAllen has
Orr (surname) name is from a topographical name for a person who lived on a shore, or ridge. This name is derived from the Old English "ora", meaning "shore", "hill-slope", "flat-topped ridge". The name could also be derived from a place-name, derived from this Old English word; for example, the surname "Ore" is derived from Oare, in Berkshire, Kent; and Wiltshire; or Ore, in East Sussex. Padraig Mac Giolla Domhnaigh, suggested that the Irish surname originates from an Anglicisation of Gaelic "Mac Iomhaire". Mac Giolla Domhnaigh stated that this was an old name from Renfrewshire, and a sept of the Campbells; he