McGeachie (mag eacaro), MacGaugh (mag eacada), MacGeagh (mag eacada). McCaughan an Anglicized form of the Old Gaelic MacEachain, son of Eachain. An Ulster surname, recorded in the Counties of Antrim, Down, Londonderry and Tyrone. Some families of Mc Caughen changed their name to MacCaughey, itself an Anglicized form of the Ulster name Mac Eachaidh, son of the Horseman or Horse Lord. The Scots names MacGeachie and MacGeachy are also derived from Mag Eochaidh. McGachy, McGeachy. An anglicized version of the Gaelic 'Mac Eochaidh'. A surname in both Ulster and Scotland. William McGaheye settled in York, Virginia, in 1653, and Alexander McGeachy,
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