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,
Gillespie (surname) Gillespie (surname) Gillespie () is both a masculine given name, and a surname in the English language. The given name is an Anglicised form of the Gaelic "Gille Easbaig" (also rendered "Gilleasbaig"), meaning "bishop's servant". The surname "Gillespie" is an Anglicised form of the Scottish Gaelic "Mac Gille Easbuig", and the Irish "Mac Giolla Easpaig", both of which mean "servant of the bishop". The given name itself is derived from a word of Latin origin. Specifically, the Old Irish "epscop" being derived from the Latin "episcopus". An early example of the name in Scotland occurs in a charter dated 1175–1199,