McCord (surname) Irish name Mac Mhuircheartaigh (septs of MacCurdy, and MacKurdy). Notable people with the surname include: McCord (surname) McCord (also rendered MacCourt, McCourt, McCoard, McCard, and MacCord) is a surname with origins having been found between Ayrshire, Scotland, but mostly in Airgíalla [circa 7th century AD] (modern day Irish counties of Louth, Tyrone, Armagh, and Monaghan. McCord/MacCord comes from Old Gaelic name "Mac Cuarta" or sometimes "Mac Cuairt", translating as "the son of Cuairt", a byname meaning "visitor" or "journeymen"or "son of Achilles" The town of Cappagh, County Tyrone, Northern Ireland in gaelic translates to Ceapach Mhic Cuarta meaning "Mac Cuarta's
Mac and Mc together in print two publications on filing rules, one covering that "word-by-word" convention, and another prepared in 1980 that is "letter-by-letter". A 1998 book attributes the changes to the rules to computer informatics, and notes the Mac/Mc change as its first example. 1982's "Scottish Roots", a guide for family history researchers, warns that older Scottish records do not in fact follow this convention, unlike contemporary telephone directories. A 2001 book of "New York Times" theatre reviews sorts Mc names as if spelled Mac. A 2002 official document for the State of Vermont recommends explicitly no special treatment for Mac and Mc.