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
Keller (surname) Keller (surname) Keller is a surname with several origins. The Irish version, which is the most ancient in origin, comes from the Gaelic surname Ó Ceilechair. In modern German Keller means cellar or basement, but historically it designates a cellarer or winemaker. A Latinized form of "Keller" is "Cellarius". Keller is an Anglicized version of the Old Irish surname Ó Céilechair (meaning descendant of Céilechair). Céilechair was descended from Cennétig mac Lorcáin King of the Dál gCais in modern-day Clare. Cennétig mac Lorcáin was the ancestor and progenitor of the Keller family, and also of the Kennedys and O'Briens of