McCormick (surname) the deaths of several prominent MacCormicks of County Fermanagh; the last of these died in 1431. Another possible derivation of the name is that it comes from the gaelic "Mac Cormaic" which comes from "corb" and "mac" meaning "Ravenson". Scottish and Irish patronymic surnames frequently have the prefix Mac or Mc. When these surnames were originally developed, they were formed by adding the Gaelic word, mac, which means son of, to the name of the original bearer's father, or to the father's trade. Patrick C. McCormick 1979-1983 Cobra Gunship Pilot 1/17th 82nd Airborne McCormick (surname) McCormick is a family name
Eolais mac Biobhsach manuscripts going back almost two hundred years. O'Donovan claimed the family name ( "descendent of Eolais") is still found anglicised as "Olus" or "Olis". two instances of the surname corrupted as "Oelase" and "Olase", are found in the Irish Fiants for Leinster. The surname must be very rare. Eolais mac Biobhsach Eolais "mac Biobhsach" (alias " "knowledge", anglicized "Wallis", "Olis" or "Olus" ) was a chieftain of 10th century Gaelic Ireland. He is noted as the first "full chieftain of Conmaicne Réin". His descendants, "the Muintir Eolais", expanded into the territory of present day south county Leitrim, and parts of