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
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.