Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
MCGUIRE
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
The son of Guaire or Godfrey. Guaire was a son of Alpin, King of Scotland.
Surname type: From name of parent
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic