Irish: Anglicized form of Gaelic Mac Giolla Chuda, 'son of the servant of (Saint) Chuda', a personal name of unexplained origin. This was the name of a 7th-century abbot-bishop of Rathin in County Westmeath.
Dr. Aloysius McGillicuddy, putative inventor of Fireball Cinnamon Whisky .McGillicuddy.Language(s)EnglishOriginLanguage(s)Irish languageDerivationMac Giolla Chuda [mˠək ˌɟɪl̪ˠə ˈxʊd̪ˠə]Meaning"son of the servant of St. Mochuda"