Family name origins & meanings
- Americanized form of French Argoud or Argaud (from the Germanic personal name Argwald ‘fierce governor’) or Argoux (from the Germanic personal name Argwulf ‘raging wolf’).
- Irish : probably from Gaelic Mac Giolla Fhearga ‘son of the servant of (Saint) Fearga’. In Ireland this name is found mainly in Co. Cavan and may also appear as McIlhargy (see McHargue).