Gero Family History
Gero Name Meaning
Americanized spelling of French Gérald (see Gerald) or Gérou (see Gerou). Hungarian (also Geró or Gero): from the personal name Geró, pet form of Gergely, Hungarian form of Gregory. German: from a short form of a Germanic personal name formed with gar, ger ‘spear’, ‘lance’. Reduced form of any of various Greek distinguishing nicknames beginning with gero- ‘old’, e.g. Gerovassilis ‘old Basil’, Gerocostas ‘the elder Constantine’, etc.
Source: Dictionary of American Family Names ©2013, Oxford University Press