Information from Ancestry.com - Mauger
English: variant of Major 1.
French: from the same personal name as 1, or from a short form of the personal name Amauger, from a Germanic personal name composed of the elements amal ‘strength’, ‘vigor’ + gar, ger ‘spear’.
South German: dialect variant of Maunker, nickname for a morose person.
Major
English: from the Norman personal name Malg(i)er, Maug(i)er, composed of the Germanic elements madal ‘council’ + gar, geer ‘spear’. The surname is now also established in Ulster.