The Old Danish nickname Malti could be related to it, as a short form of the Germanic names beginning with Madal-.
*Madalgari- belongs to a large family of Germanic given names beginning with Madal- we find in Latin documents dating back the Merovingians and the reign of Charlemagne : Madalgaudus, Madalcarius, Madalgis, Madalberta, Madalgudis.
[5] Archbishop Mauger of Rouen in the eleventh century, had a half-brother Robert I, Duke of Normandy who was the father of William the Conqueror.
The first recorded modern spelling of the family name is shown to be that of John Mauger, which was dated 1250, in the Feet of Fines of Somerset, during the reign of Henry III of England, known as "The Frenchman".
There and in the rest of the Commonwealth, the name Mauger is usually pronounced "Major", rather than retaining a French pronunciation.