Dumont Family History
Dumont Surname Meaning
French and Walloon: topographic name for someone ‘from the mountain’ from (Old) French mont ‘mountain’ (see Mont) with fused preposition and definite article du ‘from the’;
or a habitational name for someone from Le Mont, the name of several places in various parts of France and in Belgium (Wallonia).
Source: Dictionary of American Family Names 2nd edition, 2022