Dumais Family History
Dumais Surname Meaning
Altered form of French Dumay French (northern): topographic name for someone who lived in an isolated dwelling in the country rather than in a village from a regional term for a ‘farmstead’ (compare Mas 1 and Dume).
It is formed with fused preposition and definite article du ‘from the’.
Source: Dictionary of American Family Names 2nd edition, 2022
