Dufault Family History
Dufault Name Meaning
French:: habitational name with fused preposition and definite article du ‘from the’ derived from du Faou and denoting someone from Châteauneuf-du-Faou a place in Finistère Brittany. variant of Dufau . The surname Dufault in any of the possible senses (see also 1 above) is virtually non-existing in France.
Source: Dictionary of American Family Names 2nd edition, 2022