Duchateau Family History
Duchateau Name Meaning
French (Duchâteau); Walloon and Flemish (rarely Duchâteau): topographic name with fused French preposition and definite article du ‘from the’ from Old French chastel (French château) ‘castle fortified building’ (see Chateau ) or a habitational name denoting someone from Le Château the name of several places in various parts of France and in Belgium (Wallonia) named with château.
Source: Dictionary of American Family Names 2nd edition, 2022