Deroy Family History
Deroy Name Meaning
French; Walloon (also De Roy): patronymic with (fused) preposition de ‘of’ from Roy ‘king’ or a habitational name for someone from Roy the name of several places in various parts of France and in Belgium (Wallonia). Altered form of French Darois: possibly a habitational name from a place named Darois in Côte-d'Or. Dutch (mainly De Roy): variant mostly Americanized (or archaic) and Flemish of De Rooij a variant of De Roo .
Source: Dictionary of American Family Names 2nd edition, 2022