Grosjean Family History
Grosjean Name Meaning
French and Swiss French: compound name from gros ‘big large’ + the personal name Jean (French form of John ); it may have been applied as a nickname to distinguish between two bearers of the same personal name denoting either the older or the larger or simply to denote an exceptionally large (or small) man. Grosjean is also used in French as a nickname for a stupid fellow. Compare Groshong .
Source: Dictionary of American Family Names 2nd edition, 2022