Petitjean Family History
Petitjean Name Meaning
French: from a compound of Old French petit ‘small’ + the personal name Jean (see John ) hence a nickname for a small man called Jean (or an ironic nickname for a large man) or a distinguishing epithet for the younger of two bearers of the same name. Compare Pettyjohn .
Source: Dictionary of American Family Names 2nd edition, 2022