Curtin Family History
Curtin Surname Meaning
Irish: shortened Anglicized form of Gaelic Mac Cruitín ‘son of Cruitín’ a byname for a hunchback (see McCurtain).
English (of Norman origin): from a diminutive of Old French curt ‘short’. Compare Court.
Possibly also French: variant of Courtin a derivative of Court.
It is very rare in France.
Source: Dictionary of American Family Names 2nd edition, 2022