Crespin Family History
Crespin Surname Meaning
Spanish (Crespín): variant of Crispin. French: from the Latin personal name Crispinus (see Crispin).
Spanish (Crespín) and Jewish (Sephardic): nickname for a man with curly hair from a diminutive of Spanish crespo ‘curly-haired’ (compare Crespo).
Jewish (Sephardic): Spanish name (see 1 above) adopted at the moment of conversion to Roman Catholicism.
After the return to Judaism (generations later) some descendants retained the name their families used as Catholics.
Source: Dictionary of American Family Names 2nd edition, 2022
