Croissant Family History

French: from croissant ‘growing’ present participle of croître ‘to grow’ hence a nickname for a fast-growing young man. French: from the personal name Croissant a vernacular form of Cressent Crescent from the Latin name Crescens from crescens ‘growing’.

This surname in any of the two possible senses (see also 1 above) is also found in Germany.

Breton: topographic name from kroashent ‘crossing’ or a habitational name from any of several minor places in Brittany named Croissant of the same etymology.