DenierFrench, French (Swiss), English, English (British, Rare) from Old French denier originally the name of a copper coin or penny later a term for money in general hence probably an occupational name for a moneyer or minter. It is also found in Switzerland... [more]
GrandjeanFrench, French (Swiss) Derived from French grand meaning "tall, large" and the given name Jean 1, hence possibly a nickname for a tall or large person.
MorandFrench, French (Swiss) from the medieval Latin personal name Maurandus Morandus derived from Maurus "Mauritanian Moor" and the suffix -andus (following the pattern of names formed from a verbal noun such as Amandus) or shortened from Moderandus which appears to be Latin for "he who is (able) to be guided"... [more]
PiagetFrench (Swiss) Of uncertain origin and meaning. This name was borne by Jean Piaget (1896-1980), a Swiss child psychologist noted for his studies of intellectual and cognitive development in children.