E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Jacqùes Bonhomme.
A sort of fairy good-luck, who is to redress all wrongs, and make all the poor wealthy. The French peasants are so called sometimes, and then the phrase is like our term of sneering pity, my good fellow, or my fine fellow. (See JACQUES.)