Meaning of name Jocosa. Etymology : Medieval variant of JOYCE, influenced by the Latin word iocosus or jocosus "merry, playful". Saint : Origin : Medieval English.
In English the meaning of the name Joyce is: Cheerful. Merry. From the name of 7th-century hermit St Judoc (St Judocus or St Josse), who was the son of a Breton king. In medieval England, this name was given to children of either gender, although it is now used solely as a feminine name.
