The story
- Proto-Celtic · derived from*yowdos
- Breton · derived fromIodoc
- Old French · derived fromJosse
- English todayJoyce
Medieval (Middle English) given name from Old French Josse, name of a seventh century saint Latinized as Iodocus, from Breton Iodoc, diminutive of iudh (“lord”), from Proto-Celtic *yowdos.
Etymology from Wiktionary, CC BY-SA 4.0.