Family name origins & meanings
- Italian (especially frequent in Tuscany) : from the Germanic personal name Tozo (a pet form of a personal name based on the root dod-).
- Italian (especially frequent in Tuscany) : from the personal name Tozzo, a reduced form of Albertozzo, Robertozzo, or other pet names with the diminutive suffix -ozzo.
- Italian (especially frequent in Tuscany) : nickname from tozzo ‘squat’, ‘dumpy’.