Family name origins & meanings
- French and German : from a personal name (Latin Sixtus, a variant of Sextus ‘sixth(-born)’), borne by various saints and popes in the early centuries of the Christian era, and subsequently adopted in their honor.
- French : nickname from Old French six ‘six’ (Latin sex), given for some anecdotal reason now lost; the surnames Deux (‘two’), Huit (‘eight’), and Dix (‘ten’) also exist, but all are rare.