Where does “São Marcos” come from?

São Marcos (Portuguese) comes from Portuguese Marcos, from Old Portuguese Marcos, from Latin Marcus, from Latin Mars, from Latin Mavors, from Proto-Italic Māwortis.

Ancestry of “São Marcos”, step by step

Step	Language	Word	Meaning
1	Portuguese	Marcos	Mark
2	Old Portuguese	Marcos	—
3	Latin	Marcus	—
4	Latin	Mars	war, battle, conflict
5	Latin	Mavors	—
6	Proto-Italic	Māwortis	—

Every word from Proto-Italic Māwortis →

São Marcos — Etymology, Origin & Word History | Etymology Explorer