The origin of the name Quartus is Greek
This is how Quartus is written in Greek:
Κούαρτος = Kouartos
The biblical meaning of the name Quartus is: fourth.
Quartus was a Roman mentioned among the seventy disciples
The name Quartus appears in the bible in the following verses:
Gaius mine host, and of the whole church, saluteth you. Erastus the chamberlain of the city saluteth you, and Quartus a brother.