Quick answer
Alexius is a boy name with Latinized roots.
Pronunciation: Latin /a.ˈlek.si.us/.
Meaning and history
Latinized form of the Greek name Ἀλέξιος (Alexios), a derivative of Ἄλεξις (see Alexis ). This was the name of five Byzantine emperors. It was also borne by a 5th-century Syrian saint who is especially venerated in the Eastern Church.
Notes and context
Usage: ancient greek | Ancient Greek: Ἀλέξιος