Parisius

Parisius is a Latinized form of a name indicating origin from Paris. The name 'Paris' itself comes from the Gaulish tribe, the Parisii, who inhabited the area around modern-day Paris. The name Parisii is of uncertain etymology, possibly related to the Celtic word 'par' meaning 'boat' or 'ship', suggesting they were a riverine people.

As a personal name, Parisius would have been used to denote someone from the city of Paris, particularly during the Roman and early medieval periods when Latin was the lingua franca. It served as a geographical identifier, much like surnames derived from place names do today. Its usage as a given name is rare and primarily historical, often found in ecclesiastical records or chronicles referring to individuals associated with the city.