Gender Masculine Usage Ancient Greek (Latinized), Dutch Scripts Θεόδωρος(Ancient Greek) Pronounced Pron. /teː.joː.ˈdoː.rʏs/(Dutch) Meaning & History Latinized form of the Greek name Theodoros (see Theodore). As a Dutch name, it is used on birth certificates though a vernacular form such as Theodoor is typically used in daily life.