Jeromus / Jerome / Geronimo / Hieronymus

Jeromus is a rare variant of the name Jerome, which derives from the Greek name Hieronymos (Ἱερώνυμος). The Greek components are 'hieros' (ἱερός) meaning 'sacred' and 'onyma' (ὄνυμα) meaning 'name'. The name gained significant prominence through Saint Jerome, a 4th-century priest, confessor, theologian, and historian who is best known for translating the Bible into Latin (the Vulgate). His widespread veneration in the Middle Ages led to the name's adoption across Europe.

The variant 'Jeromus' itself is less common than 'Jerome' and likely represents an older or regionalized form, possibly influenced by Latin grammatical endings or local phonetic shifts. While 'Jerome' has been consistently used, 'Jeromus' has remained a very rare form, often appearing in historical records or specific genealogical contexts rather than widespread contemporary use.