Denes Family History
Denes Name Meaning
Hungarian (Dénes): from the personal name Dénes from Greek Dionysios (see Dennis ). The surname Dénes is also found in Slovakia; compare 2 below. Slovak (Deneš and Déneš) and Romanian (also Deneş): from the Hungarian personal name Dénes ‘Dennis’ or an adaptation of the Hungarian surname Dénes (see 1 above). Jewish (from Hungary; Dénes): adoption of the Hungarian surname in 1 above because it has some sounds in common with the original German-based surname.
Source: Dictionary of American Family Names 2nd edition, 2022