Janos Family History
Janos Name Meaning
Hungarian (János): from the personal name János from Latin Johannes (see John ). Slovak (Jánoš also Janoš) Czech (Janoš also Jánoš) and Polish: derivative of the personal name Jan (Slovak Ján) ‘John’ or in some cases from a Slavicized form of the Hungarian cognate János (see above). In North America this surname may also be an altered form of the Polish variant Janosz.
Source: Dictionary of American Family Names 2nd edition, 2022