Pozniak Family History
Pozniak Name Meaning
Polish (Późniak) Jewish (from Poland and Belarus; also Późniak) and Belorussian: nickname from a noun derivative of Polish późny Belorussian pozni ‘late’. This was sometimes used for a person who habitually turned up late but was more generally a nickname for someone who was born some days later than expected or someone who was born when his parents were already rather old.
Source: Dictionary of American Family Names 2nd edition, 2022