Petek Family History
Petek Name Meaning
Slovenian and Croatian: nickname based on Slovenian and dialectal Croatian petek ‘Friday’ denoting a child born on a Friday or an ill-fated person (because Friday was considered unlucky in the Middle Ages) or perhaps derived directly from peti ‘fifth’ denoting a child born as a fifth child.
Source: Dictionary of American Family Names 2nd edition, 2022