Joos Family History
Joos Surname Meaning
South German and Swiss German: variant of Jost. Dutch: patronymic from the personal name Joos, a short form of the personal name Joseph or, like Joost and Jost, from the personal name Jodocus (see Joyce).
Hungarian: nickname from an archaic spelling of jós ‘fortune teller’.
Source: Dictionary of American Family Names 2nd edition, 2022