Posson Family History
Posson Name Meaning
German: possibly a variant of Bason, which is likewise unexplained. French (Walloon): from Walloon posson ‘beer jug’, ‘water jug’, from Old French poçon ‘jar’, ‘jug’, applied as a nickname, metonymic occupational name, or house name.
Source: Dictionary of American Family Names ©2013, Oxford University Press