Poster Family History
Poster Surname Meaning
East German: habitational name for someone from any of various places called Post, Posta, or Postau. Germanized form of Sorbian Póstar: nickname for a person who regularly fasted from a derivative of póst ‘fast(ing)’.
Jewish (Ashkenazic): occupational name for a mailman from German Post ‘mail’ + the agent suffix -er.
English: perhaps a variant of Poston, earlier Posterne, with loss of final -n.
Source: Dictionary of American Family Names 2nd edition, 2022
