Poster Family History
Poster Name 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