Gast Family History
Gast Name Meaning
German and Jewish (Ashkenazic): nickname for a stranger or newcomer to a community, Middle High German gast ‘foreigner’, ‘guest’, ‘stranger’, German Gast. German and Swiss German: from a short form of a personal name Gastolf, or Alemannic from the personal name Arbogast. French: topographic name for someone who lived on a patch of waste land, Old French gast.
Source: Dictionary of American Family Names ©2013, Oxford University Press