Släkthistoria för Geis
Geis Vad efternamn betyder
German: from the personal name Giso a short form of any of various ancient Germanic personal names beginning with Gis- such as Giselbrecht Giselher (see Gieseler). Compare Gise Guice and Guyse. Probably also an altered form of German Geiss or Gies.
Källa: Dictionary of American Family Names 2nd edition, 2022
