Please include this category to profiles and pages relevant for the Geisinger Name Study which are from the region which is today Germany. Please use the sub region, if available.
Typical name spelling is Geisinger and Geissinger (Geißinger). If you put the category to profiles with different names, please explain it in the research notes of the profile. Please ask for support (Alexandra-Brigitte Scholz), if you have doubts.
If you are researching in Geisinger / Geissinger families, please join the Geisinger Name Study.