August Gelhorn, a craftsman (Handwerker), and his wife Anna Maria are recorded on the 1767 census of Kutter in Household No. 78. They had settled there on 16 August 1767.
In 1788, August Gelhorn and his family moved from Kutter to Straub.
The 1767 census records that August Gelhorn came from the German region of Isenburg.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Sr47, Mv1461.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 2 (Goettingen: Der Göttinger Arbeitskreis; 2001): 495.