Johann Adam Thomä, a farmer, and his family settled in the Volga German colony of Pfeifer on 22 August 1767. They are recorded there on the 1767 census in Household No. 71.
The families of Johannes & Peter Thomä from Pfeifer are recorded on the 1857 census of Josefstal.
The 1767 census records that Johann Adam Domme came from the German village of Lohr am Main.
Most descendants of this family use the surname of Dome or Domme in North and South America.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Pf75.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Der Göttinger Arbeitskreis, 2005): 394.