Johann Christian Eckardt, a baker (Bäcker), and his wife Christina are recorded on the 1767 census of Katharinenstadt in Household No. 159. They had settled there on 23 July 1767.
Christian Eckardt and his family are recorded on the 1798 census of Katharinenstadt in Household No. Ka045.
The 1767 census records that Johann Christian Eckardt came from the German village of Halberstadt in the Brandenburg region.
- 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): Ka045.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 309.