Johann Adam Strack, a farmer, and his wife Elisabeth settled in the Volga German colony of Pfeifer on 22 August 1767. They are recorded there on the 1767 census in Household No. 67 along with Johannes Herrmann (age 10), orphaned son of Christian Herrmann. The 1767 census does not record a relationship between the Strack and Herrmann families.
In 1790, Johann Adam Strack (the son) moved from Pfeifer to Preuss. Adam Strack (the son) and his family are recorded on the 1798 census of Preuss in Household No. Ps46.
Adam Strack (the father) and his family are recorded on the 1798 census of Pfeifer in Household No. Pf22.
The 1834 census of Graf records in Household No. 74 that Johannes Strack moved from Pfeifer to Graf in 1832.
The 1767 census records that Johann Adam Strack came from the German region of Hannover.
- 1834 Graf Census (Household No. 74).
- 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): Pf22, Ps46, Mv2253.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Nordost-Institut, 2005): 393.