Kaspar Eurich and his family are recorded on the 1798 census of Reinwald in Households No. Rw01, Rw17, and Rw42.
The death of Kaspar Eurich in 1805 recorded on the 1811 census of Reinwald in Household No. 17.
Johann Martin Eurich, son of Kaspar Eurich, is recorded on the 1811 census of Reinwald in Household No. 17 along with a note that he relocated to the colony of Rosenheim.
- 1811 Reinwald Census (Household No. 17).
- 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): Rw01, Rw17, Rw42.