[Johann] Heinrich Kasimirow, a craftsman (Handwerker), and his wife Anna Katharina are recorded on the 1767 census of Grimm in Household No. 30.
Johann Heinrich Kasimirow, his wife Anna Katharina, and children (Anna Sililla, age 3; Heinrich August, age 1½) are recorded on an appendix to the 1775 census of Grimm (No. 4).
The 1767 census records that Heinrich Kasimirow came from the German region of Warschau.
This surname does not appear to continue among the Volga German colonies.
- 1775 Grimm Census (Appendix Household No. 4).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 77.