There are four Geier families associated with the colony of Boisroux. Their relationship to each other, if any, needs further research:
(1) Andreas Geier, a tailor (Schneider), and his wife Anna settled in the Volga German colony of Boisroux on 7 June 1767. They are recorded there on the 1767 census in Household No. 34.
(2) In 1783, August Geier and his family moved from Boisroux to Hummel.
The widow and children of August Geier from Boisroux are recorded on the 1798 census of Hummel in Household No. Hm15.
(3) In 1787, Christoph Geier and his family moved from Meinhard to Hummel.
Christoph Geier from Boisroux and his family are recorded on the 1798 census of Hummel in Household No. Hm02.
(4) Elias Geier from Boisroux and his family are recorded onthe 1798 census of Hummel in Household No. Hm18.
The 1767 census records that Andreas Geier came from the German region of Dessau.
- 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): Hm02, Hm15, Hm18, Mv0301.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 147.