Stephen Hornung and his siblings are recorded on the 1798 census of Luzern in Household No. Lz24 [erroneously translated as Horn on the 1798 census of Luzern].
Stephen Hornung and his family are recorded on the 1834 census of Luzern in Household No. 52.
- 1834 Luzern Census (Household No. 52).
- 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): Lz24.