Katharina Elisabeth was 36 at the time of the 1857 census, giving her a calculated birth year of about 1821. The following women named Katharina Elisabeth were born in or around 1821, according to the 1834 census:
Family #6 Katharina Elisabeth Meisner 1820
Family #39 Katharina Elisabeth Strecker 1820
Family #171 Katharina Elisabeth Schneider 1820
Family #43 Katharina Elisabeth Weber 1821
Family #1 Katharina Elisabeth Weber 1821
Family #5 Katharina Elisabeth Leonhardt 1821
Family #56 Katharina Elisabeth Kling 1821
Family #83 Katharina Elisabeth Kriehl 1821
Family #19 Katharina Elisabeth Stehl 1822
Based on proximity, Katharina Elisabeth Strecker, #39, and Katharina Elisabeth Weber, #43, lived the closest to the Hepp family, #33, at the time of the 1834 census. Katharina Elisabeth Weber was born in 1821, while Katharian Elisabeth Strecker was born in 1820.
1857 Census of Grimm in the District of Saratov, Russia, dated 5 November 1857; Translated by Brent Mai, Concordia University, Portland, Oregon; Published by Dynasty Publishing, Beaverton, OR, USA; Published 2005; page 14, family #35, line 505, Katharina Elisabeth Hepp, age 36.
1834 Census of Grimm in the District of Saratov, Russia, dated 2 February 1835; Translated by Brent Mai, Concordia University, Portland, Oregon; Published by Dynasty Publishing, Beaverton, OR, USA; Published 2011; see the family numbers from the list above.