There's a problem with dates and Susannah. Her death record infers that she was born 1809; the Mabry book has 1806. The Mabry book gives her date of marriage as 19 Oct 1819 - this seems too early by several years, perhaps even as much as 10 years. Perhaps there is typo and it should have been 1829.
1850 Census, Floyd Co VA. Susannah was already listed as head of household with the following children: Harrison, age 17, Granville 15, and Itura age 11. Children were listed as born in Floyd Co. She gave her age as 40.
1870 Census. Pine Creek Twp, Carroll Co, VA, Hh 326
In the Death Records of Carroll Co for 1874. Susanna Montgomery, 7 May 1874. Cause: Scrofula. Age 65 years. Parents: Charles & Sally Mabry. born: Grayson Co VA. Widow. Informant: Harrison Montgomery.
It is likely Jesse had an earlier marriage - two of the proposed daughters - a Mary Anne, b. 1820 and Rebecca, b. 1826, could not have been children of Susannah Mabry.
Jesse Montgomery was counted on the Floyd Co VA Personal Property Tax Rolls from 1831 [when the film begins] through 1846. Susannah appears as the widow in 1847. Jesse Montgomery did not count a tithe for himself from 1842 - whether this was an exemption because of age [perhaps over 60] or disability is not known.
Susannah MABRY and Jesse MONTGOMERY had the following children: