She married Lemuel Clark (1830 - 1915) about 1853, and they were listed next to her parents in the 1860 census with children William (2) and Lucinda (9 mo). The stayed in Vinton Co, OH and the 1900 census says that 8 of their 13 children were living, although none were at home.
In 1910, they are listed as ages 79 and 73, having been married 57 yrs (1853), with son Harry (32) and wife Bell (29) living with them after 10 yrs of marriage. Both Tabitha and her husband died in 1915.