Sarah was born about 1820 in South Carolina. Sarah married Jesse Thomas between 1846 and 1850 probably in South Carolina since there is no marriage record recorded in Franklin County, Georgia. They first appeared on the Franklin County census together in 1850. 
↑ Year: 1850; Census Place: District 32, Franklin, Georgia; Roll: M432_70; Page: 252A; Image: 34
Ancestry.com. 1850 United States Federal Census https://www.ancestry.com/interactive/8054/4193239-00034 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2009. Images reproduced by FamilySearch. Original data: Seventh Census of the United States, 1850; (National Archives Microfilm Publication M432, 1009 rolls); Records of the Bureau of the Census, Record Group 29; National Archives, Washington, D.C.