The identified children of John Mitchell and Sarah Salts are:
Harrison b. 1824 – d. 1 July 1863 as a POW
Unknown female 1 b. 1820-1825
Unknown female 2 b. 1820-1825
Unknown female 3 b. 1825-1830
Unknown female 4 b. 1825-1830
Possible Unknown female 5 b. 1831-1835 
John Jr. b. 1832
Hannah b. 1837
George b. 1838
Sarah b. 1843

1830 - Washington County, Tennessee Census150
MITCHELL, John
1 male 5 and under 10
1 male 20 and under 30

2 females under five
2 females 5 and under 10
1 female 20 and under 30

1840 - Washington County, Tennessee Census151
MITCHEL, John
1 male under five (George)
1 male 5 and under 10 (John)
1 male 15 and under 20 (Harrison)
1 male 40 and under 50 (John)

1 female under 5 (Hannah)
1 female 5 and under 10 (UF4 or possibly UF5)
2 females 10 and under 15 (UF3 + UF4)
1 female 15 and under 20 (UF1 or 2 -one of them has probably married)
1 female 40 and under 50 (Sarah “Sally”)

1850 - Washington County, Tennessee Census (in order as given in the census)152
MITCHELL, John 52 m farmer NC
MITCHELL, John 18 m farmer TN
MITCHELL, Hannah 13 f TN
MITCHELL, Sally 50 f NC [the mother]
MITCHELL, Sarah 7 f TN [b. 1843]
MITCHELL, George 12 m TN

1860 - Washington County, Tennessee Census153
MITCHELL, Sarah 62 [no birth location given, but TN indicated]

1863 – Harrison Mitchell died on 1 July 1863 as a POW

1865 – Sarah Mitchell married Nicholas Reed on 26 May 1864 in Washington County, TN

1870 - Washington County, Tennessee Census154
READ, Nicholas 31 day laborer TN
READ, Sarah 23 keeping house TN
READ, James 4 TN
MITCHELL, Sarah 72 at home TN

1880 - Washington County, Tennessee
Sarah "Sally" Salts Mitchell is not listed on the 1880 census. Her daughter, Sarah Mitchel Read indicated that her parents were born in TN and TN

Marriage License issued 8 Jan 1819, Washington County, Tennessee. Married by William Bayless, JP.