Isaac William's Documented / Identified Birth Years...
1850 census - 1832
1860 census - 1821
1870 census - 1822
1872 Claim - 1822
1880 census - 1822
1900 census - 1822

1844 - He is listed in the Washington County, Tax Book 1844-1850 District 15, which was the city of Jonesboro and surrounding area (Jonesboro Courthouse Vault Records)

1847 - He is listed in the Washington County, Tax Book 1844-1850 District 15, which was the city of Jonesboro and surrounding area (Jonesboro Courthouse Vault Records)

1848 - He is listed in the Washington County, Tax Book 1844-1850 District 15, which was the city of Jonesboro and surrounding area (Jonesboro Courthouse Vault Records)

1849 - He is listed in the Washington County, Tax Book 1844-1850 District 15, which was the city of Jonesboro and surrounding area (Jonesboro Courthouse Vault Records)

1850 - He is listed in the Washington County, Tax Book 1844-1850 District 15, which was the city of Jonesboro and surrounding area (Jonesboro Courthouse Vault Records)

1850 - Washington County, Tennessee Census118
SALTS, Isaac 28 blacksmith TN
SALTS, Hannah E. 31 TN
SALTS, John E. 4 TN
SALTS, Thomas E. 1 TN
SALTS, Mary 76 NC

Isaac is living near Daniel Salts. There are two households listed between them.

1860 - Washington County, Census184
SALTS, Isaac W. 39 blacksmith TN
SALTS, Hannah 45 TN
SALTS, John E. 14 TN
SALTS, Thomas E. 12 TN
SALTS, William H. 9 TN
SALTS, Melvin 7 TN
MATTHEWS, John 20 TN
STANTON, James 16 TN

1870 - Washington County, 5th District, Brownsboro Post Office179
SALTS, I.W. 48 M W Blacksmith TN
SALTS, N.L. 47 F W Keeping House N.C.
SALTS, W.H. 18 M W Laborer TN Can not read or write
SALTS, M.C. 15 M W Working on farm TN Can not read or write
SALTS, M.E. (twin) 5 F W TN
SALTS, Edward (twin) 5 M TN
SALTS, Thomas 22 M W Blacksmith TN Can not read or write
SALTS, S.J. 19 F W TN Can not read or write
SALTS, Alex 1 M W TN

Isaac's first wife is still alive and living a few houses down the road with some of the children from their marriage.

1874 - Washington County, Court Minutes - Loose papers from the court house - I. W. Salts was released from Poll tax years 1873 $2.00 and 1874 $2.00 Dist No 2 being over age

1880 - Federal Census for Washington Co., TN185
I. W. Salts 58 TN NC NC
Nancy wife 50 keeping house NC NC NC
Edward 15 son TN TN NC
M.E. 15 f daughter TN TN NC

1891 - Tennessee Census, 1810-91, District 2
SALTS, Isaac - listed as a male voter

1900 - Washington County, Tennessee Census186
SALTS, Isaac head Feb 1822 78 wd TN NC NC Blacksmith
SALTS, Mary E. daughter Jan 1865 35 single 1 child / 1 alive TN TN NC
SALTS, Jennie E. granddaughter Sept 1880 19 single TN TN TN
SALTS, Josie great granddaughter Sept 1894 5 TN TN TN
SALTS, Eddie granddaughter April 1897 3 TN TN TN

[Josie Salts’ lineage is - Thomas E. Salts, down to daughter Rosie Salts Tittle. But I don’t know who Josie’s father was.

Eddie Salts married Jonathan Tittle on the 7 Sep 1915 Unicoi county, TN. But I don’t know who her parents were]

Isaac fought in the Mexican War. He served in Capt. Bayless' Company which was known as the "Protestant Invincibles" (Ref: History of Washington County, Tennessee).