| Birth | 23 Oct 1800 | John Sumner Clary was born on 23 Oct 1800 in Tipton County, Tennessee. |
| Marriage | 4 Jul 1822 | He and Sarah Reed, daughter of Jacob Reed, were married on 4 Jul 1822 in Lawrence County, Alabama, married on the same day by the same minister as his presumed brother William J. Clary. |
| 1840 Census | 1840 | John Sumner Clary is head of household in the 1840 Federal Census of Prairie Township, Washington County, Arkansas. In the household were 2 males under the age of 5, 1 male aged 10 to 15, 1 male aged 15 to 20, 1 male age 30 to 40. 2 females age 5 to 10, 2 females age 10 to 15 and 1 female aged 30 to 40. |
| 1850 Census | 17 Oct 1850 | John Sumner Clary appeared as head of household in the 1850 Federal Census of Marrs Hill Township, Washington County, Arkansas, as John S. Clary. Living with him was his wife, Sarah, and their children, Malinda, Elizabeth, Eliza, Stephen, Martha, John and Sarah. He is a 49 year old male. His occupation is farmer. His real estate is value at $475. He was born in Tennessee. |
| 1860 Census | 26 Jun 1860 | John Sumner Clary appeared as head of household in the 1860 Federal Census of Bell County, Texas, as John Clary. Living with him was his wife, Sarah, and their children, Elizabeth, Eliza, Stephen, John, Martha and Sarah, as well as John C. Edens, his grandson. He is a male age 59. His occupation is farmer. His real estate is valued at $3,150. His personal estate is valued at $1,930. He was born in Tennessee. |
| Death | 20 Mar 1868 | John Sumner Clary died on 20 Mar 1868 in Bell County, Texas, at age 67. |
| Burial | | He was buried in Hodge Cemetery, located in Temple, Bell County, Texas.  |
John Sumner Clary