| Birth | 18 Sep 1824 | John Conn Clary was born on 18 Sep 1824 in Rush County, Indiana. |
| Marriage | 8 Oct 1846 | He and Susanna Foy were married on 8 Oct 1846 in Cass County, Indiana. |
| 1860 Census | 15 Aug 1860 | John Conn Clary appeared as head of household in the 1860 Federal Census of Harrison Township, Cass County, Indiana, as John C. Clary. Living with him was his wife, Susanna, and their children, Frances, Devern, Silvinia, Elbert and Mary, as well as Mary Stevens. He is a male age 38. His occupation is farmer. The value of his real estate is $2500. The value of his personal estate is $450. He was born in Indiana. |
| Marriage | 19 Jul 1863 | John Conn Clary and Narcissa Woods were married on 19 Jul 1863. |
| 1870 Census | 22 Jun 1870 | John Conn Clary appeared as head of household in the 1870 Federal Census of Noble Township, Cass County, Indiana, as John C. Clara. Living with him was his wife, Narcissa, and their children, John and Bertram, his children, Elbert and Mary, as well as Henry Dunham. He is a white male, age 44. His occupation is farmer. His real estate is value at $4,000. His personal estate is value at $300. He was born in Indiana. He is a male citizen of the U.S. 21 years of age and up. |
| 1880 Census | 18 Jun 1880 | John Conn Clary appeared as head of household in the 1880 Federal Census of Noble Township, Cass County, Indiana, as John C. Clary. Living with him was his wife, Narcissa, and their children, John and Bertram. He is a married white male, age 59. His occupation is farmer. He was born in Indiana. His mother and father were born in Ohio. |
| Marriage | 4 Oct 1898 | John Conn Clary married third Susanna Sutton, daughter of Johnathan Sutton and Mary Polly Willis (Unknown), on 4 Oct 1898 in Pulaski County, Indiana. |
| 1900 Census | 21 Jun 1900 | John Conn Clary appeared as head of household in the 1900 Federal Census of Harrison, Pulaski County, Indiana, as John C. Clany. Living with him was his wife, Susanna. He is a married white male, age 75. Born September 1824. Married 1 year. He was born in Indiana. His mother and father were born in Ohio. His occupation is farmer. He was unemployed 0 months. He can read, write and speak English. He owns his home. It is mortgaged and is a farm. It is number 158 on the farm schedule. |
1910 Census
| 3 May 1910 | John appeared in the 1910 Federal Census of Eel Township, Cass County, Indiana, in the household of Ella and John Thomas Clary. |
| Death | 21 Apr 1913 | John Conn Clary died on 21 Apr 1913 in Logansport, Cass County, Indiana, at age 88. Cause of death: cerebral hemmorhage.  |
| Burial | 23 Apr 1913 | He was buried on 23 Apr 1913, age 88, in Mount Hope Cemetery, located in Logansport, Cass County, Indiana. |
John Conn Clary