| Birth | 28 Jan 1819 | Isaac Newton Clary was born on 28 Jan 1819 in Darke County, Ohio. |
| Marriage | 5 Dec 1843 | He and Rebecca Remley, daughter of Daniel Remley and Mary Borum, were married on 5 Dec 1843. |
| 1870 Census | 22 Sep 1870 | Isaac Newton Clary appeared as head of household in the 1870 Federal Census of Harrison, Cass County, Indiana, as Isaac N. Clarey. Living with him was his wife, Rebecca, and their children, John, Martha, Isaac, Mary, Nancy, Sarah, Rebecca and Daniel. He is a white male, age 53. His occupation is farmer. He was born in Indiana. He is a male citizen of the U.S. of 21 years of age and up. |
| 1880 Census | 17 Jun 1880 | Isaac Newton Clary appeared as head of household in the 1880 Federal Census of Harrison, Cass County, Indiana, as Isaac N. Clary. Living with him was his wife, Rebecca, and their children, Nancy, Sarah, Rebecca and Daniel, as well as 5 hire hands, Winfield S. Thrush, Ray Lawrence, William Motlen, John Gustione and Charles Beling. He is a married white male, age 61. His occupation is farmer. He was born in Ohio. His father was born in Ohio, his mother in Pennsylvania. |
| Possible Deathdate | 5 Oct 1898 | According to at least one source, his death date was 5 Oct 1898 in Cass County, Indiana. |
| Death | 8 Oct 1898 | Isaac Newton Clary died on 8 Oct 1898 in Cass County, Indiana, at age 79. |
| Burial | Oct 1898 | He was buried in Oct 1898, age 79, in Indian Creek Presbyterian Cemetery, located in Lucerne, Cass County, Indiana.  |
Isaac Newton Clary