| Birth | 2 Feb 1814 | Ephraim Thomas Simpson was born on 2 Feb 1814 in Gibson County, Indiana. |
| Possible Birthdate | 2 Feb 1815 | According to at least one source, his birthdate was 2 Feb 1815 birthplace was Montgomery, Gibson County, Indiana. |
| Marriage License | 7 Nov 1835 | He and Zelpha Gooch obtained a marriage license on 7 Nov 1835. |
| Marriage | 8 Nov 1835 | Ephraim Thomas Simpson and Zelpha Gooch, daughter of John Gooch and Polly Waters, were married on 8 Nov 1835 in Gibson County, Indiana, officiated by T. J. Montgomery, Esqr. |
| 1840 Census | 1840 | Ephraim Thomas Simpson is head of household in the 1840 Federal Census of Montgomery Township, Gibson County, Indiana, as Ephraim Simpson. In the household were 1 male under the age of 5, 1 male between the ages of 20 and 30, 1 female under the age of 5, 1 female between the ages of 5 and 10, 1 female between the ages of 15 and 20, and 1 female between the ages of 20 and 30. There is 1 person employed in agriculture. |
| Marriage | 5 Jul 1846 | He and Kassa Newsom were married on 5 Jul 1846 in Gibson County, Indiana, officiated by Reverand Joseph Wasson. |
| Marr_Ret | 31 Aug 1846 | Official's return filed on 31 Aug 1846. |
| Marriage | 2 May 1849 | Ephraim Thomas Simpson and Lucinda Watts were married on 2 May 1849 in Gibson County, Indiana, officiated by John Almon, Elder. |
| Marr_Ret | 26 Jun 1849 | Official's return filed on 26 Jun 1849. |
| 1850 Census | 12 Apr 1850 | Ephraim Thomas Simpson appeared as head of household in the 1850 Federal Census of Montgomery Township, Gibson County, Indiana, as Ephraim Simpson. Living with him was his wife, Lucinda, and their children, William, Elizabeth, Emily, Mary and Nancy, as well as his mother, Rhoda Herring. He is a white male, age 34. His occupation is farmer. His real estate is valued at $800. He was born in Iowa. |
| 1860 Census | 28 Jun 1860 | Ephraim Thomas Simpson appeared as head of household in the 1860 Federal Census of Montgomery Township, Gibson County, Indiana, as Ephram Simpson. Living with him was his wife, Lucinda, and their children, Mary, Nancy, Joseph, Rhoda, George and Caroline, as well as his mother, Rhoda Herring, and William Gray. He is a white male, age 45. His occupation is a farmer. His real estate is valued at $3500 and his personal estate is valued at $800. He was born in Indiana. |
| Marriage | 15 Nov 1865 | Ephraim Thomas Simpson and Elizabeth Todd, daughter of Samuel R. Todd and Mary Ann (Unknown), were married on 15 Nov 1865 in Shelby County, Illinois. |
| 1870 Census | 18 Jun 1870 | Ephraim Thomas Simpson appeared as head of household in the 1870 Federal Census of Cedar Creek, Cowley County, Kansas, and their children, Elizabeth, George, Isaac, James, Idah and Martin. He is a |E Simpson. |
| 1880 Census | 1 Jun 1880 | Ephraim Thomas Simpson appeared as head of household in the 1880 Federal Census of South 1/2, Union Center, Elk County, Kansas, as Ephram Simpson. Living with him was his wife, Elizabeth, and their children, Martin, Ephraim and George. He is a married white male, age 66. Occupation is farmer and keeper of poor. He was born in Indiana. His mother and father were born in Kentucky. |
| Death | 25 Feb 1886 | Ephraim Thomas Simpson died on 25 Feb 1886 in Severy, Elk County, Kansas, at age 72. Cause of death: typhoid fever. |
| Burial | | He was buried in Cresco Cemetery, located in Severy, Elk County, Kansas. |
Ephraim Thomas Simpson 