| Birth | 2 Mar 1811 | Dalton, Berkshire County, Massachusetts | | | |
| Education | Abt 1824 | at the Pittsfield Academy until - Pittsfield, Berkshire County, Massachusetts | | | |
| Occupation | Bet 1824 and 1830 | employee of his brother Dr. Jonathan Day - Syracuse, Onondaga County, New York | | | |
| Graduated | Dec 1831 | Berkshire Medical College - Pittsfield, Berkshire County, Massachusetts | | | |
| Occupation | Bet Jan 1832 and Aug 1832 | quarantine physician, appointed to help prevent the spread of cholera - French Creek, Chautauqua County, New York | | | |
| Residence | Bet Aug 1832 and Jan 1834 | while administering his deceased brother's estate - Syracuse, Onondaga County, New York | | | |
| Occupation | Bet 1834 and 1836 | traveling salesman, selling surgical instruments - Ohio | | | |
| Residence | 1836 | for a short time - Omer, Decatur County, Indiana | | | |
| Residence | 1836 | for a short time - Milroy, Rush County, Indiana | | | |
| Residence | Bet 1836 and 1838 | Wilmington, Dearborn County, Indiana | | | |
| Residence | 1838 | Shelbyville, Shelby County, Illinois | | | |
| Occupation | Bet 1838 and 1878 | physician - Shelbyville, Shelby County, Illinois | | | |
| Marriage | 28 Oct 1847 | Jane THOMPSON | | | |
| Death | 23 Jul 1893 | Shelbyville, Shelby County, Illinois | | | |