| Birth | Dec 1844 | Illinois | | | |
| Census | 1 Jun 1850 | Town of Ursa, Adams Co., IL, stamped pg. 298B; William E. (?) Washburne, 5 (1844-45) born IL. | | | |
| Census | 1 Jun 1860 | Ursa, Adams Co., IL, pg. 412; William E. Washburn, 15 (1844-45) born IL. | | | |
| Census | 1 Jun 1870 | P.O. Quincy, Ursa Twp., Adams Co., IL, pg 27; William E. Washburn, head, 25 (1844-45) born IL, farmer, real estate of $500 personal f $600. No wife or children with him. Samuel & Sarah Hoterburn (?) living with him. Could be his sister, Sarah. | | | |
| Marriage | Bet 1871 and 1872 | Elizabeth Lizzie | | | |
| Census | 1 Jun 1880 | Jackson Twp., Linn Co., MO, ED 190 Sh 26B; Wm E. Washburn, head, 35 (1874-75) born IL father born KY mother born MO, farmer. | | | |
| Census | 1 Jun 1900 | Quincy Ward 7, Ursa Twp., Adams Co., IL, ED 147 Sh 11B; Wm E. Washburne, head, born Dec 1844, 55, married 28 yr., born IL father born KY mother born MO. | | | |
| Census | 15 Apr 1910 | Ursa Twp., Adams Co., IL, ED 61 pg 10B; William E. Washburn, head, 67 (1842-43), married 37 yr., born IL both parents born KY, farmer. | | | |
| Census | 1 Jan 1920 | Mendon Village, Mendon Twp., Adams Co., IL, ED 20 Sh 4A; William E. Washburn, head, 75 (1844) born IL father born KY mother born MO, no occupation. | | | |
| Death | Aft 1 Jan 1920 | | | | |
| Reference No | | 5723 | | | |