| Birth | 29 Aug 1848 | Virginia | | | |
| Census | 1 Jun 1860 | P.O. Lodi, Western District, Washington Co., VA, pg. 178; William Gentry, 11 (1848-49) born VA. | | | |
| Census | 1 Jun 1870 | Dist 1, Wards Iron Works, Johnson Co., TN, pg 9; William Gentry, 21 (1848-49) born VA, farm laborer, lives with parents. | | | |
| Marriage | Abt 1874 | Eunice Ellen SURBER | | | |
| Census | 1 Jun 1880 | Holston Magisterial District, Washington Co., VA, ED 100 pg 37; Wm. M. Gentry, head, 29 (1850-51), born VA father born TN mother born VA, farmer, cannot read. | | | |
| Census | 1 Jun 1900 | Hattson Magisterial District, Washington Co., VA, ED 115 Sh 13A; William Gentry, head, born Aug 1850, 49, married 25 yr., born VA father born TN mother born VA, farmer. | | | |
| Census | 15 Apr 1910 | Holston District, Washington Co., VA, ED 118 Sh 6B; William Gentry, head, 65 (1844-45), marriage 1 of 38 yr., born VA father born TN mother born VA, farmer. | | | |
| Death | 15 Dec 1915 | Taylors Valley, Washington Co., VA | | | |
| Reference No | | 6001 | | | |