M, b. 20 May 1848, d. 15 May 1941
| Birth* | 20 May 1848 | William was born at Floyd Co, VA, on 20 May 1848.1 |
| | He was the son of Lewis W. Poff and Nancy Epperly. |
| Census | 1850 | He was listed as a resident in the census report at Floyd Co, VA, in 1850. |
| Census* | 1860 | He was listed as a resident in the census report at Huffville, Floyd Co, VA, in 1860. |
| Marriage* | c 1867 | He married Ellen Frances (?) c 1867.2,3 |
| Employment | Jun 1880 | Occupation: farmer in Jun 1880 at Cave Spring Dist, Roanoke Co, VA.3 |
| Census | Jun 1880 | A census listed William as head of household at Cave Spring Dist, Roanoke Co, VA, in Jun 1880.3 |
| Employment | Jun 1900 | Occupation: farm laborer in Jun 1900 at Christiansburg Dist, Montgomery Co, VA.3 |
| Census | 15 Jun 1900 | A census listed William as head of household at Christiansburg Dist, Montgomery Co, VA, on 15 Jun 1900.3 |
| Employment* | Apr 1910 | Occupation: farm laborer in Apr 1910 at Christiansburg Dist, Montgomery Co, VA.3 |
| Census* | 23 Apr 1910 | A census listed William as head of household at Christiansburg Dist, Montgomery Co, VA, on 23 Apr 1910.3 |
| (Witness) Census | 13 Jan 1920 | He appeared on the census of 13 Jan 1920 in the household of James Thomas Poff and Mary Pearl Fletcher at Athens Precinct, Mercer Co, WV.3 |
| (Witness) Census | 15 Apr 1930 | William Taylor Poff appeared on the census of 15 Apr 1930 in the household of James Thomas Poff and Mary Pearl Fletcher at Plymouth Dist, Mercer Co, WV.3 |
| Death* | 15 May 1941 | William died on 15 May 1941 at Gatewood, Fayette Co, WV, at age 92.1 |
| Burial* | 18 May 1941 | His body was interred on 18 May 1941 at Oakvale, Mercer Co, WV, at Whites Cemetery.1 |