Birth* | August 1866 | He was born in August 1866 at Jefferson Co., New YorkG; b. Ireland per 1910 census.1,3 |
| 1 June 1880 | He appeared on the census of 1 June 1880 in the household of John McCrea Horton and Mary Jane Shelly at Chaumont, Lyme Town, Jefferson Co., New YorkG, age 13; also James Clark (75), uncle, carpenter.1 |
| 6 June 1900 | He appeared on the census of 6 June 1900 in the household of John McCrea Horton and Mary Jane Shelly at Chaumont, Lyme Town, Jefferson Co., New YorkG, age 33, b. NY Aug 1866, carpenter, marr. 10 yrs [no spouse named]; (also Dora Shelley (28), boarder, b. NY Apr 1872, poss. niece of Mary; nei. Henry Horton (71), wid., fam. 138.)3 |
| 21 April 1910 | He appeared on the census of 21 April 1910 in the household of John McCrea Horton at Chaumont, Lyme Town, Jefferson Co., New YorkG, as William P, adopted son, 44, b. Ireland.4 |