Birth* | circa 1847 | He was born circa 1847 at PennsylvaniaG.1 |
| 15 August 1850 | He appeared on the census of 15 August 1850 in the household of Nathaniel Plumer Fetterman and Anna Maria Dillon at Upper St. Clair Twp., Allegheny Co., PennsylvaniaG, as Nathaniel P, age 3, b. PA.2 |
| 19 June 1860 | He appeared on the census of 19 June 1860 in the household of Nathaniel Plumer Fetterman and Anna Maria Dillon at Upper St. Clair Twp., Allegheny Co., PennsylvaniaG, as Plummer, age 13, b. PA.3 |
| 8 June 1880 | He appeared on the census of 8 June 1880 in the household of Anna Maria Dillon at Grand Avenue, Pittsburgh, Allegheny Co., PennsylvaniaG, as Plumer, age 35, works on L.E.R.R.4 |