| Birth | 3 Jan 1852 | Concord Township, Ross, Ohio | | | |
| Marriage | 18 Sep 1874 | Ross, Ohio - Mary N. Wornstaff | | | |
| Census (family) | 1880 | Concord Township, Ross, Ohio - Mary N. Wornstaff | | | |
| Census (family)-shared | 1880 | (Adam Harper and Mary N. Wornstaff) Concord Township, Ross, Ohio | | | |
| Census (family) | 29 Apr 1910 | Suprivors District No 10, Enumeration District No 150, Sheet 7A / 2551, Concord Township, Louisa, Iowa - Mary N. Wornstaff | | | |
| Census (family)-shared | 29 Apr 1910 | (Adam Harper and Mary N. Wornstaff) Suprivors District No 10, Enumeration District No 150, Sheet 7A / 2551, Concord Township, Louisa, Iowa | | | |
| Census | 1930 | Concord Township, Ross, Ohio | | | |
| Death-shared | 20 Aug 1936 | (Minnie Blanche Harper) Chronic Arlbieter, File No 53586, Registration District No 1128, Primary Registration No 5724 - Concord Township, Ross, Ohio | | | |
| Death | Feb 1944 | Buckskin Township, Ross, Ohio | | | |
| Burial | Feb 1944 | Greenlawn Cemetery, Plot Sec 8, Lot 4 Grave 8, Frankfort, Ross, Ohio | | | |
| Residence | Feb 1944 | Lyndon, Buckskin Township, Ross, Ohio | | | |
