| 1900 | William S McClellan | Head | 65 | Own | White | Widowed | New York | | Real Estate Agent | |
| Charles Arthur Stuart McClellan | Son | 35 | | White | Married | New York | | Insurance Broker | |
| Jennie M McClellan | Daughter-in-law | 32 | | White | Married | Pennsylvania | | | |
| William S McClellan, Jr. | Grandson | 8 | | White | Single | Pennsylvania | | at school | |
| Mary A Yost | Mother | 65 | | White | Widowed | Pennsylvania | | | |
| Lucia A Coleman | Servant | 25 | | Black | Single | Virginia | | Servant | |
| 1910 | William S McClellan | Head | 75 | Own | White | Widowed | New York | | Justice of the Peace | |
| Charles Arthur Stuart McClellan | Son | 45 | | White | Married | New York | Insurance Co. | Manager | |
| Jennie M McClellan | Daughter-in-law | 42 | | White | Married | Pennsylvania | | | |
| William S McClellan, Jr. | Grandson | 18 | | White | Single | Pennsylvania | Insurance Co. | Inspector | |
| Sarah G Robinson | Servant | 55 | | Black | Widowed | Pennsylvania | Private family | Servant | |