| 1910 | Lindley Harris Trotter | Head | 47 | Own | White | Married | Pennsylvania | Insurance | Broker | |
| Catharine Pickering Trotter | Wife | 47 | | White | Married | Ohio | | | |
| Donald Pickering Trotter | Son | 17 | | White | Single | Pennsylvania | | | |
| John Malcolm Trotter | Son | 14 | | White | Single | Pennsylvania | | | |
| Kenneth C Trotter | Son | 7 | | White | Single | Pennsylvania | | | |
| Sarah J Trotter | Mother | 77 | | White | Widowed | Pennsylvania | | | |
| Sallie J Trotter | Sister | 54 | | White | Single | Pennsylvania | Public School | Teacher | |
| Mary E Pickering | Mother-in-law | 74 | | White | Widowed | Delaware | | | |
| Catharine Sinex | Servant | 50 | | White | Single | Delaware | Private family | Servant | |
| 1920 | Lindley Harris Trotter | Head | 56 | Own | White | Married | Pennsylvania | Insurance | Agent | |
| Catharine Pickering Trotter | Wife | 56 | | White | Married | Ohio | | | |
| Donald Pickering Trotter | Son | 26 | | White | Married | Pennsylvania | Automobiles | Demonstrator | |
| Matilda O Trotter | Daughter-in-law | 22 | | White | Married | Vermont | | | |
| John Malcolm Trotter | Son | 24 | | White | Married | Pennsylvania | Accident Insurance | Agent | |
| Lucia A Trotter | Daughter-in-law | 22 | | White | Married | Vermont | | | |
| Kenneth C Trotter | Son | 17 | | White | Single | Pennsylvania | Fire Insurance | Agent | |
| Catharine Sinex | Servant | 58 | | White | Single | Delaware | Private family | Servant | |