| 1940 | Barry S Mellor | Head | 56 | Own | White | Married | Canada | Naval stores | Proprietor retail store | |
| Rosalind C Mellor | Wife | 50 | | White | Married | Pennsylvania | | | |
| Rosalind Blair | Daughter | 27 | | White | Married | Pennsylvania | | | |
| Barry Stephen Mellor, Jr. | Son | 25 | | White | Single | Pennsylvania | | | |
| Mary June Elizabeth Mellor | Daughter | 20 | | White | Single | Pennsylvania | | | |
| Helen Selene Mellor | Daughter | 19 | | White | Single | Pennsylvania | | | |
| Faith Mellor | Daughter | 9 | | White | Single | Pennsylvania | | | |
| Charles W Blair | Grandson | 4 | | White | Single | Massachusetts | | | |
| 1950 | Barry S Mellor | Head | 66 | | White | Married | Canada | Navel Store | Proprietor | |
| Rosalind C Mellor | Wife | 60 | | White | Married | Pennsylvania | | | |
| Rosalind Blair | Daughter | 37 | | White | Divorced | Pennsylvania | | | |
| Charles W Blair | Grandson | 14 | | White | Never | Massachusetts | | | |
| Mary June Elizabeth Mellor | Daughter | 30 | | White | Separated | Pennsylvania | | | born Mellor |
| Barry S Warner | Grandson | 2 | | White | Never | Pennsylvania | | | |
| Faith Mellor | Daughter | 19 | | White | Never | Pennsylvania | Retail Dry Cleaning Store | Clerk | |