| Census: | 1871 |
| County: | Renfrewshire (RFW) |
| District: | Port Glasgow |
| Civil Parish: | Port Glasgow |
| Ecclesiastical Parish: | Newark Qs |
| Piece: | 574 |
| Enumeration District: | 12 |
| Folio: | 0 |
| Page: | 18 |
| Schedule: | 109 |
| House Number: | 21 |
| House or Street Name: | Church Street |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| COOK | Martha | Head | W | F | 39 | Green Grocer | Ireland | - | 3 rooms | |
| COOK | Rachel | Dau | - | F | 12 | Scholar | Born Overseas | America | ||
| COOK | Matthew | Son | - | M | 7 | Scholar | Renfrewshire | Port Glasgow | ||
| COOK | James | Son | - | M | 5 | Renfrewshire | Port Glasgow | |||
| HARPER | Rachel | Sister | U | F | 28 | Grocer's Shopkeeper | Renfrewshire | Crosslee |