| Town or | Townland or | Record | ||
| Last Name | First name | Village | Street | Number |
| Innis | Joseph | Coniamstown | 15 | |
| Irvin | Lizzie | Ardglass | Bath Street | 8 |
| Irvin | Richard | Ardglass | Bath Street | 8 |
| Irvin | William | Ardglass | Bath Street | 8 |
| Irvine | Alexander | Ballydonnel | 7 | |
| Irvine | Annie | Ballydonnel | 7 | |
| Irvine | Annie Elizabeth | Downpatrick | Saul Road | 2 |
| Irvine | Charles | Ballydonnel | 7 | |
| Irvine | Elanor? | Downpatrick | Saul Street | 90 |
| Irvine | Elizabeth | Ballydonnel | 7 | |
| Irvine | Elizabeth | Ballydonnel | 8 | |
| Irvine | James | Downpatrick | Saul Street | 90 |
| Irvine | Jane | Ballydonnel | 7 | |
| Irvine | John | Ballydonnel | 9 | |
| Irvine | John | Ballydonnel | 9 | |
| Irvine | John | Glovet | 5 | |
| Irvine | Lillie | Ballydonnel | 14 | |
| Irvine | Lizzie | Ballydonnel | 9 | |
| Irvine | Lizzie | Ballydonnel | 14 | |
| Irvine | Maggie | Ballydonnel | 9 | |
| Irvine | Margret | Downpatrick | Saul Street | 90 |
| Irvine | Martha Jane | Dillon | 1 | |
| Irvine | Mary | Ballydonnel | 9 | |
| Irvine | Mary A? | Corbally | 8 | |
| Irvine | Mary Anne | Glovet | 5 | |
| Irvine | Mary J | Downpatrick | Saul Street | 90 |
| Irvine | Matilda | Ballydonnel | 9 | |
| Irvine | Robert | Downpatrick | Saul Street | 90 |
| Irvine | Robert | Ballydonnel | 8 | |
| Irvine | Robert | Ballydonnel | 14 | |
| Irvine | Robert | Corbally | 8 | |
| Irvine | Samuel | Ballydonnel | 8 | |
| Irvine | Samuel | Ballydonnel | 14 | |
| Irvine | Samuel | Corbally | 8 | |
| Irvine | Samuel | Corbally | 8 | |
| Irvine | Sarah Jane | Glovet | 5 | |
| Irvine | Susan | Ballydonnel | 14 | |
| Irvine | Tommy* | Ballydonnel | 14 | |
| Irwin | Fanny | Demesne of Down | 26 | |
| Irwin | John | Killough | Downpatrick St | 35 |
| Irwin | Joseph | Killough | Downpatrick St | 35 |
| Irwin | Kathleen | Grangicam | 10 | |
| Irwin | Margaret | Downpatrick | New Bridge Street | 23 |
| Irwin | Mary | Killough | Downpatrick St | 35 |
| Irwin | Mary | Strangford | 73 | |
| Irwin | Richard | Killough | Downpatrick St | 35 |
| Irwin | Richard | Killough | Downpatrick St | 35 |
| Irwin | Samuel | Killough | Downpatrick St | 35 |
| Irwin | Thomas | Killough | Downpatrick St | 35 |
| Irwin* | Alexander | Rathmullan Lower | 19 | |
| Isbel | Emily | Strangford | 88 | |