List of counties and boroughs of the Unreformed House of Commons at 1800 Irish boroughs Irish boroughs

| Borough | County | Franchise_type | Members | Voters_in_1800 | Times_contested | Fate_in_1832 |
|---|---|---|---|---|---|---|
| Limerick | Limerick | Freemen | 1 | 1000 | 4 | Given two seats |
| Lisburn | Antrim | 5 pound householders | 1 | 75 | 0 | Retained one seat |
| Londonderry | Londonderry | Freemen | 1 | 1000 | 2 | Retained one seat |
| Mallow | Cork | 40 shilling freeholders | 1 | 524 | 2 | Retained one seat |
| New Ross | Wexford | Freemen | 1 | 38 | 0 | Retained one seat |
| Newry | Down | 5 pound householders | 1 | 500 | 4 | Retained one seat |
| Portarlington | Queen`s | Freemen | 1 | 12 | 0 | Retained one seat |
| Sligo | Sligo | Corporation | 1 | 13 | 0 | Retained one seat |
| Tralee | Kerry | Corporation | 1 | 13 | 0 | Retained one seat |
| Waterford | Waterford | Freemen | 1 | 1000 | 2 | Retained one seat |
| Wexford | Wexford | Freemen | 1 | 150 | 1 | Retained one seat |