| Maryborough | |
|---|---|
| Former borough constituency for the Irish House of Commons | |
| County | Queen's County |
| Borough | Maryborough (now Portlaoise) |
| –1801 | |
| Seats | 2 |
Maryborough was a constituency represented in the Irish House of Commons until 1800. The town is known as Portlaoise since 1929.