County Roscommon (Parliament of Ireland constituency)
# County Roscommon (Parliament of Ireland constituency)

County Roscommon was a constituency represented in the Irish House of Commons from 1611 to 1800.

## Members of Parliament

* 1585 Sir Richard Bingham and Thomas Dillon
* 1613–1615 Sir John King and Sir Oliver St John
* 1634–1635 Sir Lucas Dillon
* 1639–1649 Sir Lucas Dillon and Henry (or Geoffrey) Dillon and Robert King
* 1654 (Protectorate Parliament) Sir Robert King
* 1657 (Protectorate Parliament) James King
* 1661 April–December Sir Charles Coote (replaced 1662 by George Lane) and Richard Jones.

### 1689–1801

| Election | | First member | First party | | Second member | Second party |
| - | - | - | - | - | - | - |
| 1689 Patriot Parliament | | Charles Kelly | | | John Bourke | |
| 1692 | | Sir Robert King, 1st Bt | | | George St George | |
| 1703 | | Sir Edward Crofton, 2nd Bt | | | George St George | |
| November 1713 | | Sir Edward Crofton, 2nd Bt | | | James Donnellan | |
| 1713 | | Sir Edward Crofton, 2nd Bt | | | Sir George St George, 2nd Bt | |
| 1715 | | Sir Edward Crofton, 2nd Bt | | | Sir John King, 2nd Bt | |
| 1721 | | Sir Edward Crofton, 2nd Bt | | | Arthur French | |
| 1727 | | Sir Edward Crofton, 2nd Bt | | | Sir Henry King, 3rd Bt | |
| 1730 | | Nicholas Mahon | | | Sir Henry King, 3rd Bt | |
| 1735 | | Edward Crofton | | | Sir Henry King, 3rd Bt | |
| 1741 | | Edward Crofton | | | Henry Sandford | |
| 1745 | | John French | | | Henry Sandford | |
| 1761 | | John French | | | Thomas Mahon | |
| 1775 | | Edward Crofton | | | Thomas Mahon | |
| 1782 | | Edward Crofton | | | Maurice Mahon | |
| 1783 | | Edward Crofton | | | Arthur French | |
| 1798 | | George King, Viscount Kingsborough | | | Arthur French | |
| 1799 | | Thomas Mahon | | | Arthur French | |
| 1801 | Constituency replaced by Westminster constituency Roscommon | Constituency replaced by Westminster constituency Roscommon | Constituency replaced by Westminster constituency Roscommon | Constituency replaced by Westminster constituency Roscommon | Constituency replaced by Westminster constituency Roscommon | Constituency replaced by Westminster constituency Roscommon |
