| Name | Constituency | Notes |
| Henry Alcock | Fethard (County Wexford) | 1798–1799 (resigned 1799) |
| William Congreve Alcock | Waterford City | |
| Benjamin Stratford | Baltinglass | |
| John Stratford | Baltinglass | |
| Robert Aldridge | Carysfort | 1799–1800 |
| Henry Alexander | Londonderry City | |
| Richard Annesley | Blessington | 1798–1800 |
| Mervyn Archdall | County Fermanagh | |
| Richard Archdall | Killybegs | |
| William Henry Armstrong | Wicklow | |
| Arthur Gore | County Donegal | 1800 |
| Frederick Trench | Portarlington | |
| David Babington | Ballyshannon | |
| John Bagwell | County Tipperary | |
| Richard Bagwell | Cashel | 1799–1800 |
| William Bagwell | Rathcormack | |
| William Bailey | Augher | |
| Charles Ball | Clogher | March 1800 |
| John Ball | Drogheda | |
| Jonah Barrington | Clogher | Irish Patriot Party |
| John Beresford | County Waterford | |
| John Beresford | Coleraine | |
| John Claudius Beresford | Dublin City | |
| Marcus Beresford | Swords | |
| Hans Blackwood | Killyleagh | 1799–1800 |
| Sir John Blackwood | Killyleagh | 1798–1799 (died February 1799) |
| Joseph Blake | County Galway | |
| Theophilus Blakeney | Athenry | |
| William Blakeney | Athenry | |
| John Blaquiere | Newtownards | |
| Edward Bligh | Athboy | 1800 |
| Thomas Cherburgh Bligh | Athboy | |
| Thomas Borrowes | Longford Borough | 1800 |
| Charles Boyle | Charleville | 1798–1800 |
| Henry Vaughan Brooke | County Donegal | |
| Arthur Browne | Dublin University | |
| Denis Browne | County Mayo | |
| Sir Stewart Bruce | Lisburn | |
| George Bunbury | Gowran | 1798–1800 |
| George Burdett | Gowran | |
| Thomas Burgh | Clogher | 1798–1800 |
| Fore | 1800 |
| Peter Burrowes | Enniscorthy | February 1800 |
| Francis Nathaniel Burton | County Clare | |
| William Henry Burton | County Carlow | |
| Charles Kendal Bushe | Callan | 1798–1799 |
| Donegal Borough | 1799–1800 |
| Sir Richard Butler | County Carlow | |
| Du Pré Alexander | Newtownards | |
| James Cane | Ratoath | |
| Robert Shapland Carew | Waterford City | |
| Thomas Casey | Kilmallock | 1800 |
| Richard Handcock | Athlone | 1800 |
| William Handcock | Athlone | |
| Robert Stewart, Viscount Castlereagh | County Down | Tory Chief Secretary for Ireland |
| Francis Caulfeild | County Armagh | 1798–1799 (ennobled 1799) |
| George Cavendish | Cavan Borough | |
| Sir Henry Cavendish | Lismore | |
| Thomas Pelham | Armagh Borough | 1798–1799 (Chief Secretary for Ireland 1795-3 November 1798) |
| Broderick Chinnery | Bandonbridge | |
| Richard Trench | County Galway | 1798–1800 |
| John Bingham | Tuam | 1798–1799 (ennobled 1800) |
| Nathaniel Clements | County Leitrim | |
| Richard Dawson | County Monaghan | |
| Faithful William Fortescue | Monaghan Borough | 1800 |
| William Fortescue | Monaghan Borough | 1798–1800 |
| William Charles Fortescue | County Louth | |
| Charles Cobbe | Swords | 1798 (died July 1798) |
| Henry Coddington | Dunleer | 1798–1800 |
| John Cole | County Fermanagh | |
| Lowry Cole | Enniskillen | |
| Arthur Cole-Hamilton | Enniskillen | |
| Henry Parnell | Maryborough | |
| John Congreve | Belfast | February 1800 |
| Thomas Conolly | County Londonderry | 1798–1800 |
| Edward Cooke | Old Leighlin | |
| Joshua Edward Cooper | County Sligo | |
| Charles Coote | Queen's County | |
| Eyre Coote | Maryborough | |
| Robert Camden Cope | County Armagh | 1799–1800 |
| Somerset Lowry | County Tyrone | 1798–1800 |
| Isaac Corry | Newry | |
| James Cotter | Castlemartyr | |
| Rogerson Cotter | Charleville | |
| Abraham Creighton | Lifford | |
| John Creighton | Lifford | |
| George Crookshank | Belfast | 1798–1800 |
| James Crosbie | County Kerry | |
| William Arthur Crosbie | Trim | |
| Robert Crowe | Philipstown | 1798–1800 |
| James Cuffe | Tulsk | |
| John Philpot Curran | Banagher | 1800 |
| Sir William Cusack | Donegal Borough | |
| Denis Bowes Daly | King's County | |
| St George Daly | Galway Borough | |
| Arthur Dawson | Banagher | |
| Thomas Dawson | Enniscorthy | June 1800 |
| George Augustus Chichester | Carrickfergus | 1798–1799 (ennobled January 1799) |
| Noah Dalway | Carrickfergus | 1799–1800 |
| Henry Verney Lovett Darby | Gowran | 1800 |
| John Dennis | Clonmel | 1800 |
| Quintin Dick | Dunleer | 1780 |
| Francis Dobbs | Charlemont | Anti-Union |
| James Blackwood | Killyleagh | |
| Patrick Duigenan | Armagh Borough | |
| George Dunbar | Thomastown | 1798–1800 |
| Edward Dunne | Maryborough | 1800–1800 |
| Valentine Quin | Kilmallock | 1799–1800 |
| Richard Lovell Edgeworth | St Johnstown (County Longford) | 1798–1800 |
| John Egan | Tallow | |
| William Elliot | St Canice | |
| Charles Eustace | Fethard (County Wexford) | |
| Henry Eustace | Clonmines | 1800 |
| George Evans-Freke | Baltimore | |
| Sir John Evans-Freke | Baltimore | |
| Sir Frederick Falkiner | County Dublin | |
| Andrew Ferguson | Londonderry City | 1798–1800 |
| James Fitzgerald | Kildare Borough | |
| Sir William Gleadowe-Newcomen | County Longford | |
| Brydges Henniker | Kildare Borough | |
| Sir Thomas Lighton | Carlingford | |
| Richard Magenis | Carlingford | |
| John Maxwell | County Cavan | 1798–1800 |
| John Maxwell | Newtown Limavady | |
| Thomas Skeffington | Dunleer | |
| Sir Thomas Fetherston | County Longford | |
| Charles FitzGerald | Ardfert | |
| Maurice FitzGerald | County Kerry | |
| Robert Uniacke Fitzgerald | County Cork | |
| Chichester Fortescue | Trim | |
| Chichester Fortescue | Hillsborough | 1800 |
| John Foster | County Louth | |
| Matthew Franks | Ardfert | September 1800 |
| Arthur French | County Roscommon | |
| Luke Fox | Clonmines | 1798–1799 (resigned 1799) |
| Mullingar | 1799–1800 |
| James Galbraith | Augher | |
| William Gardiner | Thomastown | 1800 |
| William Gore | Carrick | |
| Hamilton Gorges | County Meath | |
| Charles Vereker | Limerick City | |
| Archibald Acheson | County Armagh | |
| Thomas Gould | Kilbeggan | 1800 |
| Henry Deane Grady | Limerick City | |
| Henry Grattan | Wicklow | Irish Patriot Party |
| William Gregory | Portarlington | 1800 |
| Willian Fulke Greville | Granard | January 1798 |
| Alexander Hamilton | Belfast | 1798–1800 |
| Hans Hamilton | County Dublin | |
| Richard Hardinge | Midleton | 1798–1799 (resigned 1799) |
| Edward Hardman | Drogheda | |
| Francis Hardy | Mullingar | |
| Richard Hare | Athy | |
| William Hare | Athy | |
| George Hatton | Lisburn | |
| Francis Hely | Naas | |
| John Hely | Cork City | |
| Richard Townsend Herbert | Granard | 1800 |
| Sir George Hill | Londonderry City | January 1798 |
| Edward Hoare | Askeaton | |
| Joseph Hoare | Banagher | 1798–1800 |
| John Hobson | Clonakilty | |
| Peter Holmes | Doneraile | |
| Sir Francis Hopkins | Kilbeggan | 1798–1800 |
| Hugh Howard | Athboy | 1798–1800 |
| John Cradock | Midleton | 1799 |
| Thomastown | May 1800 |
| William Hume | County Wicklow | 1798 (killed October 1798) |
| William Hoare Hume | County Wicklow | 1799–1800 |
| Hon. Hugh Howard | St Johnstown (County Donegal) | |
| Hon. William Forward-Howard | St Johnstown (County Donegal) | |
| Vere Hunt | Askeaton | |
| Henry Irvine | Tulsk | |
| George Jackson | Randalstown | |
| George Jackson | County Mayo | |
| Denham Jephson | Mallow | |
| George Jocelyn | Dundalk | 1798 (died March 1798) |
| John Jocelyn | Dundalk | |
| Robert Johnson | Hillsborough | January 1800 |
| William Johnson | Roscommon | 1799–1800 |
| Robert Johnston | Philipstown | 1800 |
| Theophilus Jones | County Leitrim | |
| Walter Jones | Coleraine | |
| Thomas Kavanagh | Kilkenny City | 1798–1799 |
| John Keane | Youghal | |
| James Kearney | Thomastown | 1798–1800 |
| Maurice Keatinge | County Kildare | |
| John Kelly | Lanesborough | 1800 |
| Henry Kemmis | Tralee | |
| Charles King | Belturbet | 1798–1800 |
| John King | Clogher | March 1800 |
| George King | County Roscommon | 1798–1799 |
| Gilbert King | Jamestown | |
| Henry King | Boyle | |
| John King | Jamestown | |
| William Knott | Taghmon | |
| Andrew Knox | Strabane | 1798–1800 |
| Hon. Charles Knox | Dungannon | 1798–1799 |
| Francis Knox | Philipstown | 1798–1800 |
| George Knox | Dublin University | |
| James Knox | Taghmon | |
| David La Touche | Newcastle | |
| David La Touche | Newcastle | |
| John La Touche | County Kildare | |
| John La Touche | Harristown | |
| Robert La Touche | Harristown | |
| Gerard Lake | Armagh Borough | 1799–1800 |
| Gustavus Lambart | Kilbeggan | |
| Clotworthy Rowley | County Meath | 1798–1800 |
| Hercules Langrishe | Knocktopher | 1798–1800 |
| Edward Lee | Dungarvan | |
| Francis Leigh | Wexford Borough | |
| Robert Leigh | New Ross | |
| John Loftus | County Wexford | |
| William Loftus | Bannow | 1798–1800 |
| Charles Vane | Thomastown | March 1800 |
| County Londonderry | May 1800 |
| Robert King | Boyle | |
| Thomas Lindsay | Castlebar | 1798–1800 (resigned 1800) |
| Thomas Lindsay | Castlebar | 1798–1800 |
| John Longfield | Ballynakill | |
| John Longfield | Mallow | |
| Mountifort Longfield | Cork City | |
| Henry Luttrell | Clonmines | 1799–1800 |
| Joseph Lysaght | Cashel | 1798–1799 |
| George Lyttelton | Granard | 1798–1800 |
| Sir John Macartney | Naas | 1798–1800 |
| Edmund Alexander Macnaghten | County Antrim | |
| James Mahon | Philipstown | 1800 |
| Ross Mahon | Granard | 1798–1800 |
| Stephen Mahon | Knocktopher | April 1800 |
| Thomas Mahon | County Roscommon | 1799–1800 |
| Richard Martin | Lanesborough | 1798–1800 |
| County Galway | 1800 |
| Francis Mathew | County Tipperary | |
| John Monck Mason | St Canice | |
| Hon. Henry Skeffington | Antrim | |
| Hugh Dillon Massy | County Clare | |
| William Thomas Monsell | Dingle | 1798–1800 |
| Montague James Mathew | Ballynakill | 1798–1800 |
| James Edward May | Belfast | January 1800 |
| James McClelland | Randalstown | 1798–1800 |
| Charles McDonnell | Rathcormack | |
| Francis McNamara | Killybegs | |
| John Metge | Tallow | |
| George Miller | Castlebar | 1800 |
| William Domville Stanley Monck | Gorey | 1798–1799 |
| Alexander Montgomery | County Donegal | 1798–1800 |
| Lodge Morres | Dingle | |
| Nathaniel Montgomery-Moore | Strabane | |
| Arthur Moore | Tralee | |
| John Moore | Newry | 1799–1800 |
| Lorenzo Moore | Ardfert | 1798–1800 |
| Stephen Moore | Clonmel | |
| William Moore | St Johnstown (County Longford) | 1798–1800 |
| Stephen Moore | Kells | |
| George Sandford | Roscommon | 1798–1799 |
| Henry Sandford | Roscommon | |
| Daniel Mussenden | Killyleagh | 1800 |
| Charles Montague Ormsby | Duleek | |
| Sir Richard Musgrave | Lismore | |
| Thomas Nesbitt | Cavan Borough | |
| Richard Nevill | Wexford Borough | |
| Thomas Worth Newenham | Clonmel | 1798–1800 |
| John Toler | Gorey | |
| Sir George Nugent | Charleville | 1800 |
| Sir Edward O'Brien, 4th Bt | Ennis | |
| Robert O'Callaghan | Bandonbridge | |
| Hugh O'Donnell | Donegal Borough | 1798–1799 |
| James Moore O'Donnell | Ratoath | |
| Charles O'Hara | County Sligo | |
| William Odell | County Limerick | |
| George Ogle | Dublin City | July 1798, Anti-Union |
| Charles Silver Oliver | Kilmallock | 1798–1799 |
| Silver Oliver | Kilmallock | 1798–1799 |
| James Butler | County Kilkenny | |
| Joseph Mason Ormsby | Gorey | 1799–1800 |
| Charles Osborne | Carysfort | |
| Henry Osborne | Carysfort | 1798–1799 |
| Enniskillen | 1800 |
| Edward Pakenham | Longford Borough | 1798–1800 |
| Thomas Pakenham | Longford Borough | |
| Sir John Parnell | Queen's County | |
| Richard Pennefather | Cashel | |
| Thomas Pepper | Kells | 1800 |
| William Plunket | Charlemont | |
| George Ponsonby | Galway Borough | |
| John Ponsonby | Dungarvan | |
| William Ponsonby | Fethard (County Tipperary) | |
| William Brabazon Ponsonby | County Kilkenny | |
| Richard Power | County Waterford | |
| Thomas Prendergast | Clonakilty | |
| Joseph Preston | Navan | |
| Thomas Prior | Bannow | March 1800 |
| Francis Aldborough Prittie | Doneraile | 1800 |
| Henry Prittie | Carlow | |
| Abel Ram | County Wexford | |
| George Harrison Reade | Fethard (County Wexford) | 1799–1800 |
| John Reilly | Blessington | |
| William Edmond Reilly | Hillsborough | 1800 |
| Sir William Richardson | Ballyshannon |
| Boyle Roche | Old Leighlin | |
| Gustavus Home Rochford | County Westmeath | |
| John Staunton Rochfort | Fore | |
| Lawrence Parsons | King's County | |
| Clotworthy Rowley | Downpatrick | |
| Sir Josias Rowley | Downpatrick | |
| Samuel Campbell Rowley | Kinsale | |
| William Rowley | Kinsale | |
| Robert Rutledge | Duleek | |
| Charles Ruxton | Ardee | 1798–1799 (resigned 1799) |
| William Ruxton | Ardee | |
| William Parkinson Ruxton | Ardee | 1799–1800 |
| Francis Saunderson | County Cavan | |
| William Saurin | Blessington | 1800 |
| Richard Fortescue Sharkey | Dungannon | 1800 |
| Edmond Stanley | Lanesborough | |
| Francis Savage | County Down | |
| James Savage | Callan | 1799–1800 |
| Henry Boyle | County Cork | |
| Sir Robert Shaw | Bannow | 1799 |
| Sir George Shee | Knocktopher | |
| Mark Singleton | Carysfort | 1800 |
| William John Skeffington | Antrim | |
| William Smyth | County Westmeath | |
| Marcus Somerville | County Meath | 1800 |
| Nathaniel Sneyd | Carrick | 1798–1800 |
| County Cavan | 1800 |
| Sir Richard St George | Athlone | 1789–1800 |
| Barry Boyle St Leger | Doneraile | 1798–1800 |
| Thomas Stannus | Portarlington | 1798–1800 |
| John Staples | County Antrim | |
| Sir Thomas Staples | Knocktopher | March 1800 |
| James Stewart | County Tyrone | |
| Sir John Stewart | Bangor | |
| John Straton | Dundalk | 1799–1800 |
| Francis Synge | Swords | |
| John Preston | Navan | |
| John Talbot | Ardfert | February 1800 |
| William Talbot | Kilkenny City | 1798–1800 |
| John Taylor | Fethard (County Tipperary) | |
| Robert Taylor | Kells | 1798–1800 |
| Henry Tighe | Inistioge | |
| Robert Tighe | Carick | 1800 |
| William Tighe | Inistioge | |
| Charles Tottenham | New Ross | |
| Ponsonby Tottenham | Clonmines | |
| Blayney Townley-Balfour | Belturbet | 1800 |
| John Townsend | Castlemartyr | |
| Thomas Townsend | Belturbet | |
| Charles Trench | Newtown Limavady | |
| Francis Trench | Ballynakill | 1800 |
| Sir John Tydd | Fore | 1798–1800 |
| Robert Uniacke | Youghal | |
| John Ormsby Vandeleur | Ennis | |
| William Mullins | Dingle | |
| James Verner | Dungannon | |
| George Vesey | Tuam | 1800 |
| John Waller | County Limerick | |
| David Walshe | Ballynakill | 1800 |
| Robert Ward | Bangor | |
| Henry Beresford | County Londonderry | |
| Patrick Welch | Callan | |
| James Wemys | Kilkenny City | |
| Nicholas Westby | County Wicklow | |
| Warner William Westenra | County Monaghan | |
| Thomas Whaley | Enniscorthy | |
| Ezekiel Davys Wilson | Carrickfergus | |
| Arthur Wolfe | Dublin City | 1798 (ennobled July 1798) |
| John Wolfe | Carlow | |
| Benjamin Blake Woodward | Midleton | |
| Owen Wynne | Sligo Borough | 1798–1800 |
| Robert Wynne | Sligo Borough | 1798–1799 |
| William Wynne | Sligo Borough | 1799–1800 |
| Walter Aglionby Yelverton | Tuam | |
|