| Abercorn, Dukes of, [Hamilton] | | Acton of West Aston | | Adair of Bellegrove | | Adams of Northlands | | Adams of Jamesbrook | | Alcock of Wilton | | Aldworth of Newmarket | | Alexander of Milford | | Alexander of Ahilly | | Alloway of The Derries | | Ancketill of Ancketill's Grove | | Anderson of Grace Dieu | | Annesley, Earls | | Antrim, Earls of, [McDonnell] | | Archbold of Davidstown | | Archdale of Castle Archdale | | Archdale, Baronets | | Arcy of New Forest, D' | | Arcy of Corbetstown, D' | | Ardilaun, Barons (extinct), [Guinness] | | Armitage of Atherdee, Coole, and Drumin | | Armstrong of Garry Castle | | Armstrong of Willow Bank | | Armstrong of Castle Iver | | Armstrong of Mealiffe and Chaffpool | | Armstrong, Baronets | | Armstrong of Lismoher | | Arnott, Baronets | | Arran, Earls of, [Gore] | | Arthur of Glanomera | | Ashbrook, Viscounts , [Flower] | | Ashtown, Barons , [Trench] | | Ashworth of Ashworth, Elland, and Hall Carr | | Athy of Renville | | Atkins of Firville | | Atkins of Waterpark | | Atkinson of Rehins | | Atkinson of Ashley Park | | Atkinson of Cangort | | Atkinson of Glenwilliam | | Auchinleck of Crevenagh | | Aylmer, Barons | | Aylmer, Baronets | | Aylmer of Courtown | | Bagenal of Benekerry | | Bagot of Ballymoe | | Bagwell of Marlfield | | Bailie of Ringdufferin | | Bainbridge of Frankfield | | Baker of Lismacue | | Balfe of South Park | | Balfour of Townley Hall | | Ball, Baronets | | Bandon, Earls of, [Bernard] | | Bangor, Viscounts , [Ward] | | Barbour, Baronets (extinct) | | Barnewall, Baronets | | Barrington, Viscounts | | Barrington of Limerick, Baronets | | Barry of Lemlara | | Barry of Sandville | | Barry of Castle Cor | | Barry of Kilbolane Castle | | Barton of The Waterfoot | | Barton of Straffan House | | Barton of Grove | | Barton of Greenfort | | Barton of Glendalough House | | Bathe, Baronets de (extinct) | | Batt of Rathmullan | | Battersby of Loughbawn | | Battley of Belvedere Hall | | Bayly of Ballyarthur | | Beamish of Half-Way Street House | | Beamish of Ashbourne | | Beamish of Kilmalooda | | Bellew, Barons | | Bellingham, Baronets | | Belmore, Earls , [Lowry-Corry] | | Bennett of Castle Roe | | Bennett of Thomaston Park | | Beresford of Learmount | | Beresford-Peirse, Baronets | | Bernard of Castle Bernard | | Bernard of Castle Hacket | | Bessborough, Earls of, [Ponsonby] | | Bingham of Bingham Castle | | Blackburne of Tankardstown | | Blacker of Woodbrook | | Blacker-Douglass of Grace Hill | | Blackwood, Baronets | | Blake, Baronets | | Blake of Ballyglunin Park | | Blake of Annefield | | Blake of Renvyle | | Blake of Towerhill | | Blake of Heath House | | Blake of Ballinafad | | Blake de Burgh of Coolcon | | Blakeney of Castle Blakeney | | Bland of Derriquin | | Bland of Blandsfort | | Blennerhassett, Baronets | | Blennerhassett of Ballyseedy | | Blennerhassett of Kells | | Blennerhassett of Riddlestown | | Blood of Ballykilty | | Bloomfield of Castle Caldwell | | Blunden, Baronets | | Bodkin of Annagh | | Bolton of The Island | | Bolton of Mount Bolton | | Bolton of Tullydonnell | | Bomford of Oakley Park | | Bomford of Gallow Ferrans | | Bonham of Ballintaggart | | Bonynge of Ballintobber | | Borrowes of Gilltown | | Bourchier of Baggotstown | | Bourke of Thornfields | | Bourke of Curraghleagh | | Bourke of Heathfield | | Bowen of Hollymount | | Bowen of Bowen's Court | | Bowles of Ahern | | Boyd, Baronets | | Boyd of Ballymacool | | Boyne, Viscounts , [Hamilton-Russell] | | Boyse of Bannow | | Brabazon of Tara House | | Brady, Baronets (extinct) | | Brinkley of Fortland | | Briscoe of Riverdale | | Brooke [Brooke of Summerton], Baronets | | Brooke of Summerton | | Brooke of Dromavana | | Brown of Clonboy | | Browne of Rathain | | Browne of Breaghwy | | Browne of Riverstown | | Browne-Clayton of Browne's Hill | | Brownrigg, Baronets | | Bruce of Downhill, Baronets | | Bruce of Benburb | | Bruce of Miltown Castle | | Bruen of Oek Park and Coolbawn | | Bryan of Jenkinstown | | Bryan of Upton | | Buchanan of Edenfel | | Budgen of Ballindoney | | Burdett of Coolfin and Ballymany | | Burdett of Cushcallow | | Burges of Parkanaur | | Burgh of Dromkeen and Donore, de | | Burgh of Oldtown, de | | Burke, Baronets | | Burke of Ballydugan | | Burke of Ower | | Burke of St. Clerans (extinct) | | Burrowes of Lismore | | Burrowes of Stradone House | | Burton of Carrigaholt Castle | | Burton of Burton Hall | | Bury of Charleville Forest | | Bury of Little Island and Curraghbridge | | Bury-Barry of Ballyclough | | Bushe of Glencairn Abbey | | Butler of Cloughgrenan, Baronets | | Butler-Creagh of Walterstown | | Byrne of Cabinteely [O'Byrne of C.] | | Cable-Alexander, Baronets | | Caddell of Harbourstown (extinct) | | Caldwell of New Grange | | Caledon, Earls of, [Alexander] | | Carbery, Barons , [Evans-Freke] | | Carden of Barnane | | Carden, Baronets | | Carden of Fishmoyne | | Carew, Barons , [Conolly] | | Carew of Ballinamona Park | | Carleton of Clare | | Carrick, Earls of, [Butler] | | Carrington of Bulcot Lodge, Barons , [Carington] | | Carroll of Ashford | | Carson of Shanroe | | Carter of Shaen Manor | | Casement of Magherintemple | | Cassan of Sheffield | | Cassidi of Glenbrook | | Castle Stewart, Earls , [Stuart] | | Castlemaine, Barons , [Handcock] | | Caulfeild of Donamon | | Cavan, Earls of, [Lambart] | | Chambré of Dungannon | | Charlemont, Viscounts , [Caulfeild] | | Charley of Seymour Hill | | Charteris of Cahir | | Chearnley of Salterbridge | | Cherois of Donaghadee, de La | | Cherois-Crommelin of Carrowdore Castle, de La | | Chetwynd, Viscounts | | Chevers of Killyan | | Chute of Chute Hall | | Clancarty, Earls of, [Le Poer Trench] | | Clanmorris, Barons , [Bingham] | | Clanwilliam, Earls of, [Meade] | | Clark of Dunlambert, Baronets | | Clark of Largantogher | | Cleland of Stormont Castle | | Cleland of Rath-Gael | | Clements of Ashfield | | Clements of Rathkenny | | Clibborn of Moate | | Clifden, Viscounts (extinct), [Agar-Robartes] | | Cliffe of Bellevue | | Close of Drumbanagher | | Coates, Baronets | | Cobbe of Newbridge House | | Cochrane, Baronets | | Coddington of Oldbridge | | Cogan of Tinode | | Colclough of Tintern Abbey | | Cole of Woodview | |
| Colhoun of Carrickballydoey | | Collins of Ardnalee | | Collis of Tieraclea | | Colomb of Dromquinna and Dunkerron | | Colthurst of Dripsey | | Colthurst, Baronets | | Comyn of Woodstock and Kilcorney | | Congreve of Mount Congreve | | Connellan of Coolmore | | Conner of Ballybricken | | Conner of Manch | | Conolly of Castletown | | Conyngham, Marquesses | | Cooke of Kiltinane | | Cooke-Collis of Castle Cooke | | Cooper of Markree Castle | | Cooper of Cooper's Hill | | Cooper of Killenure | | Cooper-Chadwick of Ballinard | | Coote, Baronets | | Coote of Ballyclough Castle and Bearforest | | Coote of Mount Coote | | Cope of Loughgall Manor | | Cope of Drummilly | | Coppinger of Midleton | | Cork and Orrery, Earls of, [Boyle] | | Cornock of Cromwellsport | | Corry, Baronets | | Cosby of Stradbally | | Cotter, Baronets | | Courtown, Earls of, [Stopford] | | Cox of Ballynoe | | Cramer of Ballindinisk | | Crawford of Stonewold | | Creagh of Bally Andrew | | Creagh of Cahirbane | | Creagh of Dangan | | Creagh of Creagh Castle | | Crichton of Derk Lodge | | Crofton, Barons | | Crofton of Longford House, Baronets | | Crofton of Mohill, Baronets | | Crofton of Lakefield | | Crofts of Velvetstown | | Croker of The Grange | | Croker of Ballynagarde | | Cronin-Coltsmann of Glenflesk Castle | | Crosbie, Baronets (extinct) | | Crosbie of Ballyheigue | | Crowe of Dromore House | | Cullen of Corry | | Cunningham, Baronets (extinct) | | Cuppage of Mount Edwards | | Cusack of Gerardstown | | Cusack-Smith, Baronets (extinct) | | Dalway of Carrickfergus | | Daly of Castle Daly | | Daly of Raford | | Dames of Greenhill | | Daniel of Lough Ree | | Daniell of New Forest | | Darnley, Earls of, [Bligh] | | Daunt of Kilcascan | | Daunt of Tracton Abbey | | Davis-Goff, Baronets | | Deane of Glendaragh | | Dease of Turbotston | | Decies, Barons , [de la Poer Beresford] | | Delap of Monellan | | Dennis of Fort Granite | | Denny of Castle Moyle, Baronets | | Denny of Moorstown and Drumlone | | Devenish of Mount Pleasant | | Devereux of Ballyrankin | | Dick of County Wicklow | | Dickson of Woodville | | Digby, Barons | | Dillon, Viscounts | | Dillon of Lismullen, Baronets | | Dobbin of Armagh | | Dobbs of Castle Dobbs | | Dobbs of Glenariffe Lodge | | Dolling of Magheralin | | Dolmage of Rathkeale [Delmege of R.] | | Dolphin of Turoe | | Donegall, Marquesses of, [Chichester] | | Donelan of Sylan | | Doneraile, Viscounts , [St. Leger] | | Donoughmore, Earls of, [Hely-Hutchinson] | | Donovan of Ballymore | | Downe, Viscounts , [Dawney] | | Downshire, Marquesses of, [Hill] | | Doyle, Baronets | | Doyne of Wells | | Drake of Stokestown | | Drew of Drewscourt | | Drew of Mocollop | | Drogheda, Earls of, [Moore] | | Drought of Lettybrook | | Drought of Whigsboro' | | Drought of Glencarrig | | Duckett of Duckett's Grove | | Duke of Newpark | | Dunalley, Barons , [Prittie] | | Dunboyne, Barons , [Butler] | | Dundas of Clobemon Hall | | Dunne of Brittas | | Dunraven and Mount-Earl, Earls of, [Wyndham-Quin] | | Dunsany, Barons of, [Plunkett] | | Dunscombe of Mount Desert | | Echlin, Baronets | | Echlin of Ardquin | | Edge of Clonbrock | | Edgeworth of Edgeworthstown | | Edgeworth of Kilshrewly | | Egmont, Earls of, [Perceval] | | Ellis of Sea Park | | Ely, Marquesses of, [Tottenham] | | Enniskillen, Earls of, [Cole] | | Erne, Earls of, [Crichton] | | Esmonde, Baronets | | Eustace of Baltinglass | | Eustace of Castlemore | | Eustace of Newstown | | Evans of Carker | | Evans of Gortmerron House | | Evans of Rockfield | | Everard, Baronets | | Everard of Randlestown | | Ewart, Baronets | | Falkiner, Baronets | | Fallon of Netterville Lodge | | Farmar of Bloomfield | | Farnham, Barons , [Maxwell] | | Farrell of Moynalty | | Fermoy, Barons , [Roche] | | Ferrall of Augher Castle | | Fetherstonhaugh of Bracklyn Castle | | Fetherstonhaugh of Rockview | | Fetherstonhaugh of Carrick | | Ffolliott of Hollybrook House | | Ffrench, Barons | | Ffrench of Monivea | | Filgate of Lissrenny | | Finch of Tullamore Park | | Fingall, Earls of, [Plunkett] | | Finlay of Corkagh | | Finny of Leixlip | | Fitz-Gerald of Glin | | Fitzgerald of Geraldine Place, Baronets | | Fitzgerald of Valencia, Baronets | | Foster of Stonehouse, Baronets (extinct) | | Gage, Viscounts | | Galway, Viscounts , [Monckton-Arundell] | | Gardner, Barons (extinct) | | Garvagh, Barons , [Canning] | | Gethin, Baronets | | Godfrey, Baronets (extinct) | | Goold, Baronets | | Gore, Baronets | | Gore-Booth, Baronets | | Gormanston, Viscounts , [Preston] | | Gort, Viscounts , [Vereker] | | Gosford, Earls of, [Acheson] | | Goulding, Baronets | | Graham of Dromore, Baronets | | Granard, Earls of, [Forbes] | | Grattan-Bellew, Baronets | | Graves, Barons | | Guillamore, Viscounts (extinct), [O'Grady] | | Guinness, Baronets | | Gun-Cuninghame of Mount Kennedy | | Hall-Dare of Newtownbarry | | Harberton, Viscounts , [Pomeroy] | | Hardinge, Baronets | | Harold-Barry of Ballyvonare | | Harty, Baronets | | Hawarden, Viscounts , [Maude] | | Headfort, Marquesses of, [Taylour] | | Headley, Barons , [Allanson-Winn] | | Heaton-Armstrong of Farney Castle and Mount Heaton | | Hendrick-Aylmer of Kerdiffstown | | Henniker, Barons , [Major] | | Henry, Baronets | | Hill of Brook Hall, Baronets | | Hoare of Annabella, Baronets | | Hodson, Baronets | | Hood, Viscounts | | Horsbrugh-Porter, Baronets | | Hotham, Barons | | Hume of Humewood | | Huntingfield, Barons , [Vanneck] | | Inchiquin, Barons , [O'Brien] | | Innes-Cross of Dromantine | | James, Baronets (extinct) | | Jerningham of Harbourstown | | Jervis-White-Jervis, Baronets (extinct) | | Johnson-Walsh, Baronets (extinct) | | Keane, Baronets | | Kellett, Baronets | | Kennedy, Baronets | | Kensington, Barons , [Edwardes] | | Kilmaine, Barons , [Browne] | | Kilmorey, Earls of, [Needham] | | King of Charlestown, Baronets | | Kingsale, Barons , [de Courcy] | | Kingston, Earls of, [King-Tenison] | | Knox-Browne of Aughentaine Castle | | Lambart, Baronets | | Lanesborough, Earls of, [Butler] | | Langford, Barons , [Rowley-Conwy] | | Langrishe, Baronets | | Lees of Blackrock, Baronets | | Leicester, Baronets | | Leinster, Dukes of, [FitzGerald] | | Lenox-Conyngham of Spring Hill | | Leslie of Glaslough, Baronets | | Levinge, Baronets | | Lifford, Viscounts , [Hewitt] | | Lighton, Baronets | | Lighton, Baronets | | Limerick, Earls of, [Pery] | | Lisburne, Earls of, [Vaughan] | |
| Lisle, Barons , [Lysaght] | | Listowel, Earls of, [Hare] | | Londonderry, Marquesses of, [Vane-Tempest-Stewart] | | Longford, Earls of, [Pakenham] | | Louth, Barons , [Plunkett] | | Lucan, Earls of, [Bingham] | | Lynch-Blosse, Baronets | | Lynch-Robinson, Baronets | | Macartney, Baronets | | Macartney-Filgate of Lowtherstone | | Macdonald, Barons | | Macnaghten, Baronets | | Madden, Baronets | | Mahon, Baronets | | Massareene and Ferrard, Viscounts , [Skeffington] | | Massy, Barons | | Massy-Dawson of New Forest and Ballynecourte | | Maxwell of St. Clerans | | Mayo, Earls of, [Bourke] | | McCarthy-O'Leary of Coomlagane | | McConnell, Baronets | | Meath, Earls of, [Brabazon] | | Meredyth, Baronets (extinct) | | Mexborough, Earls of, [Savile] | | Milltown, Earls of (extinct), [Leeson] | | Molesworth, Viscounts | | Molony, Baronets | | Monck, Viscounts | | Montmorency, Baronets de | | Montmorency of Castle Morres, de | | Moore of Moore Lodge, Baronets | | Mountgarret, Viscounts , [Butler] | | Mulholland, Baronets | | Musgrave of Tourin, Baronets | | Muskerry, Barons , [Deane] | | Napier of Merrion Square, Baronets | | Newborough, Barons , [Wynn] | | Nixon, Baronets | | Normanton, Earls of, [Agar] | | Nugent of Ballinlough, Baronets | | Nugent of Cloncoskoran, Baronets (extinct) | | Nugent of Donore, Baronets | | Nugent of Portaferry, Baronets (extinct) | | Nutting, Baronets | | O'Beirne of Jamestown Lodge | | O'Brien of Lothbury, Barons | | O'Brien, Baronets | | O'Brien of Ballynalacken | | O'Byrn of Timogue, Baronets | | O'Callaghen of Cadogan | | O'Connell, Baronets | | O'Connell of Darrinane Abbey | | O'Connor of Dundermott | | O'Conor of Mount Druid | | O'Conor of Milton | | O'Conor Don | | O'Donnell | | O'Donoghue of The Glens | | O'Donovan of Clan Cathal | | O'Donovan of O'Donovan's Cove | | O'Farrell of Dalyston | | O'Ferrall of Balyna | | O'Fflahertie of Lemonfield | | O'Grady of Kilballyowen | | O'Grady of Castle Garde | | O'Hagan, Barons , [Strachey] | | O'Hara of Annaghmore | | O'Hara of Crebilly | | O'Hara of O'Hara Brook | | O'Kelly of Gallagh | | O'Kelly of Gurtray | | O'Kelly of Barrettstown | | O'Loghlen, Baronets | | O'Malley of Newcastle | | O'Neill, Barons | | O'Neill of the Maine, Barons | | O'Reilly of Baltrasna | | O'Reilly of The Heath House | | O'Reilly of Knock Abbey Castle | | O'Reilly of Rathaldron Castle | | O'Rorke of Ballybollan | | O'Rourke, Grafen | | O'Shee of Gardenmorris | | Odell of Carriglea | | Ogilby of Ardnargle | | Ogilby of Altnachree Castle | | Oliver of Cherrymount | | Olphert of Ballyconnell | | Oranmore and Browne, Barons , [Browne] | | Orme of Abbeytown | | Orme of Glenmore | | Orme of Owenmore | | Orme of Ballycorroon | | Ormonde, Marquesses of, [Butler] | | Ormsby of Ballinamore | | Ormsby of Gortner Abbey | | Orpen of Ardtully | | Orpen of Killaha Castle | | Osborne of Newtown Anner | | Osborne, Baronets | | Otway of Castle Otway | | Owens of Holestone | | Pack-Beresford of Fenagh | | Palles of Mount Palles | | Palliser of Derryluskan | | Palmer of Rahan House | | Palmer of Summer Hill | | Parke of Dunally | | Parker of Castle Lough | | Parnell of Avondale | | Patrick of Dunminning | | Paul, Baronets (extinct) | | Pennefather of Rathsallagh | | Pennington of Thickthorn | | Penrose of Shandangan | | Peppard of Cappagh House | | Pepper of Ballygarth | | Pepper of Lisanisky | | Perceval of Temple House | | Perrier of Cork | | Perry of Woodrooff | | Persse of Roxborough | | Persse of Moyode | | Petrie, Baronets | | Peyton of Laheen | | Peyton of Driney House | | Phillips of Glenview | | Phillips-Conn of Mount Ida | | Piers, Baronets | | Pigott of Slevoy | | Pigott of Eagle Hill | | Pigott, Baronets | | Pile, Baronets | | Pilkington of Tore | | Poe of Harley Park | | Poe of Riverston and Derrinvohill | | Poe of Solsborough | | Poer of Gurteen, de la | | Poer of Belleville Park | | Pollard-Urquhart of Castle Pollard | | Pollock of Mountainstown | | Pollok of Lismany | | Ponsonby of Inchiquin [Talbot-Ponsonby of I.] | | Poole of Mayfield | | Pooler of Tyross | | Portarlington, Earls of, [Dawson-Damer] | | Porter of Kilskeery | | Pounden of Ballywalter House | | Powell of Clonshavoy | | Power of Faithlegg | | Power of Snow Hill | | Power of Roe Buck Haouse, Baronets (extinct) | | Power of Kilfane, Baronets (extinct) | | Pratt of Cabra Castle | | Preston of Bellinter | | Preston of Swainston | | Price of Saintfield | | Purcell of Altamira | | Purcell of Burton House | | Purdon of Tinerana | | Purdon of Curristown | | Purdon of Lisnabin | | Purefoy of Greenfield | | Putland of Brayhead | | Puxley of Dunboy Castle | | Ranfurly, Earls of, [Knox] | | Rathdonnell, Barons , [McClintock-Bunbury] | | Reilly of Scarvagh [O'Reilly of Sc.] | | Rendlesham, Barons , [Thellusson] | | Richardson-Bunbury, Baronets | | Roberts of Brightfieldstown, Baronets | | Roche, Baronets | | Roden, Earls of, [Jocelyn] | | Roper-Caldbeck of Moyle Park | | Ross of Dunmoyle, Baronets (extinct) | | Rosse, Earls of, [Parsons] | | Rossmore, Barons , [Westenra] | | Savage-Armstrong of Corratinner | | Sefton, Earls of (extinct), [Molyneux] | | Shannon, Earls of, [Boyle] | | Sharman-Crawford of Crawfordsburn | | Shaw of Bushy Park, Baronets | | Sligo, Marquesses of, [Browne] | | Smiley, Baronets | | Somerville, Baronets (extinct) | | Southwell, Viscounts | | St. George, Baronets | | Stafford-King-Harman, Baronets | | Stamer, Baronets | | Staples, Baronets | | Stewart of Ramelton, Baronets | | Stewart of Athenree, Baronets | | Stronge, Baronets | | Sullivan of Tullylease [O'Sullivan] | | Sullivan of Curramore | | Sullivan of Garryduff, Baronets (extinct) | | Synge, Baronets | | Talbot of Malahide, Barons | | Talbot-Crosbie of Ardfert Abbey | | Teignmouth, Barons , [Shore] | | Templetown, Viscounts , [Upton] | | Trimlestown, Barons , [Barnewall] | | Tuite, Baronets | | Valentia, Viscounts , [Annesley] | | Ventry, Barons , [Eveleigh-de-Moleyns] | | Verner, Baronets (extinct) | | Vesci, Viscounts de, [Vesey] | | Voeux, Baronets des (extinct) | | Walker of Pembroke House, Baronets | | Waller of Newport, Baronets | | Warren, Baronets | | Waterford, Marquesses of, [Beresford] | | Weldon, Baronets | | Westmeath, Earls of, [Nugent] | | Westropp-Dawson of Charlesfort | | Wicklow, Earls of (extinct), [Forward-Howard] | | Wogan-Browne of Castle Browne | | Wolseley of Mount Wolseley, Baronets | | Wright-Armstrong of Killylea | | Wrixon-Becher, Baronets | | Young of Bailieborough Castle, Baronets | | | | | |