| O'Cahane (link to entry) | Oxford, St.John's | Peirson (link to entry) |
| O'Callaghan (link to entry) | College (link to entry) | Pelham (link to entry) |
| Ochterlony (link to entry) | -- Magdelen College *(link to entry) | Pelissier (link to entry) |
| O'Davoren (link to entry) | -- Pembroke College (link to entry) | Pellew bis (link to entry) |
| Odingseles (link to entry) | -- University of *(link to entry) | Pelton (link to entry) |
| O'Donoval (link to entry) | Oxley (link to entry) | Pemberton (link to entry) |
| O'Drone (link to entry) | | Pembroke(Pembroc),
|
| Ogill (link to entry) | | earl of bis *(link to entry), (link to entry) |
| Ogilvie (link to entry), (link to entry), (link to entry) | | Pembruge (link to entry) |
| O'Hagan (link to entry) | Pace, Bp. (link to entry) | Penereche (link to entry) |
| O'Halie (link to entry) | Packwood (link to entry) | Penuston *(link to entry) |
| O'Hara (link to entry) | Paddon (link to entry) | Penfold (link to entry), (link to entry) |
| Ohenloyne (link to entry) | Pagenham (link to entry) | Penkerch (link to entry) |
| O'Kennedy (link to entry) | Palgrave *(link to entry) | Penkeridge (link to entry) |
| Okstede (link to entry) | Palmer (link to entry), bis (link to entry), (link to entry) | Pennington *(link to entry) |
| Oldcastle (link to entry) | Parincheff (link to entry) | Pentney, Priory (link to entry) |
| Oldham, Bp. (link to entry) | Paris (link to entry) | Penwalis (link to entry) |
| Oldmixon (link to entry) | -- Ville de (link to entry) | Penzret (link to entry), (link to entry) |
| O'Learie (link to entry) | Parish Clerks' Cmpy. (link to entry) | Pepys, Bp. *(link to entry) |
| Olier-Nointel (link to entry) | Parker (link to entry), (link to entry), (link to entry) | Perci, Henri de (link to entry) |
| Olinius (link to entry) | bis *(link to entry), Abp. (link to entry) | Percival *(link to entry) |
| Olivier (link to entry) | Parry (link to entry) | Percy (link to entry), *(link to entry) |
| O'Malley (link to entry) | Parsons (link to entry) | Periond (link to entry) |
| O'Murchoe (link to entry) | Partrick (link to entry) | Periton (link to entry) |
| Onslow (link to entry) | Partridge (link to entry) | Perot *(link to entry) |
| Oppin (link to entry) | Pashley (link to entry) | Perrot (link to entry) |
| Oradour (link to entry) | Paskin (link to entry) | Perse (link to entry) |
| Orcival (link to entry) | Pasquier (link to entry) | Pershore, Abbey (link to entry) |
| Orford, Bp. (link to entry), (link to entry) | Passerat de Silans (link to entry) | Pery (link to entry) |
| Orkney, See of (link to entry) | Patch (link to entry) | Peshall (link to entry) |
| Orleans (link to entry) | Paterson (link to entry) | Peterborough, See (link to entry) |
| Orlebar (link to entry) | Patrick. Bp. *(link to entry) | Petit *(link to entry) |
| Orleton, Bp. (link to entry) | Patten *(link to entry) | Petoe *(link to entry) |
| Ormesby (link to entry) | Patten-makers' Cmpy. (link to entry) | Petre(e) (link to entry), (link to entry) |
| Ory (link to entry) | Pau (link to entry) | Pettet (link to entry) |
| Osborne *(link to entry), (link to entry) | Paul (link to entry) | Petty *(link to entry) |
| O'Sinan (link to entry) | Paulmier (link to entry) | Petytt (link to entry) |
| Osney (link to entry) | Paulsworth (link to entry) | Pevensey (link to entry) |
| Oswald (link to entry) | Pauncefoot (link to entry) | Pewterers' Company (link to entry) |
| Otley, Bp. (link to entry) | Paunerton (link to entry) | Peyton (link to entry) |
| Otterbury (link to entry) | Paveley (link to entry), (link to entry) | Peyver (link to entry) |
| Ottley (link to entry) | Paviours' Company (link to entry) | Pheopowe (link to entry) |
| Oulry (link to entry) | Pavyot (link to entry) | Philibert, St. (link to entry) |
| Our Lady's Inn *(link to entry) | Pawne bis *(link to entry) | Philips *(link to entry) |
| Ousflet (link to entry) | Payler *(link to entry) | Phillip (link to entry) |
| Overton (link to entry) | Paynel (link to entry) | Physicians, College of
|
| Ovington (link to entry) | Paynter (link to entry), (link to entry) | (link to entry), (link to entry) |
| Owain (link to entry), (link to entry) | Payzant (link to entry) | Picard (link to entry) |
| Owen (link to entry), (link to entry), (link to entry) | Peacock (link to entry) | Picke (link to entry) |
| Abp. (link to entry) | Pearce (link to entry), Bp. (link to entry) | Pickering (link to entry), (link to entry) |
| Oxendon (link to entry) | Pearle (link to entry), (link to entry) | Pickford (link to entry) |
| Oxford, See of (link to entry), (link to entry) | Pearson (link to entry) | Pickwick (link to entry) |
| -- Bp. of (link to entry) | Peche (link to entry) | Pickworth (link to entry), (link to entry), (link to entry) |
| -- City of *(link to entry) | Peckham (link to entry), (link to entry) | Pierpoint (link to entry) |
| -- Earl of (link to entry), tris (link to entry) | Abp. *(link to entry) | Pierpount (link to entry), (link to entry) |
| -- Balliol College *(link to entry) | Pede (link to entry) | Pierse, Bp. (link to entry) |
| -- Christ Church *(link to entry) | Peer (link to entry) | Pigott (link to entry), (link to entry) |
| -- Exeter College (link to entry) | Pegge (link to entry) | Pigotts (link to entry) |
| -- St.Frideswide, | Pegrez (link to entry) | Pike (link to entry), (link to entry) |
| Priory (link to entry) | Peirce (link to entry) | Piketon (link to entry) |