Name statistics for counties and areas | Derbyshire name index
Surnames of Derbyshire (DBY) from O to Ozley
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The number following each of the 765 surnames shows the approximate number of people, excluding parents at baptism, witnesses at a wedding and so on.
| O - 121 | O' - 20 | O'b - 1 | O'bailey - 6 | O'beirne - 1 |
| O'brian - 72 | O'brien - 241 | O'brine - 6 | O'brion - 7 | O'bryan - 7 |
| O'bryen - 6 | O'bryin - 1 | O'byrne - 1 | O'callaghan - 7 | O'callighan - 2 |
| O'connal - 2 | O'connall - 1 | O'connell - 18 | O'conner - 8 | O'connor - 136 |
| O'connors - 1 | O'conor - 1 | O'dair - 1 | O'dall - 1 | O'danold - 1 |
| O'day - 8 | O'dea - 1 | O'dell - 6 | O'doherty - 1 | O'donaghue - 1 |
| O'donald - 6 | O'donall - 1 | O'donel - 1 | O'donell - 4 | O'donnall - 7 |
| O'donnel - 3 | O'donnele - 1 | O'donnell - 105 | O'donoghue - 2 | O'donoughue - 1 |
| O'donovan - 2 | O'dowd - 5 | O'dowda - 1 | O'dwyer - 3 | O'farrel - 1 |
| O'farrell - 2 | O'ferral - 3 | O'ferrall - 1 | O'flaherty - 1 | O'flanagan - 1 |
| O'flynn - 2 | O'gara - 17 | O'gard - 1 | O'gorman - 2 | O'gradey - 3 |
| O'grady - 35 | O'gready - 5 | O'hagan - 1 | O'haire - 2 | O'halloran - 1 |
| O'handlen - 1 | O'har - 1 | O'hara - 25 | O'harah - 1 | O'hare - 10 |
| O'haro - 2 | O'harrow - 1 | O'hassey - 2 | O'hora - 2 | O'karry - 2 |
| O'keefe - 8 | O'keeffe - 5 | O'kinnaird - 1 | O'kura - 1 | O'leary - 52 |
| O'loughlan - 1 | O'loughlin - 1 | O'loughlon - 1 | O'louglin - 1 | O'mahoney - 1 |
| O'maley - 3 | O'malley - 3 | O'mallia - 1 | O'mara - 3 | O'mealey - 2 |
| O'meara - 3 | O'melia - 4 | O'nail - 1 | O'neal - 26 | O'neale - 3 |
| O'neil - 96 | O'neill - 92 | O'neld - 1 | O'nele - 1 | O'niel - 2 |
| O'niele - 3 | O'niell - 15 | O'reardon - 1 | O'regan - 1 | O'reilly - 7 |
| O'riley - 4 | O'rooke - 1 | O'rorke - 1 | O'rourk - 2 | O'rourke - 5 |
| O'shaw - 1 | O'shea - 36 | O'sullivan - 4 | O'toole - 7 | Oabyn - 1 |
| Oades - 1 | Oadige - 2 | Oadley - 6 | Oag - 6 | Oak - 3 |
| Oakam - 3 | Oakby - 2 | Oakden - 683 | Oakdene - 1 | Oakdes - 8 |
| Oakdin - 1 | Oakdon - 12 | Oakeley - 10 | Oakely - 1 | Oaken - 3 |
| Oaker - 1 | Oakerton - 1 | Oakes - 676 | Oakey - 66 | Oakford - 1 |
| Oakham - 1 | Oakhous - 1 | Oakin - 1 | Oakland - 44 | Oaklands - 1 |
| Oakles - 1 | Oakley - 1189 | Oakly - 21 | Oaks - 51 | Oaksford - 4 |
| Oaksley - 16 | Oaksly - 1 | Oakten - 1 | Oakton - 46 | Oalum - 1 |
| Oaner - 1 | Oara - 1 | Oardon - 1 | Oarm - 2 | Oarnston - 6 |
| Oarton - 1 | Oaten - 1 | Oates - 494 | Oatey - 17 | Oatham - 1 |
| Oathwaite - 2 | Oatnall - 1 | Oats - 27 | Oaxley - 1 | Obarnderfer - 1 |
| Obbinson - 6 | Obdey - 1 | Oberfield - 2 | Obern - 2 | Oberton - 1 |
| Obery - 3 | Obey - 1 | Oborn - 1 | Oborne - 2 | Obrian - 4 |
| Obrien - 36 | Obrion - 1 | Obriyn - 1 | Obryan - 7 | Obryin - 1 |
| Obson - 8 | Occleston - 2 | Ochrli - 1 | Ockenden - 2 | Ockerby - 1 |
| Ockerdon - 1 | Ockershausen - 4 | Ockford - 1 | Ockingham - 1 | Ockleston - 1 |
| Ockley - 17 | Ocksley - 2 | Ockwell - 1 | Ocler - 1 | Oconner - 1 |
| Oconnor - 9 | Odale - 6 | Odam - 9 | Odams - 12 | Odar - 1 |
| Odborne - 1 | Odd - 5 | Oddie - 1 | Oddy - 34 | Odeley - 3 |
| Odell - 47 | Oders - 1 | Odershaw - 1 | Odery - 12 | Odey - 1 |
| Odgen - 3 | Odgin - 1 | Odill - 1 | Odin - 3 | Odingfall - 1 |
| Odish - 2 | Odkin - 1 | Odkinson - 3 | Odkisson - 1 | Odlin - 1 |
| Odling - 4 | Odom - 1 | Odonald - 2 | Odonel - 1 | Odonnall - 4 |
| Odonnel - 1 | Odonnell - 5 | Odshead - 3 | Odson - 4 | Oduryer - 1 |
| Odwyer - 1 | Oelever - 1 | Oerton - 2 | Oesterling - 1 | Of - 5 |
| Offeler - 1 | Offelow - 1 | Offer - 21 | Offerer - 1 | Officer - 2 |
| Offiler - 71 | Offiller - 1 | Offillier - 1 | Offilow - 4 | Offler - 44 |
| Offles - 11 | Offley - 50 | Offlow - 17 | Offon - 1 | Offord - 11 |
| Offrey - 1 | Offwood - 1 | Ofice - 2 | Ofield - 11 | Ofspring - 1 |
| Ogan - 23 | Ogara - 1 | Ogden - 805 | Ogdon - 117 | Ogg - 8 |
| Ogglesby - 2 | Ogilio - 1 | Ogill - 2 | Ogilvie - 34 | Ogilvoie - 1 |
| Ogin - 3 | Ogle - 118 | Ogleby - 1 | Ogler - 1 | Ogles - 1 |
| Oglesbee - 2 | Oglesby - 12 | Ogley - 5 | Ogorman - 1 | Ogrady - 7 |
| Ogton - 2 | Ohanay - 1 | Ohar - 1 | Ohara - 16 | Oherrett - 7 |
| Ohrarer - 1 | Oicfowell - 3 | Oildfield - 1 | Ojala - 1 | Okedon - 1 |
| Okeley - 3 | Okell - 5 | Okelly - 1 | Okely - 2 | Okeover - 13 |
| Okes - 7 | Okesley - 1 | Okin - 1 | Okins - 1 | Okley - 4 |
| Oland - 1 | Olarenshaw - 1 | Olasagasti - 1 | Olaye - 2 | Olbeson - 4 |
| Olbinson - 1 | Olbison - 7 | Olbiston - 2 | Old - 13 | Oldacre - 8 |
| Oldacres - 4 | Oldah - 6 | Oldaker - 8 | Oldakers - 1 | Oldale - 40 |
| Oldall - 20 | Oldam - 11 | Oldbadeston - 1 | Oldbrook - 2 | Oldburey - 1 |
| Oldbury - 37 | Oldcroft - 2 | Olden - 10 | Oldenshaw - 1 | Older - 1 |
| Olderenshaw - 1 | Olders - 1 | Oldershaw - 502 | Oldeshaw - 3 | Oldfeild - 8 |
| Oldfield - 2056 | Oldgate - 3 | Oldham - 1240 | Olding - 3 | Oldish - 3 |
| Oldken - 1 | Oldkno - 3 | Oldknow - 642 | Oldknowe - 3 | Oldknowl - 3 |
| Oldknowle - 2 | Oldman - 24 | Oldnall - 1 | Oldnol - 1 | Oldnoul - 1 |
| Oldnow - 4 | Oldrad - 1 | Oldrenshaw - 8 | Oldridge - 7 | Oldroyd - 7 |
| Oldroyde - 5 | Olds - 4 | Oldthrow - 1 | Olea - 1 | Olerenshaw - 112 |
| Olerinshaw - 1 | Olershaw - 1 | Olfield - 1 | Olford - 1 | Oliphant - 11 |
| Olivant - 7 | Olive - 10 | Olivent - 28 | Oliver - 1505 | Olivers - 6 |
| Olives - 1 | Olivier - 12 | Olivir - 1 | Olk - 1 | Olknow - 2 |
| Ollanar - 1 | Ollard - 2 | Ollarenshaw - 3 | Ollelie - 1 | Ollenshaw - 1 |
| Olleranshaw - 2 | Ollercushaw - 1 | Ollerearnshaw - 4 | Ollerenshaw - 1395 | Ollerernshaw - 2 |
| Ollereshaw - 1 | Ollerewshaw - 2 | Ollerhead - 3 | Ollernshaw - 28 | Ollerrenshaw - 4 |
| Ollershaw - 1 | Ollett - 4 | Ollewell - 19 | Olley - 35 | Ollier - 12 |
| Olliffe - 3 | Ollilye - 1 | Olliphant - 1 | Ollis - 2 | Ollivant - 45 |
| Ollive - 2 | Ollivent - 5 | Olliver - 50 | Ollorenshaw - 5 | Ollurenshaw - 8 |
| Ollwin - 1 | Olman - 8 | Olner - 27 | Olney - 51 | Olorenshaw - 8 |
| Olphert - 1 | Olpin - 1 | Olroyd - 1 | Olsen - 4 | Olsten - 5 |
| Oltfield - 2 | Oltoft - 1 | Olver - 2 | Olvey - 1 | Olwin - 1 |
| Olyver - 1 | Omar - 15 | Omean - 5 | Omeara - 2 | Omelia - 6 |
| Omer - 6 | Omerod - 2 | Onac - 1 | Ondish - 8 | Oneal - 1 |
| Oneil - 1 | Oneill - 10 | Oneilly - 1 | Oner - 1 | Onians - 2 |
| Oniell - 1 | Onion - 80 | Onions - 95 | Onley - 6 | Only - 1 |
| Onn - 2 | Onslow - 1 | Onslowe - 2 | Ony - 1 | Onyett - 1 |
| Onyon - 3 | Ood - 1 | Ooliver - 4 | Openshaw - 137 | Ophinson - 1 |
| Ophir - 1 | Opie - 1 | Opley - 4 | Oplin - 2 | Opofft - 1 |
| Oppenheimer - 2 | Or - 416 | Orabin - 1 | Oram - 96 | Orams - 3 |
| Oran - 3 | Orange - 110 | Orangebromehead - 1 | Orbe - 1 | Orbel - 1 |
| Orbell - 9 | Orbind - 1 | Orbiston - 1 | Orchard - 416 | Orchardson - 2 |
| Orcher - 1 | Orchid - 1 | Ord - 28 | Ordage - 1 | Orde - 9 |
| Orders - 1 | Ordesh - 1 | Ordidg - 1 | Ordidge - 49 | Ordige - 3 |
| Ordinall - 1 | Ordish - 435 | Ordoyne - 1 | Ordoyno - 4 | Ordridge - 6 |
| Ordswell - 2 | Ordyno - 1 | Ore - 2 | Oredish - 3 | Oreham - 3 |
| Orell - 6 | Orem - 2 | Orene - 1 | Orenshaw - 10 | Oreton - 2 |
| Orfe - 1 | Orford - 7 | Organ - 30 | Orgel - 1 | Orgell - 1 |
| Orgil - 2 | Orgile - 6 | Orgill - 382 | Orgyl - 1 | Orgyll - 1 |
| Oridge - 27 | Oriel - 2 | Oril - 1 | Orill - 3 | Orime - 1 |
| Orine - 4 | Oringe - 3 | Oriokett - 1 | Oriss - 1 | Orkard - 4 |
| Orleans - 2 | Orm - 10 | Orman - 14 | Ormand - 4 | Ormandy - 1 |
| Ormaston - 2 | Orme - 2329 | Ormerod - 27 | Ormes - 34 | Ormesher - 3 |
| Ormeston - 1 | Ormey - 1 | Ormiston - 5 | Ormnston - 1 | Ormond - 56 |
| Ormonde - 1 | Ormrod - 13 | Ormsby - 6 | Ormson - 3 | Ormston - 5 |
| Ormund - 1 | Orobin - 2 | Oron - 1 | Orourke - 1 | Orpe - 60 |
| Orpin - 4 | Orpley - 1 | Orpwood - 2 | Orr - 68 | Orrabin - 1 |
| Orrage - 1 | Orrall - 1 | Orrand - 1 | Orrange - 1 | Orred - 2 |
| Orrel - 1 | Orrell - 49 | Orridge - 147 | Orrill - 77 | Orrin - 1 |
| Orringe - 2 | Orris - 11 | Orriss - 13 | Orritt - 29 | Orsall - 1 |
| Orsborne - 10 | Orse - 2 | Orsman - 2 | Orson - 7 | Orstin - 1 |
| Ortega - 1 | Ortmann - 1 | Orton - 358 | Ortori - 1 | Ortton - 4 |
| Orvant - 6 | Orvill - 7 | Orvin - 3 | Orviss - 1 | Orwell - 1 |
| Orwen - 12 | Orwin - 360 | Orwn - 1 | Osbaldeston - 85 | Osbaldinton - 2 |
| Osbaldister - 1 | Osbaldiston - 140 | Osbaldistone - 1 | Osband - 4 | Osbaston - 10 |
| Osbeldeston - 1 | Osbeldiston - 1 | Osben - 1 | Osbentson - 1 | Osbeston - 15 |
| Osbestone - 1 | Osbinson - 1 | Osbister - 1 | Osbiston - 205 | Osbistone - 1 |
| Osbiton - 1 | Osboldaston - 1 | Osboldeston - 3 | Osbond - 4 | Osbone - 3 |
| Osbor - 6 | Osborn - 247 | Osborne - 1620 | Osbornne - 5 | Osboston - 1 |
| Osboton - 2 | Osbourn - 35 | Osbourne - 80 | Osburn - 12 | Osburne - 3 |
| Oscroft - 122 | Osencroft - 2 | Osgathorpe - 2 | Osgerby - 1 | Osgood - 6 |
| Osker - 1 | Oskiston - 1 | Oslend - 1 | Osler - 1 | Osman - 27 |
| Osmant - 1 | Osmar - 1 | Osmaston - 7 | Osme - 1 | Osmelt - 1 |
| Osmond - 30 | Osmorn - 1 | Ossitt - 5 | Ost - 1 | Osterfield - 1 |
| Osterman - 1 | Ostick - 2 | Ostler - 2 | Oston - 1 | Ostrouszko - 1 |
| Osullivan - 1 | Oswald - 8 | Oswell - 3 | Oswin - 41 | Othen - 3 |
| Otherwis - 1 | Otherwise - 24 | Othewell - 2 | Otley - 13 | Otries - 1 |
| Ott - 2 | Ottanlan - 1 | Ottarson - 1 | Ottaway - 6 | Ottawell - 12 |
| Otter - 146 | Otterburn - 3 | Otterett - 1 | Otterway - 6 | Otterwell - 91 |
| Ottery - 2 | Ottewall - 2 | Ottewel - 4 | Ottewell - 815 | Ottewett - 7 |
| Ottey - 5 | Ottiwell - 39 | Ottley - 6 | Otton - 1 | Ottorwell - 1 |
| Ottoway - 2 | Ottowell - 61 | Ottuewell - 7 | Ottwell - 3 | Otty - 1 |
| Otwin - 1 | Oughton - 28 | Oukam - 3 | Ould - 20 | Ouldale - 1 |
| Ouldfield - 4 | Ouldham - 3 | Ouldknole - 1 | Ouldknow - 5 | Ouldnall - 2 |
| Ouldnow - 1 | Ouldorne - 1 | Oulerenshawe - 1 | Oulernshawe - 2 | Oulsham - 2 |
| Oulsman - 15 | Oulsnam - 45 | Oulsnan - 1 | Oulsonam - 1 | Oult - 1 |
| Oulton - 73 | Oultram - 5 | Ouneal - 1 | Ouner - 7 | Ounsley - 1 |
| Ouseley - 1 | Ouseman - 2 | Ousey - 9 | Ousfield - 1 | Ousley - 7 |
| Ouslum - 3 | Ousman - 1 | Outfin - 1 | Outhwait - 1 | Outhwaite - 9 |
| Outlaw - 2 | Outram - 697 | Outrim - 1 | Outtrim - 1 | Outwin - 3 |
| Ovan - 8 | Oven - 74 | Ovenbury - 1 | Ovendale - 6 | Ovenden - 2 |
| Ovening - 1 | Ovens - 12 | Ovenshaw - 1 | Over - 40 | Overbury - 2 |
| Overend - 50 | Overett - 1 | Overfield - 2 | Overill - 1 | Overin - 5 |
| Overing - 2 | Overington - 1 | Overmas - 5 | Overmass - 3 | Overthrow - 11 |
| Overton - 81 | Overy - 2 | Ovesstas - 1 | Oveton - 1 | Owans - 1 |
| Owar - 1 | Owdin - 2 | Owen - 1123 | Owencroft - 1 | Owens - 87 |
| Ower - 1 | Owers - 3 | Oweth - 1 | Owin - 7 | Owles - 1 |
| Owlet - 1 | Owlosher - 1 | Owsley - 2 | Owston - 1 | Owtram - 9 |
| Oxberry - 1 | Oxborough - 6 | Oxbrough - 1 | Oxbrow - 1 | Oxby - 41 |
| Oxcroft - 9 | Oxenboulds - 2 | Oxenboule - 1 | Oxenham - 14 | Oxepring - 7 |
| Oxford - 10 | Oxlade - 1 | Oxles - 1 | Oxley - 637 | Oxly - 10 |
| Oxnard - 2 | Oxpring - 7 | Oxspring - 142 | Oxtaby - 1 | Oxton - 2 |
| Oxworth - 1 | Oyarzabal - 1 | Oynon - 1 | Oyston - 1 | Ozanne - 5 |
| Ozborn - 1 | Ozborne - 3 | Ozenbrook - 4 | Ozierbrook - 1 | Ozley - 2 |
