Oakley

Usage: English Extra: Statistics

From a place name that had many oak trees. Means "oak clearing" in Old English. Borne by American sharpshooter Annie Oakley (1860-1926).

Obama

Usage: Dholuo (Kenyan Luo)

From a rare Luo given name, based on a word meaning "crooked" or "slightly bent". It was possibly originally given to a baby who had an arm or leg that looked slightly bent immediately after birth. It could also possibly have been given to a child who was born in the breech position.

Obando

Usage: Spanish Extra: Statistics

A habitional name for someone who lived in Obando in Extremadura province.

O'Beirne

Usage: Irish Extra: Statistics

Variant of O'Byrne.

O'Berne

Usage: Irish

Variant of O'Byrne.

Oberst

Usage: German Extra: Statistics

Means "from the uppermost end of a village, top of a house" from the Middle High German ober, obar.

Oberti

Usage: Italian

Derived from the given name Uberto.

Oberto

Usage: Italian

Derived from the given name Uberto.

O'Boyle

Usage: Irish Extra: Statistics

From Irish Ó Baoghill, the derivation of which is uncertain, but thought to be connected to the Irish geall, meaning "pledge".

O'Brien

Usage: Irish Extra: Statistics

From the Irish Ó Brian, meaning "descendant of Brian".

O'Byrne

Usage: Irish Extra: Statistics

From Irish Ó Broin, which comes from the given name Branach, which means "raven".

O'Callaghan

Usage: Irish

"Descendant of Ceallachan", a diminutive of Ceallach, which probably meant "strife".

Ó Catháin

Usage: Irish

Means "descendent of Cathan".

Ochoa

Usage: Basque, Spanish Extra: Statistics

From a Basque nickname meaning "wolf".

O'Cleirigh

Usage: Irish

From Ó Cleirigh; cléireach is the Irish word for "clerk". This surname is the Irish variant of the English Clark.

O'Clery

Usage: Irish

Variant of O'Cleirigh.

Ó Cnáimhín

Usage: Irish

Means "descendant of Cnámh", cnamh meaning "bone".

O'Connell

Usage: Irish Extra: Statistics

From the Irish Ó Conaill, meaning "the descendent of Conall".

O'Connor

Usage: Irish Extra: Statistics

From Irish Gaelic Ó Conchobhair meaning "descendent of Conchobhar".

Odell

Usage: English Extra: Statistics

Means "from Odell (Bedfordshire), England".

O'Donnell

Usage: Irish Extra: Statistics

From the Irish Ó Domhnaill, meaning "descendent of the ruler of the world." Domhnaill is composed of the Old Celtic elements dumno "world" and val "rule". This surname is associated with Niall of the Nine Hostages and his ancient homeland in County Donegal, Ireland.

O'Doyle

Usage: Irish

Variant of Doyle.

Oelberg

Usage: German

Means "oil hill" from the Germanic oel "oil" and berg "hill".

Offermans

Usage: Dutch

From the Dutch occupation offerman, the man who collects ofer,"money," in a church.

Ogden

Usage: English Extra: Statistics

Means "(dweller of the) oak valley" from Old English âc "oak", denu "valley".

Ognianov

Usage: Bulgarian

A variant transcription of Ognyanov.

Ognyanov

Usage: Bulgarian

Means "son of Ognyan".

O'Gorman

Usage: Irish Extra: Statistics

Variant of Gorman (2).

Ogterop

Usage: Dutch

Means "from Ochtrup, Germany".

O'Hanegan

Usage: Irish

Variant of O'Hannagain.

O'Hanigan

Usage: Irish

Variant of O'Hannigain.

O'Hannagain

Usage: Irish

From Irish Ó Hannagáin, which means "descendant of Annagán". Annagán is a diminutive of Annadh, meaning "delay".

O'Hannagan

Usage: Irish

Variant of O'Hannagain.

O'Hannegan

Usage: Irish

Variant of O'Hannagain.

O'Hannigain

Usage: Irish

Variant of O'Hannagain.

O'Hannigan

Usage: Irish

Variant of O'Hannagain.

O'Hara

Usage: Irish Extra: Statistics

From the Irish Ó Heaghra, which means "the descendent of Eaghra," Ehra being a first name of uncertain origin. Eaghra was the lord of Luighne in County Sligo and died in 926. A famous bearer of this surname is Scarlett O'Hara, a fictional character in Margaret Mitchell's 'Gone With The Wind'.

O'Hearn

Usage: Irish Extra: Statistics

Variant of Ahearn, meaning "descedent of Ahearn".

Ohme

Usage: German Extra: Statistics

Means "uncle".

Ojeda

Usage: Spanish Extra: Statistics

Means "dweller on the banks of the Ojeda river".

O'Kane

Usage: Irish Extra: Statistics

Derived from the surname Ó Catháin.

O'Keefe

Usage: Irish Extra: Statistics

From the rish Gaelic Ó Caoimh meaning "descendent of Caomh". Caomh means "gentle" or "kind".

Ola

Usage: Spanish, Basque

Means "forge" or "shepherd's cabin" from the Basque ola.

Olander

Usage: Swedish Extra: Statistics

Name for someone from the island of Öland, or a variant spelling of Ålander, which is a habitational name for someone of the island of Åland.

Olasz

Usage: Hungarian

Means "Italian" in Hungarian.

O'Leary

Usage: Irish Extra: Statistics

From the Irish Ó Laoghaire, meaning "the descendent of the keeper of cattle".

Oleastro

Usage: Spanish

Means "(dweller by the) wild olive tree".

Olesen

Usage: Danish Extra: Statistics

Means "son of Ole".

Olguin

Usage: Spanish Extra: Statistics

Variant of Holguín.

Olhouser

Usage: Norwegian, English

Means "(dweller by or near the) old house".

Oliver

Usage: Catalan, English, French, German, Scottish Extra: Statistics

Derived from the personal name Oliver.

Oliversen

Usage: Danish, Norwegian

Variant of Oliverson.

Oliverson

Usage: English, Norwegian, Swedish Extra: Statistics

Means "son of Oliver".

Oliverssen

Usage: Danish, Norwegian, Swedish

Variant of Oliverson.

Oliversson

Usage: Norwegian, Swedish

Variant of Oliverson.

Olivier

Usage: French Extra: Statistics

Derived from the given name Olivier.

Olmos

Usage: Spanish Extra: Statistics

Means "(dweller by the) elm tree" from the Latin ulmus.

Olofsdotter

Usage: Swedish

Means "daughter of Olof".

Olofsson

Usage: Swedish

Means "son of Olof.

Olsen

Usage: Danish Extra: Statistics

Means "son of Ole".

Olsson

Usage: Swedish Extra: Statistics

Means "son of Olaf".

Olvirsson

Usage: Icelandic

Means "son of Óleifr", Óleifr is the ancient form of Olaf.

Ó Madaidhín

Usage: Irish

Means "descendant of Madaihín", a personal name derived from the Gaelic madadh meaning "dog, mastiff".

Ó Máille

Usage: Irish

Means "descendant of a nobleman" from the Irish Gaelic mál.

O'Malley

Usage: Irish Extra: Statistics

Derived from Ó Máille.

Öman

Usage: Swedish Extra: Statistics

From the swedish words ö meaning "island" and man meaning "man". Thus the meaning is "man from the island".

O'Maoilríaghain

Usage: Irish

Means "descendant of a follower of Ríagain." It is derived from the Irish maol, meaning "follower," and Ríagain, a personal name of unknown meaning. Ríagain may be a variant of Reagan or could be derived from ríodhgach, meaning "implusive, furious".

Ó Maol Aodha

Usage: Irish

Means "descendant of a devotee of Saint Aodh." It is derived from the Irish maol, meaning "follower, servant".

O'Maolmhuaidh

Usage: Irish

Means "descendant of Maolmhuadh", Maolmhuadh is a personal name meaning "proud chief" derived from the Gaelic word meaning "chief" and muadh meaning "proud" or "noble".

Omdahl

Usage: Norwegian Extra: Statistics

Denoted a person hailing from any one of a number of farms in Norway called either Åmdal or Omdal meaning "elm valley".

Ó Meadhra

Usage: Irish

Means "descendant of Meadhra". The personal name Meadhra is derived from the Gaelic meadhar meaning "merry, happy".

Ó Meara

Usage: Irish Extra: Statistics

Derived from Ó Meadhra.

O'Mooney

Usage: Irish

From the Irish Ó Maonaigh. It means "the descendant of Maonaigh." Maonaigh meaning either "wealthy" or "dumb".

O'Neal

Usage: Irish Extra: Statistics

Means "descendent of Niall," the original Gaelic spelling of Neil.

O'Neill

Usage: Irish Extra: Statistics

Variant of O'Neal.

Ongaro

Usage: Italian

Variant of Ungaro.

O'Niall

Usage: Irish

Variant of O'Neal.

Ó Nualláin

Usage: Irish

Means "descendant of Nuallán", Nuallán means "little noble, famous one" from the Gaelic nuall.

Oomen

Usage: Dutch

Means "son of the uncle".

Oorschot

Usage: Dutch

Variant of Van Oorschot.

Ó Peatain

Usage: Irish

Means "descendent of Patrick".

Oppenheimer

Usage: German Extra: Statistics

Means "from Oppenheim".

Oquendo

Usage: Spanish Extra: Statistics

Means "from Okendo, Basque Country".

Ó Raghailligh

Usage: Irish

Means "descendent of Raghailligh", a Gaelic first name of unknown meaning.

Orbán

Usage: Hungarian Extra: Statistics

Derived from the given name Orbán.

O'Reilly

Usage: Irish Extra: Statistics

Anglicized form of Ó Raghailligh.

Orellana

Usage: Spanish

Derived from the place name Orellana which, in turn, is derived from the Latin Aureliana "of Aurelius".

Orenstein

Usage: Yiddish Extra: Statistics

Means "horn stone".

Ó Ríagáin

Usage: Irish

Means "descendant of Riagáin". The meaning of Riagáin is uncertain but may be derived from the Irish ríodhgach meaning "impulsive, furious".

Ó Riain

Usage: Irish

Means "descendant of Riaghain".

Ó Rinn

Usage: Irish

Means "descendant of Rinn". Rinn means "star" from the Irish rinn.

Orlando

Usage: Italian Extra: Statistics

Derived from the first name Orlando.

Orlov

Usage: Russian

Means "son of Oryol" in Russian. Oryol is a nickname meaning "eagle".

Orman

Usage: English Extra: Statistics

Anglicized form of Ó Ruaidh.

Ó Rodagh

Usage: Irish

Means "descendant of Rodach". Rodach means "spirited, furious" from the Irish rod.

Orosz

Usage: Hungarian Extra: Statistics

Means "Russian" in Hungarian.

Orsini

Usage: Italian Extra: Statistics

From a nickname meaning "little bear" in Italian.

Ortiz

Usage: Spanish Extra: Statistics

Means "son of Orti". Orti seems to be disputed in meaning deriving from either the Latin fortis meaning "brave, strong" or the Latin fortunius meaning "fortunate".

Ó Ruadháin

Usage: Irish

Means "descendant of Ruadhán", a personal name meaning "red" from the Gaelic ruadh.

Ó Ruaidh

Usage: Irish

Means "descendant of Ruadh", from the Gaelic ruadh meaning "red".

Osborne

Usage: English Extra: Statistics

Variant of Osbourne.

Osbourne

Usage: English Extra: Statistics

Derived from the given name Osborn.

Ó Scolaidhe

Usage: Irish

Means "descendant of the scholar" from the Irish scholaidhe.

Ó Séaghdha

Usage: Irish

Means "descendant of Séaghdha". Séaghdha means "hawklike, stately".

Ó Seighin

Usage: Irish

Means "descendant of Seighin". Seighin means "small hawk" from the Old Irish séigene.

O'Shea

Usage: Irish Extra: Statistics

Anglicized form of Ó Séaghdha.

Oshiro

Usage: Japanese, Okinawan Extra: Statistics

Means "big castle". There were once 5 Okinawan kingdoms, and the Oshiros were the big castles.

Ó Síoda

Usage: Irish

Means "descendant of Síoda". Síoda means "silk".

Östberg

Usage: Swedish, Jewish Extra: Statistics

Means "mountain (or hill) in the east" from Swedish öst "east" and berg "mountain", "hill".

Ostberg

Usage: Norwegian

From Østberg, Norwegian form of Östberg.

Øster

Usage: Danish Extra: Statistics

Means "(dweller in the) eastern (side of a place)" from the Danish øster meaning "eastern".

Østergaard

Usage: Danish

Variant of Østergård.

Østergård

Usage: Danish Extra: Statistics

Means "(dweller by or at the) eastern farm, enclosure" from the Danish øster "eastern" and gård "enclosure, farm".

Ó Suaird

Usage: Irish

Means "descendant of Suart", Suart is derived from the Old Norse cognate of the Old English Sigeweard meaning "protector of victory".

O'Sullivan

Usage: Irish Extra: Statistics

Variant of Sullivan.

Ó Taidhg

Usage: Irish

Means "descendant of Tadhg".

Ott

Usage: English, German Extra: Statistics

From the given name Otto.

Otten

Usage: Dutch Extra: Statistics

Derived from the Dutch given name Ot, which is a nickname of Hadrianus (see Adrian) and/or Odo.

Otto

Usage: German Extra: Statistics

From the German first name Otto.

Ottosen

Usage: Danish Extra: Statistics

Means "son of Otto".

Ottosson

Usage: Swedish

Means "son of Otto".

Oursler

Usage: German Extra: Statistics

Anglicized form of Ursler.

Outlaw

Usage: English, American Extra: Statistics

Means simply "outlaw" from the Middle English outlawe.

Outterridge

Usage: English

Derived from the Old English personal name Uhtric which was composed of the elements uht "dawn" and ric "power".

Overton

Usage: English Extra: Statistics

Denotes a person who hailed from one of the various places in England called Overton or Orton.

Ovesen

Usage: Norwegian Extra: Statistics

Means "son of Ove".

Owens

Usage: Irish Extra: Statistics

From Gaelic Ó hEoghain meaning "descendent of Eoghan".

Owston

Usage: English Extra: Statistics

Denotes a person who came from any one of the places in Britain called Ouston or Owston.

Ozolins

Usage: Latvian Extra: Statistics

Means "son of Ozols", Ozols means "oak tree".