Oakley m & f EnglishFrom an English surname that was from various place names meaning
"oak clearing" in Old English. A famous bearer of the surname was the American sharpshooter Annie Oakley (1860-1926).
Ocean f & m English (Modern)Simply from the English word
ocean for a large body of water. It is ultimately derived from Greek
Ὠκεανός (Okeanos), the name of the body of water thought to surround the Earth.
October f English (Rare)From the name of the tenth month. It is derived from Latin
octo meaning "eight", because it was originally the eighth month of the Roman year.
Odell m & f EnglishFrom an English surname that was originally from a place name, itself derived from Old English
wad "woad" (a plant that produces a blue dye) and
hyll "hill".
Odin m Norse Mythology, English (Modern)Anglicized form of Old Norse
Óðinn, which was derived from
óðr meaning
"inspiration, rage, frenzy". It ultimately developed from Proto-Germanic *
Wōdanaz. The name appears as
Woden in Anglo-Saxon sources (for example, as the founder of several royal lineages in the
Anglo-Saxon Chronicle) and in forms such as
Wuotan,
Wotan or
Wodan in continental Europe, though he is best known from Norse sources.
... [more] Ogden m English (Rare)From a surname that was derived from a place name meaning
"oak valley" in Old English. A famous bearer was the humorous American poet Ogden Nash (1902-1971).
Olive f English, FrenchFrom the English and French word for the type of tree, ultimately derived from Latin
oliva.
Oliver m English, German, Swedish, Norwegian, Danish, Finnish, Estonian, Catalan, Serbian, Croatian, Macedonian, Czech, Slovak, Carolingian CycleFrom Old French
Olivier, which was possibly derived from Latin
oliva "olive tree". Alternatively there could be an underlying Germanic name, such as Old Norse
Áleifr (see
Olaf) or Frankish
Alawar (see
Álvaro), with the spelling altered by association with the Latin word. In the Middle Ages the name became well-known in Western Europe because of the French epic
La Chanson de Roland, in which Olivier is a friend and advisor to the hero
Roland.
... [more] Olivia f English, Italian, Spanish, French, German, Finnish, Swedish, Norwegian, Danish, DutchThis name was used in this spelling by William Shakespeare for a character in his comedy
Twelfth Night (1602). This was a rare name in Shakespeare's time that may have been based on
Oliva or
Oliver, or directly on the Latin word
oliva meaning
"olive". In the play Olivia is a noblewoman wooed by Duke
Orsino. Instead she falls in love with his messenger Cesario, who is actually
Viola in disguise.
... [more] Omar 1 m Arabic, Bosnian, Kazakh, Malay, English, Spanish, ItalianAlternate transcription of Arabic
عمر (see
Umar). This is the usual English spelling of the name of the 12th-century poet Umar Khayyam. In his honour it has sometimes been used in the English-speaking world, notably for the American general Omar Bradley (1893-1981).
Oneida f EnglishFrom the name of a Native American tribe, perhaps meaning "standing rock".
Onyx m & f EnglishFrom the English word for the gemstone (a variety of chalcedony), which can be black, red or other colours. It is derived from Greek
ὄνυξ (onyx) meaning "claw, nail".
Opal f EnglishFrom the English word
opal for the iridescent gemstone, the birthstone of October. The word ultimately derives from Sanskrit
उपल (upala) meaning "jewel".
Ophelia f English, Literature, Ancient GreekDerived from Greek
ὠφέλεια (opheleia) meaning
"help, advantage". This was a rare ancient Greek name, which was either rediscovered or recreated by the poet Jacopo Sannazaro for a character in his poem
Arcadia (1480). It was borrowed by Shakespeare for his play
Hamlet (1600), in which it belongs to the daughter of
Polonius and the potential love interest of
Hamlet. She eventually goes insane and drowns herself after Hamlet kills her father. In spite of this negative association, the name has been in use since the 19th century.
Ora 1 f & m EnglishPerhaps based on Latin
oro "to pray". It was first used in America in the 19th century.
Oral m EnglishMeaning uncertain. This name was borne by the influential American evangelist Oral Roberts (1918-2009), who was apparently named by his cousin.
Orinda f English (Rare)Probably an elaboration of Spanish
oro "gold". This was the pseudonym of the English poet Katherine Philips (1631-1664).
Ormond m English (Rare)From an Irish surname, an Anglicized form of Irish Gaelic
Ó Ruaidh, derived from the given name
Ruadh.
Orrell m English (Rare)From a surname that was derived from a place name meaning
"ore hill" in Old English.
Orson m EnglishFrom a Norman nickname derived from a diminutive of Norman French
ors "bear", ultimately from Latin
ursus. American actor and director Orson Welles (1915-1985) was a famous bearer of this name.
Orville m EnglishThis name was invented by the 18th-century writer Fanny Burney, who perhaps intended it to mean
"golden city" in French. Orville Wright (1871-1948), together with his brother Wilbur, invented the first successful airplane.
Osbert m English (Rare)Derived from the Old English elements
os "god" and
beorht "bright". After the Norman Conquest, this Old English name was merged with its Norman cognate. It was rare in the Middle Ages, and eventually died out. It was briefly revived in the 19th century.
Osborn m EnglishDerived from the Old English elements
os "god" and
beorn "warrior, man". During the Anglo-Saxon period there was also a Norse cognate
Ásbjǫrn used in England, and after the Norman Conquest the Norman cognate
Osbern was introduced. It was occasionally revived in the 19th century, in part from a surname that was derived from the given name.
Oscar m English, Irish, Portuguese (Brazilian), Italian, Swedish, Norwegian, Danish, Dutch, French, Irish MythologyPossibly means
"deer friend", derived from Old Irish
oss "deer" and
carae "friend". Alternatively, it may derive from the Old English name
Osgar or its Old Norse cognate
Ásgeirr, which may have been brought to Ireland by Viking invaders and settlers. In Irish legend Oscar was the son of the poet
Oisín and the grandson of the hero
Fionn mac Cumhaill.
... [more] Osmond m English (Rare)From the Old English elements
os "god" and
mund "protection". During the Anglo-Saxon period a Norse cognate
Ásmundr was also used in England, and another version was imported by the Normans. Saint Osmund was an 11th-century Norman nobleman who became an English bishop. Though it eventually became rare, it was revived in the 19th century, in part from a surname that was derived from the given name.
Oswald m English, GermanDerived from the Old English elements
os "god" and
weald "powerful, mighty". Saint Oswald was a king of Northumbria who introduced Christianity to northeastern England in the 7th century before being killed in battle. There was also an Old Norse cognate
Ásvaldr in use in England, being borne by the 10th-century Saint Oswald of Worcester, who was of Danish ancestry. Though the name had died out by the end of the Middle Ages, it was revived in the 19th century.
Oswin m English (Rare)From the Old English elements
os "god" and
wine "friend". Saint Oswin was a 7th-century king of Northumbria. After the Norman Conquest this name was used less, and it died out after the 14th century. It was briefly revived in the 19th century.
Otis m EnglishFrom an English surname that was derived from the medieval given name
Ode, a cognate of
Otto. In America it has been used in honour of the revolutionary James Otis (1725-1783).
Otto m German, Swedish, Norwegian, Danish, Dutch, English, Finnish, GermanicLater German form of
Audo, originally a short form of various names beginning with Old Frankish
aud or Old High German
ot meaning
"wealth, fortune". This was the name of a 9th-century king of the West Franks (name usually spelled as
Odo). This was also the name of four kings of Germany, starting in the 10th century with Otto I, the first Holy Roman Emperor, known as Otto the Great. Saint Otto of Bamberg was a 12th-century missionary to Pomerania. The name was also borne by a 19th-century king of Greece, originally from Bavaria. Another notable bearer was the German chancellor Otto von Bismarck (1815-1898).