Submitted Names Starting with O

gender
usage
Submitted names are contributed by users of this website. The accuracy of these name definitions cannot be guaranteed.
Osakabenomiko f Japanese
From Japanese 忍 (osa) meaning "patience, endurance, stamina", 壁 (kabe) meaning "wall; barrier", 皇 (nomi) meaning "emperor" combined with 子 (ko) meaning "child". Other kanji combinations are possible.
Osaki m & f Japanese
Transferred use of the surname Osaki.
Osako f Japanese
From Japanese 修 (osa) meaning "discipline, study" combined with 子 (ko) meaning "child". Other kanji combinations are possible.
Osame m & f Japanese
From Japanese 治 (osame) meaning "govern, regulate, administer" or 修 (osame) meaning "discipline, study" or from Japanese 治 (osa) meaning "govern, regulate, administer" or 長 (osa) meaning "chief, head, leader" combined with 芽 (me) meaning "bud, sprout, shoot" or 女 (me) meaning "female, woman, wife" (for females)... [more]
Osameru m Japanese
From Japanese 修 (osameru) meaning "discipline, study", as well as other kanji which have the same pronunciation.
Osami m & f Japanese
From Japanese 修 (osa) meaning "discipline, study" combined with 身 (mi) meaning "body" (mostly masculine) or 美 (mi) meaning "beautiful" (mostly feminine). Other kanji combinations are possible.
Osana f Medieval Basque
Of uncertain origin and meaning. Current theories include a derivation from Basque otzan "tame" or a derivation from Basque otso "wolf".
Osana f Japanese
From Japanese 緒 (o) meaning "thread", 沙 (sa) meaning "sand" combined with 那 (na) meaning "what". Other kanji combinations are possible.
Osane f Medieval French
Medieval French form of Osanna.
Osane f Japanese
From Japanese 綜 (osa) meaning "arrange threads for weaving" combined with 音 (ne) meaning "sound". Other kanji combinations are possible.
Osang f Filipino, Tagalog
Diminutive of Milagrosa.
Osanna f German (Archaic), Russian (Rare)
Probably derived from an Old Germanic name beginning in os-.
Osao m Japanese
From Japanese 治 (osa) meaning "govern, regulate, administer" combined with 雄 (o) meaning "male". This name can be formed with other kanji combinations as well.
Osaretin m Western African, Edo
Means "God is strength" in Edo language.
Osashi m Japanese (Rare)
From 長 (osa) meaning "head, chief, leader," modelled on other names ending with -shi, like Hiroshi, Kiyoshi and Takashi.... [more]
Osasuke m Japanese
From Japanese 魁 (osa) meaning "chief, leader" combined with 輔 (suke) meaning "help" or 佑 (suke) meaning "to assist; to help; to protect". Other kanji combinations are possible.
Osata m Japanese
From Japanese 長 (osa) meaning "chief, head, leader" combined with 太 (ta) meaning "thick, big". Other kanji combinations are possible.
Osataka m Japanese
From Japanese 魁 (osa) meaning "chief" combined with 岳 (taka) meaning "mountain peak". Other kanji combinations are possible.
Osathee m Thai
Means "Venus" in Thai.
Osato m Japanese
From Japanese 治 (osa) meaning "govern, regulate, administer" combined with 人 (to) meaning "person". Other kanji combinations are possible.
Osatohamwen m & f Western African, Edo
Means "the mercy of God is upon me" in Edo language.
Osaya m Japanese
From Japanese 修 (osa) meaning "study, discipline" combined with 也 (ya) meaning "also". This name can be formed with other kanji combinations as well.
Osayuki m Japanese
From Japanese 魁 (osa) meaning "chief" combined with 進 (yuki) meaning "advance, make progress, enter". Other kanji combinations are possible.
Osaze m Hebrew
Means "favored by God" in Hebrew
Osazuwa m Bini, African
Origin from Edo State of Nigeria, West Africa..it means God has chosen wealth for me
Osbald m Anglo-Saxon
Derived from Old English os meaning "god" combined with Old English beald meaning "bold". This name was borne by an 8th-century king of Northumbria.
Osbern m Medieval Scandinavian, Anglo-Norman, Norman (Archaic)
Derived from Old English ōs and Old Icelandic áss or óss "god" and Old English bera and Old Icelandic bjǫrn "bear".
Osberta f English (Rare, ?)
Rare feminine form of Osbert.
Osberto m Italian
Italian form of Osbert.
Osbjørn m Faroese
Faroese variant of Ásbjørn.
Osburga f History
Derived from the Old English elements os "god" and burh "fortress". This was the name of the mother of Alfred the Great.
Osceola m History, Creek (Anglicized)
Anglicized form of Creek Asi Yahola meaning "black drink singer" from asi, the name of a ritual beverage, and yahola "shouter". It was borne by a 19th-century Seminole leader.
Oscher m Yiddish (Archaic)
One of the Yiddish forms of Asher.
Ose m & f Esan
Means "god" in Esan. This is also the short form of names that begin in this element.
Osea m Italian
Italian form of Hosea.
Oseas m Spanish
Spanish form of Hosea.
Osego f Tswana
Means "she is lucky" in Setswana.
Osehonlen m & f Esan
GOD HAS HEARD, SAME AS SAMUEL
Osei m & f African
Ghanaian, Akan meaning of royalty
Oseias m Portuguese (Rare)
Portuguese form of Hosea.
Osekin m Medieval English
Pet form of the various personal names with an Old English first element os "god".
Osel m & f Tibetan
Means "bright light" in Tibetan.
Oselie f Norwegian (Archaic)
Variant of Åselie. In some cases, however, it may have been a borrowing of the stage name of the Norwegian opera singer Gina Oselio (Ingeborg Mathilde Laura Aas, 1858-1937), who had based it on the Norwegian surname Aas.
Osemegbe m & f Esan
Means "God is too good" in Esan.
Osemundianmen m & f Esan
Means "God is standing with me" in Esan.
Osenotse f Tswana
Means "He (God) has made things clear" in Setswana.
Oseremen m Esan
Means: God has given me.
Oseri m Romani
Romani corruption of Ossory.
Oseva f Medieval English
Younger form of Osgifu.
Osezua m Esan
"IS GOD THAT GIVES WEALTH" ... [more]
Osfrið m Anglo-Saxon
Derived from Old English os meaning "god" combined with Old English friþ meaning "peace".
Osgood m American (Rare, Archaic)
The name was borne by the 19th century writer Osgood Bradbury.
Osgyth f Anglo-Saxon
Composed of the two name elements os "god" and gyð "battle".
Oshadhi f Sinhalese
Etymology unknown, possibly meaning "medicinal herbs".
Oshalche f Mari
Means "little white one" in Mari.
Osham m Indian
MEANING - with ardour, eagerly, quickly, while burning ... [more]
Oshay m African American
Transferred use of the surname Oshay.
Oshere m Anglo-Saxon
Derived from Old English os meaning "god" combined with Old English here meaning "army".... [more]
Osherge m Mari
Means "white son" in Mari.
Oshik m Yiddish
Oshik, also rarely seen as Ushach is a Yiddish/Hebrew form of the name Yehoshua.
Oshin m Manx
Manx form of Oisín.
Oshin m Armenian
Etymology uncertain, perhaps from օշինդր (oshindr) meaning "wormwood".
Oshkosh m Menominee, Indigenous American
Means "claw" in Menominee.
Oshn m Indian
Name - Oshn ओष्ण ... [more]
Oshra f Hebrew
Feminine form of Osher.
Oshry m & f Hebrew (Modern)
Means "my happiness" in Hebrew. It is came from the name Osher
Oshthak m Indian
MEANING - lips, taking care of lips ... [more]
Oshun f African, Yoruba
The Yoruba goddess of love and pleasure, beauty, and diplomacy and is associated with money. Oshun is a very generous goddess and benign to mankind, but also possesses an extraordinary temper, which is difficult to sway.
Osi m Nenets
Nenets form of Joseph.
Osi f Hebrew
Diminutive of Osnat.
Osián m Galician
Galician form of Ossian.
Osian m Welsh
Welsh form of Oisín.
Osias m Yiddish, Flemish
Variant of Hosea
Osiasz m Polish
Polish form of Ozias.
Osie m & f American (Rare, Archaic)
Short form of names beginning with Os- such as Oscar or Osbert or used as an independent name.
Osikani m Akan
Means "rich man" in Akan.
Osilda f German (Rare, Archaic), Spanish, French (Rare, Archaic), English (American, Rare, Archaic)
A dithematic Germanic name formed from the name elments os "god" and hild "battle".
Osim m Tajik, Uzbek (Rare)
Tajik and Uzbek form of Asim 1.
Ōšin m Armenian
Armenian variant of Awšin.
Osine m Edo
Means "God is great" in Edo.
Osiride m Italian
Italian form of Osiris.
Osita m Igbo
Osita is a shorter form of Osita di nma which means from today onwards it will be better.
Ositadimma m Igbo
Meaning: from today things will be good... [more]
Ositha f Medieval English
Medieval English Latinized form of Old English Ósgýð (compare Osyth).
Osithe f French
French form of Osyth.
Ósk f Ancient Scandinavian, Icelandic
Directly taken from Old Norse ósk "wish".
Oskan m Literature
Oskan is a name is Stuart Hills Icemark Chronicles... [more]
Oskár m Slovak
Slovak form of Oscar.
Oskara f Swedish (Archaic)
Feminine form of Oskar.
Oskaras m Lithuanian
Lithuanian form of Oscar.
Óski m Ancient Scandinavian, Norse Mythology
Masculine form of Ósk. This is a by-name for Odin.
Öski f Khakas
Means "goat" in Khakhas.
Ósklín f Icelandic (Modern, Rare)
Combination of the Old Norse elements ósk "wish" and lín "flax; linen; linen garment, linen gear".
Osku m Sami
Sami form of Usko.
Öškü-saar f Tuvan
Means "one who milks goats".
Osla f Faroese, Scots (Archaic)
Faroese variant and Shetlandic Scots adoption of Ásla. As a Shetlandic name, Osla was usually Anglicized as Ursula.
Oslac m Anglo-Saxon
King of Sussex
Oslakur m Faroese
Faroese variant of Áslakur.
Osleidys f Spanish (Caribbean)
Combination of Os-, from names beginning in this pattern like Oscar, and Leidys, a variant of Lady.
Öslem f Turkish
Variant spelling of Özlem.
Oslo m Popular Culture
From the capital of Norway. Oslo is one of the nine robbers in 2017 Tv-series 'Money Heist' La casa de papel.
Oslynn f English (American)
powerful female
O'sma f Uzbek
Derived from the name of a kohl-like plant and its dye.
Osma m Finnish (Rare)
Variant of Osmo. 'Osma' is also another word for "wolverine" (mostly known as 'ahma' in Finnish).
Osmanna f History
A famous bearer is Saint Osmanna.
Osmanne f French (Archaic)
French form of Osmanna, common in the area around Féricy in the region of Île-de-France in the 1600s and 1700s thanks to saint Osmanne who is the patron saint of Féricy.
Osmar m Anglo-Saxon, English (Rare), German (Rare), Estonian (Archaic)
Of uncertain origin and meaning. Current theories include a variant of Ansmar and a variant of Osmær... [more]
Osmar m Portuguese, Portuguese (Brazilian), Spanish, Spanish (Latin American)
Combination of Os-, from names beginning in this pattern like Oscar and Osvaldo, and -mar, from names beginning in that pattern, e.g. María (Spanish)/Maria (Portuguese).
Ošmari m Mari
Derived from oš meaning "white" and marij meaning "man".
Osmin m Theatre, Spanish (Latin American), Gascon
Osmin is a figure in the Mozart opera Die Entführung aus dem Serail.... [more]
Osmo m Finnish
From a poetic term meaning "fiancé" or "young man", called both 'osmo' and 'osma' in Finnish.
Osmon m Kyrgyz
Kyrgyz form of Uthman.
Osmondo m Italian
Italian form of Osmund
Osnat f Hebrew
Variant of Asenath used in modern Hebrew.
Oso m Popular Culture
Name of character in Disney's Special Agent Oso and means "bear" in Spanish.
Osondu m Igbo
Means "race of life" in Igbo.
Osor m & f Buryat
Means "spread of light" in Buryat.
Ösp f Icelandic
From Old Norse ǫsp meaning "aspen tree".
Ošpajko m Mari
Derived from oš meaning "white" and probably baj meaning "rich".
Óspakr m Ancient Scandinavian
From Old Norse úspakr meaning "unwise, unruly, wild".
Ospan m Kazakh
Kazakh form of Uthman, though the name can also be interpreted to be derived from Persian آسمان (âsmân) "sky, heaven".
Ošpatə̑r m Mari
Means "white warrior" in Mari.
Osra f Literature
Feminine form of Osric. Used in Anthony Hope's novels The Prisoner of Zenda and The Heart of Princess Osra.
Osraige m Medieval Irish
From place name Osraige.
Osred m Anglo-Saxon, History
Variant spelling of the Old English name Osræd, which was derived from Old English os meaning "god" combined with Old English ræd meaning "counsel".... [more]
Osric m Anglo-Saxon, English (Rare), Literature
Derived from Old English os meaning "god" combined with Old English ric meaning "power, rule". This name was borne by several Anglo-Saxon kings, one of the earliest being Osric of Deira (7th century AD).... [more]
Osrun f Ancient Germanic
Name based on the Old High German elements "ans" (transferred to "os", meaning engl. "god") and "run / rúna" (engl. "rune" or "secret").
Ossa f Greek Mythology
Another name for Pheme used by Homer.
Ossama m Arabic
Variant transcription of Usama.
Ossawa m English (Modern)
Derived from the town of Osawatomie, Kansas. A famous bearer was the artist Henry Ossawa Tanner.
Osse m Finnish (Rare), Swedish (Rare)
Finnish and Swedish form of Hosea.
Ossi m Finnish
Diminutive of Ossian, Osmo and Oskari.
Ossia f Obscure
Feminine form of Ossian. A typhoon in 1950 was named Ossia.
Ossie m & f English
Short form of Oswald. As a feminine name, it is a now obsolete diminutive of Ursula.
Ossie m Scots
Shetlandic Scots form of Ási. This name used to be Anglicized as Hosea.
Ossilo m Italian (Rare)
Italian form of Oxylus.
Ossipago f Roman Mythology
A god who built strong bones, from ossa, "bones," + pango, pangere, "insert, fix, set."
Ossit m Scots
Reduced form of Oswald.
Ossnait f Irish
Feminine diminutive form of the Irish given name Ossan.
Ossory m Irish (Anglicized), Romani
Anglicized form of Osraige.
Össur m Icelandic (Rare)
Icelandic form of Assar.
Øssur m Faroese
Faroese form of Assar.
Osta f Old Swedish
Old Swedish variant of Asta.
Ostaixka f Basque (Rare)
Basque name meaning "Daisy flower".
Ostara f Germanic Mythology, Popular Culture
Hypothetical Old High German form of the name of a Germanic goddess of fertility and spring (probably originally of sunrise, whose feast was celebrated at the spring equinox), reconstructed by linguist Jacob Grimm... [more]
Ostatxu f Basque (Rare)
Basque cognate of Belén.
Öste m Swedish
Swedish form of Auste or variant of Östen.
Østein m Norwegian
Norwegian dialectal variant of Øystein.
Ostelinda f Romani (Caló)
Caló form of Mary, used in reference to the Virgin Mary.
Ostenaco m Cherokee
Meaning, "big head."
Oster m German (Rare, Archaic)
From the German word OSTERN "easter".
Osterlind f Medieval German
A dithematic name form from the Germanic name element AUSTRA "east" and LIND "linden tree, lime; shield (made of lime wood); gentle, soft".
Ostertag m Medieval German
Apparently from the Proto-Germanic elements *austrą "east" (Old High German *ōst, Modern German Ost or Osten) and *dagaz "day" (Old High German tag, Modern German Tag).... [more]
Osthryth f Anglo-Saxon
Derived from Old English ōs "god" and þryð "strength", making it a cognate of Anstrud. This was borne by a 7th-century Mercian queen.
Ostiana f Italian (Rare)
Italian feminine form of Hostianus.
Ostiliano m Italian
Italian form of Hostilian.
Ostilio m Italian
Italian form of Hostilius.
Østine f Norwegian (Rare)
Feminine form of Østen.
Østman m Old Swedish
Old Swedish form of Austmaðr.
Ostoja m Serbian (Rare), Croatian (Rare)
Derived from Slavic ostojati meaning "to stay".
Ostosia f Ancient Germanic, Medieval Spanish
A derivative of Proto-Germanic austraz "eastern".
Ostra f German (Rare, Archaic)
From the German word Ostern "easter".
Ostrobert m Old High German, Old Saxon, Medieval, Medieval Italian
Proto-Germanic austra "east, eastern" + Old High German beraht, Old Saxon berht "bright" from Proto-Germanic berhtaz.
Ostrogniew m Polish
Derived from Proto-Slavic ostrъ "sharp" (compare Polish ostro "sharply" and Polish ostry "sharp") combined with Polish gniew "anger" (which is derived from Slavic gnev "anger").
Ostromir m Polish
The first element of this name is derived from Proto-Slavic ostrъ "sharp" (compare Polish ostro "sharply" and Polish ostry "sharp"). The second element is derived from Slavic mir "peace".
Osuda f Uzbek
Means "peaceful" in Uzbek.
Ošüdə̑r f Mari
Means "white daughter" in Mari.
Osuitok m & f Inuit
Known bearer is Inuit sculptor Osuitok Ipeelee.
Osukaru m & f Japanese
From Japanese 御 (o) meaning "imperial", 巣 (su) meaning "nest, hive", 香 (ka) meaning "fragrance" combined with 瑠 (ru) meaning "precious stone". Other kanji combinations are possible. ... [more]
Osulf m Medieval English, Medieval, Icelandic (Archaic), English (Archaic), Old Swedish, Medieval French
Old English ōs, Old Icelandic áss, óss "god" + Old English wulf, Old Icelandic úlfr "wolf".... [more]
Osva m Finnish
Finnish short form of Osvald.
Osval m Picard
Picard form of Oswald.
Osvalda f Spanish, Italian, Portuguese
Spanish, Italian, and Portuguese form of Oswalda.
Osvaldas m Lithuanian
Lithuanian form of Oswald, possibly via its Scandinavian form Osvald.
Osvalds m Latvian
Latvian form of Oswald.
Ósvi m Portuguese
Diminutive of Osvaldo.
Ósvífr m Icelandic
Old Norse variant form of Úsvífr, a combination of svífr = "to swerve, drift" with the negative prefix U.
Osvit m & f Serbian, Croatian (Rare)
From Serbian osvit meaning "dawn".
Osvita f Serbian
Feminine form of Osvit.
Ošvuj m Mari
Derived from oš meaning "white" and vuj meaning "white".
Oswallt m Welsh
Welsh form of Oswald.
Oswi m Icelandic (Archaic), Old Saxon, Old High German, Medieval English, Medieval
Old Icelandic áss, óss, Old English ōs "god" + Old Saxon, Old English wig, Old High German wīc "war, battle".
Ōswīg m Anglo-Saxon
Likely means "God's battle". It comes from the Old Englsih elements os meaning "God" and wig meaning "war, battle".
Oswulf m Anglo-Saxon
Derived from Old English os meaning "god" combined with Old English wulf meaning "wolf". This name was borne by an 8th-century king of Northumbria.
Oswy m Anglo-Saxon
"Oswiu, also known as Oswy or Oswig (Old English: Ōswīg) (c. 612 – 15 February 670), was King of Bernicia from 642 until his death. One of the sons of Æthelfrith of Bernicia, he became king following the death of his brother Oswald in 642... [more]
Oswynn f Anglo-Saxon
From Old English os meaning "(a) God" and wynn meaning "joy".
Osyta f Polish (Rare)
Polish form of Osyth.
Osyth f Medieval English
Medieval form of the Old English name Ósgýð, derived from the elements ós "god" and gyð "war" (perhaps meaning "divine war"). Saint Osyth was a martyr of the 7th century, an Anglian princess who founded a monastery at the village Chich in Essex, which was renamed St Osyth... [more]
Oszi m Hungarian
Diminutive form of Oszkár.
Őszike f Hungarian (Modern)
Derived from Hungarian Őszi kikerics "autumn crocus".
Oszka f Medieval Polish
Medieval Polish diminutive of Ożanna and Zuzanna.
Oszvald m Hungarian
Cognate of Oswald, meaning "God power".
Oszvalda f Hungarian
Feminine form of Oszvald.
Ot m Dutch
Dutch form of Odo; in some instances, the name is also a short form of Adrianus.
Ot m Catalan
Catalan form of Otto.
Ōta m Japanese (Modern)
This name combines 桜 (ou, you, sakura) meaning "cherry (blossom) tree" with 太 (ta, tai, futo.i, futo.ru) meaning "big around, plump, thick" or 大 (tai, dai, oo-, -oo.ini, oo.kii, ta) meaning "big, large."... [more]
Ota m Russian (Archaic), Uzbek (Rare)
As a Russian name, this name is ultimately derived from the genitive of the Russian noun отец (otets) meaning "father".... [more]
Otabek m Tajik, Uzbek
Tajik and Uzbek form of Atabek.
Otabio m Aragonese
Aragonese form of Octavio.
Otachi f & m Japanese
Means "big sword" in Japanese
Otahkoika m Siksika
Means "yellow feet" in Siksika.
Otaiku m Yoruba (Modern, Rare)
This name means a hard stone can not die. In Ijebu land, which a part of the "Yoruba" race, a fine polished hard stone commonly found in the bed of rivers is called Ota. ... [more]
O'tajon m Uzbek
Derived from the Uzbek o'ta meaning "exceeding, extremely" and jon meaning "spirit, soul".
Otakárek m Czech
Diminutive of Otakar, not used as a given name in its own right.
Otaktay m Sioux
Means "kills many" in Lakota. From the Lakota óta (oh'-tay) 'to be many, much, a lot of, plenty' and kté (k'tay) 'to kill, slaughter'.
Ótamr m Ancient Scandinavian
From Old Norse útamr "untamed", combined with ú, a negative prefix.
Otanes m Ancient Persian (Hellenized), History
Hellenized form of Utāna, an ancient Persian male name that I don't know the meaning of yet. This name was borne by one of the seven Persian noblemen that helped Darius the Great come to power.
O'tarboy m Uzbek
Derived from the Uzbek o'tar meaning "herd of sheep" and boy meaning "rich, wealthy".
Otas m Lithuanian (Rare)
Lithuanian form of Otto.
Otashbibi f Uzbek
Derived from Uzbek otash meaning "fire, flames" and bibi meaning "learned woman".
Otaslav m Russian
Meaning "father's glory". From ota "father" and slav "glory".
Otatza f Basque (Rare)
Derived from Basque ote "gorse; furze" and the suffix -tza.
Otava m Finnish, Finnish Mythology, Astronomy
Means "salmon net" from an Ancient Finnish word sometimes used also to mean "bear" or "wheel". ... [more]
Otaza f Basque
Etymology unknown.
Otazlaus m Russian
Variant of Otaslav.
Otbert m Medieval French, Medieval German
Derived from Old High German ōt "wealth, riches" and beraht "bright".
O'tchopar m Uzbek
Derived from the Uzbek o't meaning "fire" or "grass" and chopar meaning "messanger".
Otek m Czech
Czech diminutive of Otakar or Otomar.
Òtëliô f Kashubian
Kashubian form of Odilia.
Otella f Italian (Rare)
Feminine form of Otello.
Ot Ene f Mythology
Altai, Kyrgyz and Turkmen form of Od Ana, derived from ot meaning "fire" and ene meaning "mother".
Oteng m Tswana
Means "He (God) is here" in Setswana.
Oter m Old Swedish
Old Swedish form of Otr.
Oteria f Medieval French
Derived from Old High German ōt meaning "wealth, riches" and heri meaning "host, army".
Otes m Medieval English
Medieval English and Early Modern English name of uncertain origin and meaning. Theories include a variant of Otto.
Otetiani m Seneca
This was the name of Red Jacket (known as Otetiani in his youth and Sagoyewatha (Keeper Awake) Sa-go-ye-wa-tha because of his oratorical skills) (c. 1750 - 1830), a Native American Seneca orator and chief of the Wolf clan... [more]
Otfried m Dutch, German
Dutch and German form of Odfrid.
Otger m German
German form of Odger.
Otgisl m Medieval Scandinavian
Derived from Old Norse auðr meaning "wealth, riches" and gísl meaning "pledge, hostage".
Otgonbaatar m Mongolian
Derived from отгон (otgon) meaning "youngest son" and баатар (baatar) meaning "hero".
Otgongerel m Mongolian
Derived from отгон (otgon) meaning "youngest son" and гэрэл (gerel) meaning "light".
Otgonnamar m Mongolian
Derived from oтгон (otgon) meaning "youngest son" and намар (namar) meaning "autumn".
Otha m English (American, Rare)
Perhaps a variant of Otto or Ottar.