Girls Names Beginning With O

  1. October
    • Origin:

      English word name
    • Meaning:

      "month name"
    • Description:

      What is so rare as a month named June? October – and November and December – are a lot rarer. Brisk and substantial, they're so much more memorable and modern than April or May. October got its name via being the eighth month in the old Roman calendar. Some related, more feminine variations are Octavia and Ottavia.
  2. Oceana
    • Origin:

      Greek
    • Meaning:

      "ocean"
    • Description:

      If you're a lover of the beach and sea, and want a name that relates to the largest body of water, there are several variations you could consider.
  3. Orinthia
    • Origin:

      Latin
    • Meaning:

      "to excite, to stir the mind"
    • Description:

      A pretty, feminissima name, more distinctive than Cynthia. George Bernard Shaw used it for a character in his play The Apple Cart, about which it is said 'Orinthia is a name full of magic for me.'
  4. Oriane
    • Origin:

      Latin via French
    • Meaning:

      "sunrise; gold"
    • Description:

      A particularly beautiful member of the Oriana and Orane clan,Oriane is the first name of a major character in Proust's In Search Of Lost Time, the Duchesse de Guermantes. Also borne by climber Oriane Bertone, the name may derive from the Latin aurum meaning "gold" or from oriens meaning "rising, sunrise". It was give to just 8 girls in a recent year in the US, but was a popular choice in France in the 2000s.
  5. Olwen
    • Origin:

      Welsh
    • Meaning:

      "white footprint"
    • Description:

      Olwen is a Welsh favorite, the name of a legendary princess in what is believed to have been the earliest Arthurian romance, and in fact one of the first recorded examples of Welsh prose.
  6. Ottoline
    • Origin:

      French and English, diminutive of Ottolie
    • Meaning:

      "prospers in battle"
    • Description:

      Curiously appealing, in a hoop-skirted, wasp-waisted way, Ottoline has recently entered the realm of modern possibility, especially since Sienna Miller chose it as the middle name of her daughter Marlowe.
  7. Ora
    • Origin:

      Latin
    • Meaning:

      "prayer"
    • Description:

      Short and slight, with great potential now that names like Ava, Ida and Orla are popular. Ora Beach is a tourist destination on Seram Island, Indonesia.
  8. Orlaith
    • Origin:

      Irish
    • Meaning:

      "golden princess"
    • Description:

      In early, pre-Norman Ireland, this name was borne by both a sister and a niece of high king Brian Boru. Now, the English form Orla is more commonly used.
  9. Otter
    • Origin:

      Animal name
    • Description:

      While we don't see many parents adopting Otter as a name for their own babies, Zooey Deschanel put this one in the lexicon when she used it as a middle name for her adorably-named daughter Elsie Otter. Even in the celebrisphere, Otter is one of the most unique baby names we've heard.
  10. Ophélie
    • Description:

      French variation of Ophelia that might make that lovely-and-haunted name feel more viable, yet there will be inevitable pronunciation issues.
  11. Oleander
    • Origin:

      Botanical Name
    • Description:

      The name of this pretty Mediterranean shrub is reminiscent of vintage Olive, and interestingly its etymology appears to overlap too: oleander most likely derives from Greek rhododendron "rose tree", with its form successively influenced by laurea "laurel" and olea "olive tree".
  12. Olivette
    • Origin:

      Feminine form of Oliver, French, Latin
    • Meaning:

      "olive tree"
    • Description:

      A feminine form of Oliver and a diminutive of Olive, Olivette could make an interesting choice for those who love Colette and Violette, but also Olivia. It was used in the 19th century French opera Les noces d'Olivette and ranked in the Top 500 in France in the early half of the 20th century.
  13. Ottilia
    • Origin:

      German and Swedish
    • Meaning:

      "prosperous"
    • Description:

      Form of Ottilie or Odilia
  14. Ophelie
    • Origin:

      French variation of Ophelia
    • Meaning:

      "help"
    • Description:

      Though this name properly takes an accent over the first e, most Americans would probably have trouble pronouncing it with French elan.
  15. Odilia
    • Origin:

      Germanic
    • Meaning:

      "fatherland; wealth, fortune"
    • Description:

      Though it has never charted in the United States, this frilly name has the elements some brave, modern namers might find attractive—namely, the initial O and the -ia suffix.
  16. Ottaline
    • Origin:

      French diminutive of Ottilie
    • Meaning:

      "prospers in battle"
    • Description:

      This name, more often spelled Ottoline, is curiously appealing, in a hoop-skirted, wasp-waisted way; heard more often in novels than real life, though that is showing some signs of change.
  17. Orianna
    • Description:

      Orianna is a feminine name with Latin origins, derived from elements meaning 'golden' or 'dawn.' It can be interpreted as 'golden dawn' or 'rising light,' carrying beautiful imagery of daybreak and new beginnings. The name gained modest popularity in the early 21st century, appreciated for its elegant, flowing quality and romantic feel. Orianna offers the friendly nicknames Ori or Anna while maintaining its sophisticated full form. The name has a musical quality with its rhythm and vowel sounds, giving it a graceful, feminine energy. Though not among the most common names, Orianna has remained consistently recognized across English-speaking countries, striking a balance between familiarity and distinction.
  18. Orella
    • Origin:

      Latin
    • Meaning:

      "announcement from the gods, oracle"
    • Description:

      A pleasantly unfamiliar addition to the ella family of names.
  19. Ode
    • Origin:

      Word name or medieval English form of Otto
    • Description:

      If Story and Poet and Sonnet can be names that work as well for girls as for boys, why not Ode?
  20. Olivet
    • Origin:

      Place name
    • Description:

      Mount Olivet is a mountain ridge east of and adjacent to Jerusalem's Old City. It is named for the olive groves that once covered its slopes. Several key events in the life of Jesus, as related in the Gospels, took place on the Mount of Olives, and in the Acts of the Apostles it is described as the place from which Jesus ascended to heaven. This name makes a fresh alternative to Olivia and is worthy of consideration.

Introducing the Nameberry App

Nameberry App
Find your perfect baby name together with our new mobile app.
  • Swipe through thousands of names with your partner
  • Names you match on are saved to your shared list
  • Get personalized recommendations that learn based on your and your partner's preferences
  • Partner with friends and family to find names you all love
  • Backed by Nameberry's 20 years of data around name preferences.
Sign up to be notified when the app launches and to receive a discount on full access.
Nameberry App Logo