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Girls Names Beginning With O
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The names
Olivia
Latin
"olive tree"
Olivia, a lovely Shakespearean name with an admirable balance of strength and femininity, is one of the top girls' names around the world. 2025 marked its 7th consecutive year in the #1 spot in the…
Oakley
English
"oak wood or clearing"
Oakley, with its nature name roots and its Annie Oakley charm, is a hot name for both genders but more than twice as popular for girls. This name made it into the Top 1000 for the first time in 2013,…
Olive
English, from Latin, nature name
"olive tree"
Though greatly overshadowed by the trendy Olivia, Olive has a quiet, subtle appeal of its own -- and is now enjoying a remarkable comeback. Olive is one of only four girl names starting with O on the…
Ophelia
Greek
"help"
Floral, elegant, and bold, Ophelia re-entered the US Top 1000 in 2015 after more than 50 years off the charts. It has risen more than 700 spots since then and shows no signs of slowing down. Now in…
Octavia
Latin
"eighth"
Octavia began as the Latin, then Victorian name for an eighth child. While there aren't many eighth children anymore, this ancient Roman name has real possibilities as a substitute for the overused…
Opal
Sanskrit
"gem"
Opal is on the verge of a repolishing, following other jewel names like Ruby and Pearl. A Top 100 name during the first two decades of the twentieth century, the opalescent Opal has a good chance of…
Oaklee
Variation of Oakley, English
"oak clearing"
Oakley is one of the truest unisex names for babies, achieving a 56-44 gender distribution, favoring girls. Oaklee is 80% female and may serve as a clearer identification of sex, if that’s what…
Ocean
English, nature name
Ocean is a nature name that comes right out and states its meaning and association. Full of power and depth, Ocean is one of the fastest-rising baby names for both girls and boys, making the US Top…
Octavie
Octavie is a feminine name with Latin origins, derived from the Roman name Octavius, meaning 'eighth' or 'born eighth.' It's the feminine form of Octave, particularly used in French-speaking regions.…
Ollie
Short form of Olive or Olivia, Latin
"olive tree"
Ollie is used less often as a nickname for the mega-popular Olivia or the stylish Olive than Ellie is for Eleanor or Allie for Allison. That may be because Ollie has a much longer use as a nickname…
Orra
Variation of Ora, Latin
"prayer"
Orra and Ora are simple yet rare names with a lovely religious meaning.
Odette
French, from German
"wealthy"
Odette is the good swan in Tchaikovsky's ballet Swan Lake , a role for which Natalie Portman won an Oscar ---and it would make a particularly sophisticated yet upbeat choice. In fact, it charted in…
Olivine
Latin
"olive"
A gem named for its green hue.
Oralia
Oralia is a feminine name with Latin and Spanish origins, derived from the Latin 'oralis' meaning 'spoken' or relating to the mouth or speech. Popular primarily in Hispanic communities, this melodic…
Odalis
French, Spanish
"chambermaid, concubine; wealth, fortune"
Also appearing as Odalys, this name has two possible origins, one more favorable perhaps than the other. Used predominantly in Spanish speaking countries, and in the US, Odalis may come from the…
Ottilie
German, French
"prosperous in battle"
Ottilie is trending in the UK, where the pronounced T helps the name sound pretty and delicate, rather like Amelie and Elodie. Ottilie is less popular in the US, where many Americans pronounce it as…
Oleta
Variation of Aleta, Alethea, Alida, Alda, or Olida, Latin, Greek, English, German, Spanish
"truth, verity; small winged one; prosperous, noble; olive tree"
A simple yet distinctive choice with a whole host of origins and meanings, Oleta could be an interesting alternative to Olivia, Lotta or Ottilie. On one hand, the name is considered a variation of…
Odessa
Russian form of Odesa, Ukrainian place-name
"voyage"
Odessa, (transcribed as Odesa in Ukrainian) is a Ukrainian port city and was given its name by Catherine the Great, who was inspired by Homer's Odyssey . It would make an original and intriguing…
Olga
Slavic variation of Helga, Norse
"holy"
This Slavic form of the Norse name Helga is a classic in many Slavic countries, including Russia and Poland, where it currently ranks within the Top 100 girl names. It has historically ranked among…
Ottilia
German and Swedish
"prosperous"
Form of Ottilie or Odilia
