Girl Names Ending in O
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About this list
Girl names ending in O include a diverse range of style options. Margo is one of the most popular girl names ending with O right now, and is the only O-ending girl name in the US Top 1000 (compared with nearly 100 O-ending names for boys!). Unique girl names ending with the letter O that are attracting attention include Calypso, Cleo, Coco, Halo, and Rio. Juno is a baby girl name that ends with o that is a Nameberry favorite, as is Indigo. Here are all Nameberry’s girl names that end with the letter O, ordered by their current popularity on Nameberry.
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The names
Margo
French, diminutive of Margaret
"pearl"
Margo and Margot sound exactly the same, so why has the Margot spelling hopped back onto the Top 1000, outpacing Margo in numbers more than two to one? (Over 350 baby girls were named Margot in the…
Cleo
Greek
"glory"
Cleo, one of the few girls' names to boast the cool-yet-lively o ending, is of course short for Cleopatra, the name of one of the most powerful women in history. Cleo was most popular in the early…
Halo
English, word name
Halo is a glowing word name that's both cosmic and spiritual, and with its shiny imagery and bright sounds, it was one of the fasted rising names in 2023. The word "halo" has been used in English…
Cielo
Spanish word name
"sky"
Like Araceli, Cielo is a heavenly name associated with the Virgin Mary. Cielo, the Spanish word for "sky," began being used as a name in honor of María del Cielo , a title for the Virgin Mary meaning…
Echo
Greek mythology name
"echo or sound"
Echo, the pretty, resonant name of a legendary nymph, was the heroine of Joss Whedon's sci-fi series Dollhouse . Nick Hexum, of the band 311, named his daughter Echo Love. In the Greek myth, Echo was…
Indigo
Greek
"Indian dye"
Indigo is one of the most appealing and evocative of the new generation of color names. Color names have joined flower and jewel names -- in a big way -- and Indigo, a deep blue-purple dye from…
Ilo
Finnish
"joy"
Loretto
Variation of Loretta
"bay laurel"
Loretto is an old school spelling of the more common Loretta, which comes from the Italian Laura diminutive Lauretta. Antiquated to the point of extinction -- no baby girls have received the name in…
Tamiko
Tamiko is a feminine Japanese name with several possible meanings depending on the kanji characters used to write it. Common interpretations include 'child of many beauties,' 'abundant child,' or…
Amparo
Spanish and Portuguese
"refuge, shelter"
Amparo is a medieval name related to the Virgin Mary most closely associated with the city of Valencia, in Spain. Although it does not appear at all on the most recent US name roster, meaning it was…
Yoshiko
Yoshiko is a traditional Japanese feminine name combining elements that typically mean 'good' (yoshi) and 'child' (ko), though the meaning can vary depending on the specific kanji characters used to…
Jo
Diminutive of Joanna or Josephine, Hebrew
"Jehovah increases"
The name Jo still evokes the spunky image of the character in Louisa May Alcott's Little Women . Its literary status makes Jo one of the OG boyish nicknames for girls, ala Frankie, Billie, and…
Consuelo
Spanish from Latin
"she who brings consolation"
Consuelo is a chic, highly sophisticated Spanish name that works well with Anglo surnames. It was regularly on the U.S. popularity list through 1983, reaching as high as Number 339 in 1930. The name…
Flo
Diminutive of Florence, Latin
"flourishing, prosperous"
Flo is an antiquated nickname not often used these days, possibly because "Aunt Flo" is a euphemism for a period.
Haruko
Japanese
"born in spring"
A traditional possibility for a Japanese or Japanese-American child born in April or May.
Caro
Diminuitve of Carol or Caroline, English, French ,"free man"
"free man"
Upper-crusty nickname occasionally used in Britain, particularly in 1930s novels featuring significant garden party scenes, but eclipsed here by Carrie et al.
Lucero
Spanish
"light"
Lucero is a relative or nickname of Luz, meaning light. This intriguing name is swimming just beneath the Top 1000 for girls in the US.
Imo
Nigerian place name
The rural Imo State in southeast Nigeria is named after the Imo River, which runs through it. An obscure but intriguing possibility as a first name.
Rocio
Spanish
"dewdrops"
This name, which refers to Mary as the Virgin of the Dew, is all but unknown in the Anglo community, but popular enough in Hispanic families that it made the US Top 1000 until least until 2006. Also…
Kazuko
Japanese
"child of peace"
Kazuko is a Japanese feminine name that combines the character kazu ("harmony") with ko ("child"), creating a name that in total symbolises a child of peace. In Japan, names ending in ‘ko’ are rarely…