Names Ending in O for Girls

Sammyjo is a modern compound feminine name combining the familiar 'Sammy' (a diminutive of Samantha or Samuel) with 'Jo' (derived from Josephine or simply a standalone name). This fusion creates a distinctly casual, friendly name with an Americana or country feel. Popular primarily in the United States since the late 20th century, Sammyjo reflects a trend toward informal, hyphenated or compound names. It's often associated with a down-to-earth, approachable personality. While not among the most common names, Sammyjo has developed a niche following, particularly in southern regions. The name carries a cheerful, unpretentious quality that conveys warmth and accessibility, appealing to parents who favor names with a contemporary, conversational style.

Sammyjo

A cool and breezy nature name with a stylish sound, used by Volkswagen for one of its cars.

Scirocco

Cassio as a feminine name represents an intriguing gender crossover of what is traditionally a masculine name. The name derives from Latin origins, possibly related to the Roman family name Cassius, which may have meant "empty" or "vain." While predominantly used for boys, especially in Brazil and other Portuguese-speaking regions, its melodic ending makes it adaptable as a feminine choice. Cassio gained some recognition through Shakespeare's character in Othello. As a feminine name, it remains quite rare, appealing to parents seeking something distinctive with classical roots. The name carries an artistic, literary quality and projects both strength and elegance when used for a girl, making it a bold choice that balances traditional resonance with contemporary gender-neutral naming trends.

Cassio

A cool and breezy nature name with a stylish sound, used in the Scirocco spelling by Volkswagen for one of its cars.

Sirocco

Not as familiar as some other Asian imports; has a strong unisex feel. 

Orino

Closely tied to the widow of John Lennon. 

Noriko is most common among Gen X Japanese women, making it a dated choice in Japan.

Noriko

Neeco is an uncommon feminine name with multiple potential origins. It may be a variant spelling of Nico, which derives from the Greek name Nikolaos meaning 'victory of the people.' Alternatively, it could be a creative modern invention or adaptation from another cultural name. Despite traditionally being more commonly used for boys (as Nico), this spelling variant has found some use as a distinctive feminine name. Neeco has a contemporary, fresh sound with its double 'e' spelling giving it a unique visual appeal. The name carries a vibrant, energetic quality with its crisp consonants and flowing ending. While not widely used, Neeco appeals to parents seeking something unconventional and modern with a subtle musical quality to it.

Neeco

Patricia Arquette and Nicole Richie named their daughters Harlow, so why not consider this other great early screen icon? 

Garbo

Upper-crusty nickname occasionally used in Britain, particularly in 1930s novels featuring significant garden party scenes, but eclipsed here by Carrie et al. 

Caro

Cute and quirky nickname that stands on its own in Finland.

Pirkko

Nyco is an uncommon feminine name with varied potential origins. It may represent a creative modern invention or possibly derive from the Greek name Nico (meaning "victory of the people"), adapted with a distinctive spelling. The name's brevity and strong sound give it a contemporary edge despite its possible classical roots. Nyco remains quite rare in usage statistics, appealing to parents seeking truly distinctive options. The four-letter structure and balanced vowel-consonant pattern make it straightforward yet memorable. With its modern feel and gender-flexible quality, Nyco represents the trend toward short, striking names that work across cultural boundaries and resist traditional gender categorization.

Nyco

Flo is an antiquated nickname not often used these days, possibly because "Aunt Flo" is a euphemism for a period. 

New Zealand writer Ngaio (born Edith Ngaio) Marsh is the best-known bearer of this Maori nature name, properly pronounced ng (like the end of sing) -EYE-oh. It is the name of a tree indigenous to New Zealand, also called the Mousehole Tree.

Ngaio

Feo is an unusual feminine name with multiple possible origins. In Spanish, 'feo' literally means 'ugly,' making it an unconventional choice, though it may function as a shortened form of names like Feodora or Feofan. In Greek contexts, it could derive from Theophania, meaning 'manifestation of God.' As a feminine name in its own right, Feo remains extremely rare across all regions and time periods. Its brevity gives it a modern, minimalist appeal despite potentially ancient roots. The name's simplicity and distinctive sound might attract parents seeking something truly uncommon yet straightforward in pronunciation, though its Spanish meaning might give some pause.

Carlyjo is a feminine name that represents a modern compound creation, combining elements of traditional names Carly and Jo. Carly itself is typically a diminutive of Caroline (meaning 'free woman') or a feminine form of Carl (meaning 'man' or 'freeman'), while Jo is a shortened form of Josephine (meaning 'God will add'). This blended name reflects the contemporary trend of creating distinctive compound names. Carlyjo has a friendly, approachable quality with its casual, unpretentious style. It's relatively uncommon as a formal given name but fits with the pattern of combination names that gained popularity in the late 20th century. With its informal charm and Americana feel, Carlyjo appeals to parents seeking a name that sounds familiar yet stands out as unique.

Carlyjo

Nayo

Possibly to honor Canadian short story writer Alice -- though Alice is more far accessible and--until very recently-- nearly as distinctive. 

Munro

Neo, indeed--though it was a male character in "The Matrix."

 In the Southern African language of Tswana, it is a unisex name meaning "gift".

Milan is one of the hottest place names in recent years for both girls and boys — why not the Italian name for the beautiful city, Milano. Also a delicious brand of cookies.

Milano

Girl names ending in O include a diverse range of style options.

Margo is one of the most 

 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!).



 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. 

Girl names ending in the letter O such as Margo and Juno, with meanings, origins, and popularity (Page 7)

Girl Names Ending in O