Names Ending in O for Girls

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

Munro

Nayo

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

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

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

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

Noriko

Closely tied to the widow of John Lennon. 

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

Orino

Koshoo is a rare feminine name with likely multicultural origins. While specific etymology is uncertain, it may have roots in Asian or African naming traditions. The distinctive sound combines the strong 'K' consonant with a flowing ending. Koshoo has remained extremely uncommon in Western countries, maintaining its exotic appeal. Parents might choose this name seeking something truly unique with an international flavor. The name's rarity means it carries few preconceptions, allowing a child to define it through their own personality. The double 'o' ending creates a melodic quality when pronounced, giving it a gentle yet distinctive sound profile.

Koshoo

Olympic skier Picabo Street was allowed to choose her name at the age of three, and picked it possibly (a) after a nearby Idaho town or (b) because she loved to play peekaboo. No longer a single-person name, it is now worn by a number of satisfied bearers.

Picabo

The good news: the Po is Italy's longest river, flowing across the north. The bad news: Po is a manic, scooter-riding red Teletubby. 

A strong, charming choice that wears well cross-culturally. Reiko Mackenzie is a former cast member of The Real Housewives of Vancouver.

Reiko

Rayko is an unusual feminine name with potential Slavic or Japanese origins. In Slavic contexts, it may be related to 'ray' meaning 'paradise' or could be connected to words for 'radiant' and 'bright.' In Japanese usage, the meaning varies depending on the kanji characters used. As a feminine name in Western countries, Rayko remains extremely rare, giving it a distinctive quality. The name has a modern, cross-cultural sound with its crisp 'R' beginning and bright 'ko' ending. Its international versatility makes it appealing for multicultural families or those seeking a truly unique name. Despite its rarity, Rayko is relatively straightforward to pronounce in many languages, combining uniqueness with accessibility.

Rayko

Raiko is a feminine name with Japanese origins, meaning 'thunder child' or 'lightning child.' It combines 'rai' (thunder/lightning) and 'ko,' a common suffix for girls' names meaning 'child.' In some Finnish and Estonian contexts, Raiko may appear as a variant of Raiko (male form), derived from Raymond, meaning 'wise protector.' Though relatively uncommon in Western countries, it has gained modest appreciation for its distinctive sound and powerful meaning. Raiko offers a cross-cultural appeal with its concise yet melodic quality, making it increasingly attractive to parents seeking unique names with natural elements and strength connotations.

Raiko

Reignbo is a modern, inventive feminine name that appears to be inspired by the word 'rainbow.' The creative spelling incorporates 'reign,' suggesting majesty or sovereignty, blended with 'bo,' possibly a shortened form of 'bow.' This name represents the contemporary trend of word-inspired names with unique spellings. Extremely rare and likely of recent origin, Reignbo embodies qualities associated with rainbows—hope, promise, beauty, and diversity. The name would appeal to parents seeking a highly distinctive name with positive connotations and a modern feel. While lacking traditional historical roots, Reignbo offers the potential for personal meaning and stands out as truly unique, reflecting current naming trends that value individuality and inspirational natural phenomena.

Reignbo

Rainbo is a creative feminine variant of the English word 'rainbow,' representing the colorful arc that appears in the sky after rain. This unique spelling without the 'w' gives the name a distinctive quality while maintaining its connection to the natural phenomenon symbolizing hope and beauty. As a given name, Rainbo is extremely rare, embodying whimsical and free-spirited qualities. Parents choosing this name likely appreciate its positive associations with brightness, color, and the promise that comes after storms. The name carries a distinctly 1960s-70s counterculture vibe, evoking peace, harmony, and natural beauty, though it remains an uncommon choice in contemporary naming practices.

Rainbo

Ro is a casual short form that doesn't usually appear on the birth certificate on its own. But it makes a friendly nickname for any girls' name starting with Ro-.

Ruriko is a feminine Japanese name with rich cultural significance. Typically written in kanji characters, its meaning can vary depending on the specific characters used, but common interpretations include 'village child' (瑠璃子) or combinations that reference gems like lapis lazuli with other positive traits. The name carries a traditional Japanese aesthetic while being relatively accessible to non-Japanese speakers. In Japan, Ruriko gained popularity during the mid-20th century and has connections to several notable cultural figures, including actresses and literary characters. Outside Japan, the name remains uncommon but has gained some recognition through Japanese cultural exports like anime and literature. Ruriko offers parents seeking a name with Japanese heritage a melodious option with authentic cultural roots.

Ruriko

Sammijo is a modern, compound feminine name that blends the familiar 'Sammi' (a diminutive of Samantha) with 'Jo' (traditionally a short form of Josephine or Joan). This creative combination name emerged in the late 20th century as part of the trend toward unique, personalized names. The spelling variation using 'i' instead of 'y' in 'Sammi' and the direct attachment to 'Jo' without a hyphen gives it a distinctive, contemporary feel. While not among mainstream popular names, Sammijo appeals to parents seeking a friendly, approachable name with an individualistic touch. The name has a casual, spirited quality that projects warmth and friendliness. Similar combination names became increasingly common in English-speaking countries from the 1980s onward, though Sammijo itself remains relatively uncommon.

Sammijo

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

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 44)

Girl Names Ending in O