Name Spellings, Initials and Sounds
Unique Baby Names That End in O
Across 8 pages
of 8
Halo
American word name
"circle of light"
Celestial and space-age, Halo is a contemporary choice that first appeared in the US stats for boys in 2008. Currently more popular for girls, it is nevertheless on the rise across the board. One on…
Aldo
Italian from German
"old and wise"
A spirited German name very popular in Italy and occasionally used here, Aldo is one of the unique baby names with international flair. And names that mean wise have an enduring appeal.
Roscoe
English, Norse
"deer forest"
Fairly popular a hundred years ago but out of the US charts since 1978, the quirky yet edgy Roscoe feels very much in step with the trending o-ending boy names popular now, such as Milo, Hugo, and…
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…
Anno
Form of Hanno, diminutive of Johan, German variation of John
"God is gracious"
Anno is an extreme rarity: a simple, familiar-sounding name with deep history that is completely unknown in the US and rare in its native Germany. Anno is the name of a saint also known as Hanno, a…
Bardo
Short form of Bardolph or Aboriginal
"water"
Bardo has a poetic beginning and upbeat ending, with roots in several diverse cultures. It may be most familiar today via George Saunders' novel Lincoln in the Bardo , which refers to the Tibetan…
Benno
German
"bear"
Benno is a cool name in its own right -- there was a tenth century Saint Benno -- though it is also used as a lively nickname for Benjamin. Saint Benno of Meissen is the patron saint of anglers and…
Vito
Latin
"alive, life"
Old World Italian name that might become fashionable in a so-far-out-it's-in way, like Enzo and Rocco. Main recommendation: It's among the rare boy names that mean life .
Viggo
Scandinavian
"war"
Though to most Americans Viggo is a one-person name attached to intense actor Mortensen, it is actually an old Norse name dating back to the Vikings, and is currently the 32nd most popular…
Ivo
Germanic, Slavic
"yew wood, archer; God is gracious"
Succinct, stylish, and catchy, Ivo has the energetic impact of other names ending in -o . It is a multicultural choice with two distinct origins, and, as such, is familiar across a variety of…
Rosario
Spanish
"rosary"
Anglo parents are taking note of this Hispanic classic, thanks to actress Rosario Dawson and a character on Will & Grace. Poetic and powerful, it comes from the Spanish title of the Virgin Mary,…
Natalino
Short form of Natale, Italian variation of Natalia
"born on Christmas Day"
Natalino is the jaunty Italian male nickname for the gender-neutral Natale. And it has that fashionable o ending. Natalino might work as a nickname for Nathaniel too.
Laszlo
Hungarian
"glorious ruler"
The Hungarian classic Laszlo, with its zippy 'z' middle and energetic 'o' ending, has become something of a hipster option, beginning to be considered by cutting-edge parents. A name with a royal…
Hero
Greek
"demi-god"
Despite the possibility of gender confusion, the Hero in Greek myth was a woman. Myleene Klass got that when she chose Hero for her daughter, and Sam Taylor-Wood and Aaron Johnson used it as their…
Merrow
Hiberno-English
"mermaid"
In Irish mythology, the term merrow was synonymous with "mermaid." According to legend, the merrow wear caps called cohuleen druith so they can remain under the water. Merrow is Hiberno-English —…
Kitto
Cornish, diminutive of Christopher, Greek and Latin
"bearer of Christ"
Kitto updates Dad Name Christopher with a trendy o-ending short form. Use it as an honor name or an original nickname.
Pio
Latin
"pious"
Though the variation Pius is too, well, popeish, Pio might work for an ordinary boy.
Leto
Greek mythology name
"wife or hidden"
Leto is the titaness of motherhood (there's a title!) and, with Zeus, mother of the twin Olympians Artemis and Apollo. Simple, sleek, and unique, Leto is one mythological name for girls we might…
Endo
Estonian, from a place name
This cute Estonian name is typically a short form of Endel, although it has a history of being used as a stand-alone. It originates in the feminine name Endla, originally the name of an Estonian…
Shahlo
Uzbek, from Arabic
"having blue, navy blue, or dark eyes"
The Uzbek form of Shahla, traditionally used for children whose eye colour matched the name's meaning. With an enchanting sound and charming -o ending, Shahlo is a well-used name in Uzbekistan.