Unique Baby Names That End in O

Sounds like exactly what it is: The name of a romance novel hero.

Ivaylo was first borne by Ivaylo of Bulgaria, a 13th-century Bulgarian tsar, and it is still commonly used in its native country. It comes with the fashionable -o ending, a cool animal meaning, and a handsome sound.

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 lake. Easy to spell and pronounce, with a fun sound and the cool -o ending, Endo is a name that could cross cultures easily.

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 Buddhist state of suspension between one life and the next, resembling the Christian idea of Limbo. Bardo is also an ancient saint's name: Saint Bardo was the eleventh century bishop of Mainz, in Germany. Actress Sandra Bullock chose Bardo as her son's middle.

Ianto is a lively and unique spin on John, possible familiar to American sci-fi fans via the popular character on Torchwood.

Creative gem perfect for an architect's son, in tribute to modern Finnish-American architect Eero Saarinen.

An alternative spelling of Sopio, Sophio is occasionally used as a variation of Sophia in Georgia.

This sparky form of Vincent is used in Croatia and Slovenia, and it switches the stately feel of the original for something more playful with its fun -o ending sound.

One of the best known early Nemos was the captain in Twenty Thousand Leagues under the Sea, while the more familiar modern one is the animated little orange fish in the Disney movie. Unusual name well worth considering. By the way, there is also a Shakespearean Nemo and one in Dickens's Bleak House. An enchanting early comic strip by Winsor McCay was called Little Nemo.

A South Slavic name with a distinct, bold sound, Zdravko comes from the word "zdrav", meaning "healthy". The name is also associated with the geranium flower as the word for the flower starts with zdrav- in Bulgarian (zdravets), Serbian & Croatian (zdravac).

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 10th century archbishop of Cologne also known as Hanno of Worms.

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 expect to hear a lot more of.

With the current craze for ancient Roman names, variations of the Latin Augustus with its majestic meaning are becoming more popular in many cultures. Month name August, also drawn from the original Augustus, is the most popular form in the US, but Augusto may start showing up on international popularity lists.

Ugo is a familiar choice in Italy and France, where it is used as variation of Hugh or Hugo, but also in Nigeria, where it means "eagle" in Igbo.

Quito is a place-name (it's the capital of Ecuador) with lots of lively energy--as long as it's pronounced correctly.

Milagro is a feminine name of Spanish origin meaning 'miracle.' This beautiful name carries profound spiritual significance in Hispanic culture, often given to children whose births were considered miraculous or particularly blessed. Milagro is also associated with religious miracles in Catholic tradition. While relatively uncommon in the United States, the name maintains steady popularity in Spanish-speaking countries and communities. Its melodic quality and meaningful background make it a powerful choice for parents seeking a name with depth and cultural significance. The name's four syllables create a rhythmic, flowing sound that embodies its celebratory essence. Milagro may also be chosen to honor Hispanic heritage or express gratitude for a child seen as a blessing.

The Galician form of George; an extravagant option for lovers of the letter X.

Meaning "implacable; unceasing", Alecto is the name of one of the three Furies in Greek mythology: deities of the Underworld who were responsible for punishing the crimes of humanity. J. K. Rowling used the name for a Death Eater, Alecto Carrow, in the "Harry Potter" series.

Derived from the Greek myrtos, Myrto appears a number of times throughout Greek mythology. It is the name of one of the Maenads (followers of Dionysus), the sister of Patroclus, and an Amazon woman.