1770+ Boy Names Ending in O

A Top 50 name in Finland, deriving from a colloquial word for "brother".

This international variation deserves its own listing for a winning combination of distinctiveness and simplicity.

This name of a renowned Apache leader and mystic would be a difficult choice, since it was used as a rallying cry in so many old westerns and by paratroopers jumping out of their planes in World War II.

Desiderio was the full name of the Cuban bandleader who famously Loved Lucy. There was also a Saint Desiderio. Major attraction: the great nickname Desi.

A possible last-name-first name represented by former first baseman Chris Sabo.

An intriguing Hawaiian boy's name much more distinct and unique than Kai or Koa.

Hidalgo is the name of a minor planet, and, on Earth, the Spanish word for a nobleman, but we don't see much crossover potential.

Most frequently seen as a surname of those with Italian or Spanish heritage. The Italian variation is a habitational surname denoting ancestors from the town of Revello, while the Catalan (sometimes spelled Revelló) derives from revell, meaning "wild olive tree."

Although he goes by the alias Pain in Naruto, Nagato's name actually means "long-lasting gate." It is speculated that his name comes from famed 16th-century ninja Fujibayashi Nagato.

Associated with famed percussionist Mongo Santamaria, but it's too close to the word mongrel to ever have widespread success in this country.

A common unisex name used frequently in South Africa.

The name of one of the Nereids – daughters of the sea god Nereus – in Greek mythology. A moon of Neptune is named in her honor. In modern times, works just as well (or perhaps even better) for a son.

Reko is a Finnish nickname for the Swedish name Greger, which shares roots with Gregory. Reijo is another form seen in Nordic countries.