1770+ Boy Names Ending in O

With brother name Theodore ranking in the US top 10, this alternative might appeal to parents looking to honor Italian, Portuguese, or Spanish heritage.

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.

Identical in sound to Lonzo, although the names have different origins. Lanzo is a Germanic root meaning "land," and the source of names such as Lance and Lansing.

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

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

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

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

Rhythmic and captivating.

The lead character of the Oscar-nominated 2016 film "Kubo and the Two Strings" lives in Edo-period Japan, but his name is more often heard as a surname in Japan. Still, fans of the animated movie may want to consider it.

Minto is used for both sexes in Japan, commonly with the kanji combination equating to the word for "mint."

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.