Widely heard in both Italian and Spanish households, Sergio and his many international brothers are rooted in Sergius, one of the original Roman family names. The meaning is unknown, but possibly is related to servant or protector.

Softer and smoother than Alexander, this classic Spanish name for boys has made a seamless transition to this culture. Adding to its current impact: the Lady Gaga song Alejandro .

Simple and universal, Marco is a Latin classic that would make a much livelier namesake for an Uncle Mark. It was used for her son by actress Jill Hennessy and goes well with surnames of any nationality.

Mike Tyson put a twist on his own name by naming a son Miguel. It's the first name of Cervantes, the great Spanish novelist and poet who wrote Don Quixote.

A vibrant, operatic choice with plenty of flair and plenty of familiarity too. Popular in Italy, Chile, Uruguay, and Brazil, it also ranks in the Top 500 in France and the US. Operatic tenor Luciano Pavarotti and football manager Luciano Spalletti are two notable bearers

Leandro is a variation of the Ancient Greek name Leander, created by combining the Latin words leo and Andro together, to get a meaning that suggests strength, power, and bravery. The Hero and Leander myth lends the name a romantic, poetical feel, while it's association to Bishop Leander of Seville gives it a more saintly quality.

A Hispanic classic that has lost some momentum in recent years. It could be misunderstood by some as Jamie -- which is how it's pronounced on Game of Thrones.

Alonzo is dashing and debonair, with a large measure of Latin flair.

About 100 baby boys were named Lucio in the US last year, a number we expect to increase with the growing popularity of all names in the Lu family. It's a family united by sound, with three main branches.

Pablo, the commonly used Spanish version of Paul, has the added bonus of some fantastic artistic bearers: painter Picasso, cellist Casals, and poet Neruda. Pablo has been consistently in the US charts since records began, and has been within the Top 500 since the mid 60s. However, Pablo has never cracked the Top 200, making it familiar but not overused or tired.

Ignacio, like Horacio, makes its gray-bearded English equivalent name sound positively dashing. While the Ig- beginning summons up such associations as ignoble and ignorant, the era for Ignacio and Ignatius and Iggy may be nigh.

Carmelo is a well-used Hispanic name associated with Mt. Carmel, home of the prophet Elijah and the location of the convent for the order of Carmelites. Carmelo is also a saint's name and — in modern times — tied to basketball player Carmelo Anthony.

Cayo is a rare and rhythmic Spanish name, all but unknown in the English-speaking world, that would make a lively choice.

It's tempting to think of Gui as the Spanish form of Guy, but it's short for Guillermo.

Popular among Hispanic communities but also used internationally, Manuel is a name with a regal history.

Francisco is one of the more popular Spanish names for boys in the US, which is unsurprising given its popularity back in Spain and Portugal as well as Latin America, coupled with its classic status. It also has a cool hipster vibe to it, given the reputation of the city of San Francisco.

Raul and French brother Raoul are much more appealing than flat-footed daddy Ralph. Puerto Rican actor Raul Julia, who starred in the Addams Family movies, brought fame to the name before his death in 1994.

Based on the ancient name Marcellus, drawn from Mars the god of war, Marcello -- it's pronounced mar-chell-o -- is one of the most lush and attractive Latin names.

This classic Spanish name is well-used throughout Latin America and easily crosses cultures, ranking in the US Top 1000 for over a century. Vicente is notable as the name of Vicente Fernandez, the king of mariachi.

Pedro is one of the most familiar Spanish names for boys, via baseball star Pedro Rodriguez and many others.