Girl and boy - R

Strong and solid, with a touch of foreign intrigue, it's the most popular of the rain-related names, with a variety of pronunciations—RAY-na, rah-EE-na, or RY-na. Alternate spellings Reyna and Rayna currently rank higher in the US.

Known in America via the wife of Soviet head Mikhail Gorbachev; a possibility for parents of Eastern-European descent wanting to move beyond Natasha and Nadia or for parents from the Middle East looking for a name that works in both cultures.

Ramona is a sweet spot name – neither too trendy nor too eccentric. Kids will associate it with the clever Ramona Quimby character in the series of books by Beverly Cleary, also seen on TV. It was chosen by starcouple Maggie Gyllenhaal and Peter Sarsgaard for their little girl, who would be joined by sister Gloria.

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.

A title of the Hindu sun god, made cross-culturally famous by sitar player Ravi Shankar.

Refers to one of the seven sacred rivers of India.

It wasn't so long ago that Romeo was considered as outre for an American baby as Casanova or Cupid. But that really changed when David and Victoria Beckham chose it for their second son in 2002, a path followed by Jon Bon Jovi.

Despite appearances, Rosemary is not a "smoosh" name, not even a traditional one. The name derives from two Latin terms "Ros" meaning ‘dew’ and "Marinus" "meaning "of the sea". The plant was termed ‘dew of the sea’ due to its salty texture and its ability to thrive in coastal climes. Only after the Middle Ages did the English names of Rose and Mary become interchanged with the name Rosmarinus and give us the modern name we use today.

The streamlined Spanish Ruben is much more popular than the original Biblical Hebrew version in the US.

Ruby, vibrant red, sassy and sultry, outshines other revived vintage gem names, with its sparkling resume of cultural references. Ruby is proof of the 100 Year Rule, trending again for the first time since its last heyday in the 1920s.