Most of us had never heard this lovely Welsh name with links to the moon until we heard the 1976 smash hit Fleetwood Mac song of that name, with lyrics by Stevie Nicks. That same year it popped onto the U.S. Top 1000 at Number 593.

Rhea is an old-style creative name of the Greek mythological earth mother of all the gods. A lot better than the Roman equivalent: Ops.

After a 60 year slide down the popularity ladder, Robin made a turnaround in 2020 and began climbing back into favor for baby girls. One reason may be its new status as one of the most evenly-divided gender neutral names.

As sweet-smelling as Rose but with an international flavour, Rosa is one of the most classic Portuguese, Spanish and Italian names, which is also favored by upper-class Brits, having an ample measure of vintage charm. Rosa has been on the popularity charts for every year that's been counted, especially popular from the 1880s through the beginning of the twentieth century.

An appellation for the Virgin Mary, "Queen of the apostles." After three years off the US popularity charts, Reina rejoined the list in 2014, though it lags behind alternate spellings Raina, Rayna, and Reyna. It is also used in Yiddish and in Japanese.

Roxy, also spelled Roxie, is one of those high-stepping showgal names with plenty of moxie, among the many sassy nickname names on the U.K. popularity list--currently Number 398.

A strong and stylish alternative to the super-fashionable Luna, with a double background as a Scandinavian and Japanese name. It's the female form of the Nordic male name Rune, meaning "secret lore", and also a Japanese name meaning "moon" – making this an undiscovered celestial choice.

Widely used across Europe as a common baptismal name symbolizing spiritual rebirth, Renata, in this country it has an operatic image via Italian-born divas Renata Tebadi and Renata Scotti.

This lovely, quintessentially British appellation, also spelled Rosamond, is the name of a legendary twelfth-century beauty. Rare on these shores, it is more than worthy of importation.

A strong, straightforward Irish unisex surname, with a merry glint in its eye, Reagan has been leaping up the popularity lists, to become one of the top girl names starting with R. Some will inevitably link it to President Ronald, but spell it Regan and it's a Shakespearean name: a daughter of King Lear.

All the old ae/ay middle names for girls are back — Kay, Fay, Mae/May — and Rae is one of the coolest, used as such by celebrities as Mark Wahlberg and Daniel Baldwin.

With strong sounds but a whimsical feel, Reverie is a word name associated with being in a dreamy, ethereal state, of being lost in a daydream, or coming up with a pleasant fantasy for the future. Similar in cadence to popularly Everly, it was given to around 80 girls in a recent year.

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.

A classic name with regal elegance--Queen Victoria, like other queens, had Regina appended to her name. She was a Top 100 name in the 1960s.

One of the glamour girl names of the Rita Hayworth 1940s, Rita was once a Top 50 name and stayed on the SSA list until 2002.

Elegant and bright with plenty of flair, Rosalia is widely-used in Spain and Italy, where there is a Sicilian Saint Rosalia. The name Rosalia refers back to the annual Roman ceremony of hanging garlands of roses on tombs, which could make it work as a commemorative name, though today it would most likely be used in honor of the uni-named Spanish pop star Rosalía.

Bird name Raven, once a symbol of pride for both African-American and Wiccan parents, is finding new life as a superhero name. Raven Darkholme is the real name of Mystique, heroine of the X-Men films played by Jennifer Lawrence. And there is another Raven superheroine in Teen Titans. Some parents may still choose Raven to signal black pride or mystical powers or maybe even Edgar Allan Poe fandom, but we are guessing most inspiration is coming from the comics.

This eye-catchingly unique name was coined by Cameron Diaz and Benji Madden, who gave it to their daughter, born in 2020. It may derive from the Latin radix, meaning "root", or perhaps from the Slavic name element rad, meaning "happy; willing".

Raddix is among the most unique celebrity baby names of recent years.

A superlative word name along the lines of Saint, King, Princess, and Chosen, Royal was mostly used for boys — as in Wes Anderson's anti-hero Royal Tennenbaum — until Lil' Kim named her daughter Royal. Reign in 2014. While it was Reign that really took off for girls, Royal also got a boost and entered the Top 1000 in 2015.

Rio is one of Japan's most popular girls' names, constantly sitting in that country's Top 10. Of course, Rio may also stem from the Portuguese and Spanish word for river, and the Brazilian city Rio de Janeiro. A truly international name for a cosmopolitan baby!