Sophie is the French form of the Greek Sophia, for which it is also commonly used as a nickname. Given Sophia's long standing among the Top 10 girl names in the US, Sophie may feel more popular than it actually is.

Sophia, which was the Number 1 girls' name in the US from 2011 to 2013, is among the top girl names in the Western World, with a sensuous sound and high-minded meaning. A real winner, Sophia reached the top of the charts without losing any—okay, much—of its sophisticated beauty.

Sebastian is an ancient martyr's name turned literary, and Little Mermaid hero—think Sebastian the Crab—that's more popular than ever, as a classic-yet-unconventional compatriot for fellow British favorites T Theodore and Oliver.

The image of the lovely Lady Sybil, tragic youngest daughter of the Crawley family on Downton Abbey is likely to go a long way towards reviving this almost forgotten name, off the list since 1966 and most popular in the 1920s and '30s.

Sofia is a refined variation of the Greek name Sophia, which was derived directly from sophia, the Greek word for wisdom. It was the name of a Roman saint—the mother of Faith, Hope, and Charity—and queens of Russia and Spain.

Stephen, also spelled Steven, is a strong and likable classic, with the he's-a-great-guy short form Steve. Though not as well-used or fashionable as it was in its heyday -- it was a Top 25 name from 1946 to 1957 -- it's still a widely used name. It remains an even more popular in Ireland.

Selene may be the mythological Greek original, but Latin variation Selena is used more often in the US these days. Selene is the Greek goddess of the moon, sister of Helios the sun god. Selene is also sometimes called Cynthia and Phoebe. The name may be related to the word selas, which means light, and is one of the loveliest of the Greek goddess names.

Stephanie is the feminine form of Stephen, derived from the Greek name Stephanos, associated with crowns and garlands It's been the name of several royal women throughout history, including the medieval Stephanie, Queen of Navarre, and Princess Stéphanie of Monaco, the daughter of Grace Kelly and Prince Rainier of Monaco. International variations of Stephanie include the German Stefanie, Italian Stefania, and Spanish Estefanía.

Stately and elegant, but with the familiar sounds of Sophia and Sophie, Sophronia was a familiar choice back in the 19th century but has since fallen into obscurity. Derived from the Greek sophron, it means "sensible, self-restrained".

Sapphira is a lovely name which unfortunately has an unsavory Biblical history. The New Testament Sapphira was killed by God for lying about a tax payment.

The original but less common spelling of Sybil, this name comes from Greek and Roman mythology, in which the sibyls were female prophets. A name that has dipped in and out of style since the Middle Ages, the rise of the lovely Lady Sybil Crawley on television's Downton Abbey may shine a light on this mythological name.

Name of the 7th century BC Greek lyric poet born on the island of Lesbos, whose name has been synonymous with lesbian love. Though this name is rarely used today, it certainly could be and, some might say, SHOULD be revived.

The name of two Biblical figures, one a supporter of St. Paul and the other a Corinthian ruler. Virtually unknown in the U.S. but used in the form Sosthene in modern France.

Stefania is the feminine form of Stefan, ultimately derived from the Greek name Stephanos (Στέφανος), meaning 'crown' or 'garland.' This elegant name has been used throughout Europe for centuries, particularly popular in Italy, Poland, Romania, and other Eastern European countries. Stefania was the name of several royal and noble women throughout history, contributing to its sophisticated image. In English-speaking countries, it remains less common than the variant Stephanie, giving it a touch of exotic flair. The name carries connotations of dignity, achievement and victory, referencing the laurel wreaths that were placed on the heads of winners in ancient Greece. Stefania combines classic heritage with a melodious quality.

Became completely feminized in the unisex name revolution of the seventies.

Despite the reputation of the sagacious ancient Greek lawmaker, this name hasn't moved to the modern world.

Associated with the ancient Greek philosopher, Socrates (often spelled Sokratis) is quite common in traditional Greek families, but for others, we think Plato (the name of his pupil) might be easier to handle for those wanting a philosopher-inspired choice.

The lovely Sybella is being nudged into the spotlight by two influences: the original Sybil (the most popular spelling) or Sibyl, name of the beauteous youngest sister of television's period megahit Downton Abbey, and Top Ten name Isabella. Biggest downside: There are an awful lot of girls with names that are variations of Bella around these days. But Sybella at least makes a distinctive member of the genre.

One of the most severely punished characters in Greek mythology, and the first two syllables don't help.

A name that conjures up billionaire shipping magnates like, for instance, Stavros Niarcos.