Matilda is a sweet vintage name that has been gently climbing the popularity list for the past 15 years, after a half-century slumber. The spunky children's book heroine Matilda is one factor in its rise, along with others of its class like Eloise and Caspian.

Linnea is an attractive Scandinavian name that derives from the renowned 18th century Swedish botanist Carl Linnaeus, who developed the Linnean system of classifying plants and animals.

Oona is a name made famous by Eugene O'Neill's daughter, who became Charlie Chaplin's wife. One of the original Oona's granddaughters was named after her, and is now an actress famous in her own right for playing Talisa of Volantis in HBO's "Game of Thrones." The double-o beginning gives their name a lot of oomph.

Annika is a surprise hit of recent years, inspired by golfer Sorenstam; for Trekkies, it was also the name of a 'Star Trek:Voyager' character. Some people's first memory of it might be as Pippi Longstocking's friend. A nice namesake for an ancestral Ann.

Mari enjoyed some mid-century popularity as a nicknameish version of Mary, but now deserves a second look as a multicultural classic. Popular in Norway and Armenia as a variation of Marie, it is also the name of a Basque goddess and an Estonian word name.

Originally popularized in eighteenth century Europe due to the fame of Anna Amalia, a Duchess who was a great patron of the arts, Amalia is now a widely cross-cultural name, heard from Italy to Romania, Germany to Scandinavia. Popular in the Netherlands, Chile, France, and Puerto Rico, it can be pronounced as ah-MAH-lee-ah or ah-MAIL-ya or ah-mah-LEE-ah, to name a few options.

The dynamic personality and paintings of Mexican artist Frida Kahlo have inspired growing numbers of parents to resurrect this form of the name. It does much better in certain European countries, especially in Denmark and Norway. The Frieda and Freida spellings were more popular in the US until the middle of the 20th century.

The one-named singer clarified the confusing pronunciation on this one (in her case, it's shah-DAY), but a number of parents have looked for more phonetic spellings. The Finnish version means "rain."

Has a pure, clean aura, but is also evocative.

This royal Danish name has long been used across Scandinavia, Germany and Slavic countries and somewhat in the US around the turn of the last century --it was #622 in 1888. There were two notable silent screen stars named Dagmar, one with Polish, the other with Danish roots.

Now that Isla Fisher has pushed her once-obscure name into the Top 150, some parents are looking for similar-sounding Scottish names for girls that are further off the beaten path. This one is especially promising, with its cross-cultural appeal. Ayla, a common name in Turkey, is also worth considering.

Popular throughout Northern and Eastern Europe, particularly in countries like Sweden, Norway, Russia, and Germany, Sonja has a rich cultural heritage. The name gained international recognition through figures like Sonja Henie, the Norwegian Olympic figure skating champion.

This nickname-name is very popular in Germany, though Lottie is still the preferred version in the US. The problem, of course, is that you'll have to put up with a lotta jokes. See?

Sanni derives from Sanna, a variation of Susanna used in Scandinavia.

A sleek yet friendly name of Finnish and Estonian origin, Talvi is familiar in Finland, Estonia, and Sweden, but rare in English speaking countries. It comes from the Finnish talvi or Estonian talv, meaning "winter", making this an unexpected name to celebrate the colder seasons, to honor someone born in the winter months, or to give to a Christmas baby.

Gretel originated as a nickname for Margarete, the German form of Margaret. It’s a charming name, but most American parents prefer Greta, as Gretel is strongly tied to the fairy tale heroine.

Variation of Michaela often used in Scandinavian countries. Oscar-winning actress Mikey Madison's formal name is Mkaela, spelled this way. Mikaela is a Top 20 name in Puerto Rico.

Pippi Longstocking author Astrid Lindgren invented the name Ronja for her book Ronja, the Robber's Daughter. She was inspired by the lake Juronjaure, located in Norrbotten, Sweden.

A sweet and international short form of Catherine, pronounced like Katya and used in various European languages.