Lilith is derived from the Akkadian word lilitu meaning "of the night." In Jewish folklore she is portrayed as Adam's rejected first wife, who was turned into a night demon for refusing to obey him. Lilith is unrelated to most other Lil- names, with the exception of Lilita, which is the Latvian variation.

The luminous Ingrid Bergman's appeal was strong enough to lend universal charisma to this classic Scandinavian name, which has been somewhat neglected in the US. Even today, a child named Ingrid would be assumed to be of Scandinavian ancestry, signaling the name has never been fully integrated into the English lexicon the way other European choices from the same era like Danielle or Kathleen have.

Guinevere was the name of the beautiful but ill-fated queen of Camelot, for so many years eclipsed by its modern Cornish form Jennifer. Today, Guinevere could be a cool possibility for adventurous parents intrigued by this richly evocative and romantic choice.

Althea is a poetic, almost ethereal name found in Greek myth and pastoral poetry, associated in modern times with the great tennis player Althea Gibson, the first African-American to win at Wimbledon.

Delphine is a sleek, chic French name with two nature associations — the dolphin and the delphinium, a bluebell-like flower, a well as a link to the ancient city of Delphi, which the Greeks believed to be the womb of the earth. All of these derive from the Greek word delphus "womb".

Sleek and serious, yet bright and energetic at the same time, Cynthia appears in classic mythology as an epithet for Artemis or Diana. While it is now a more neglected choice, it was once hugely popular in the middle of the 20th-century, peaking at #7 in the US, and in the Top 20 by diminutive Cindy.

Cosima, the kind of elegant and unusual name the British upper classes love to use for their daughters, is given to a handful of baby girls in the US after being chosen by two high-profile celebs in the same month; cool couple Sofia Coppola and Thomas Mars as well as supermodel Claudia Schiffer. It was used earlier by celebrity chef Nigella Lawson, while the male form, Cosimo, was given to the son of Marissa Ribisi and Beck.

Seren is a top girls' name in Wales – and a lovely choice almost unknown elsewhere. Seren, in the Sirona form, was an ancient goddess of the hot springs.

An attractive French word name known here via former child TV star Soleil Moon Frye, aka Punky Brewster. It started to be lightly used in the U.S. in the 1920s and is now attracting some attention as both a sunny nature and an international word name. It's currently in the Nameberry Top 500.

One spelling variation that's more popular than the original, this somewhat old-fashioned name might be in honor of poet Gwendolyn Brooks, the first African-American to win a Pulitzer prize for poetry, or may be a way to get to the modern short form Gwen.

Originally a surname deriving from the Roman twin Romulus, this attractive name was introduced to the English-speaking world as a first name by painter Augustus John who used it for his son. Romilly John became Admiral of the Fleet in England.

Cassia is related to the cassia tree, which has yellow flowers and produces a spice that can be a substitute for cinnamon. Keziah, the name of Job’s daughter in the Old Testament, derives from the name of the plant as well. Cassia also has ties to the Ancient Roman name Cassius, an Ancient Roman family name meaning "hollow."

Magical and distinctive but grounded and familiar too, it's no surprise that Athena has become one of the most widely used ancient goddess names in the contemporary Western world. Derived from the city name Athens, it is current a Top 100 choice in the US.

Lavinia is a charmingly prim and proper Victorian-sounding name which actually dates back to classical mythology, where it was the name of the wife of the Trojan hero Aeneas, who was considered the mother of the Roman people.

From the first time we saw the name Saskia attached to a portrait of Rembrandt's wife (her full name was Saakje van Uylenburgh, but she was always called Saskia), we have found it utterly charming and wondered why it hasn't attracted more fans In this country--she's appreciated by the Brits, who have moved her to Number 392. Saskia is one of those names that's been used in Europe since the Middle Ages, but has never crossed the ocean.

In Greek myth, Circe, daughter of Helios, the sun, was a sorceress living on the island of Aeaea, who could turn men into animals with her magic wand, which is just what she did to Odysseus's crew in Homer's Odyssey, transforming them into swine. All was forgiven, however, as Circe and Odysseus later had a child together—Telegonus.

This Welsh nature name that can be pronounced exactly like the male Ira. Or, to avoid confusion, you could just name her Snow.

X marks the spot in names these days, usually at the middles or ends of names, but here is one that puts it squarely up front.

This name of the Cretan goddess of fertility is most popular now as the more melodic Ariana, but Ariadne has possibilities of its own. It first entered the US Top 1000 in 2014. The renewed interest in the name falls in line with the revival of other mythological names like Apollo and Athena. The trendy nickname Ari doesn't hurt either.

Sunniva was an Irish-born saint who fled to Norway, where she hid in an island cave with her followers and eventually died. After miracles were reported on the island, the cave was excavated and Sunniva's intact body was found. Sunniva is the patron saint of Western Norway. Her name would make a fascinating and unusual choice for a modern baby girl, and if her story is a bit grim, you can take refuge in the upbeat nickname Sunny or Sunni.