Sleek, sharp, and soulful, Isolde is the German form of Iseult, the fabled lover of Tristan in the Arthurian romances. First appearing in the 12th-century, the name was fairly popular in the form of Iseult, Yseut, Yseult, and Ysolt, however, it wasn't until the 19th-century that this form began to catch on, after the composer Richard Wagner used it for his 1865 opera (and for his own daughter!)

A bright, airy choice, Elara appears in Greek mythology and is borne by a lover of Zeus who gave birth to a giant son called Tityos. One of Jupiter's moons is named after her, adding a celestial feel to the name and an appealing connection to astronomy.

Mona had more than a moment in the sun, peaking in 1950 at Number 230 but falling off the Top 1000 completely in the late 1980s. Its similarity to the word "moaner" undercuts the appeal of its simplicity. In one recent year, fewer than 100 baby girls received the name, and we don't see it reviving any time soon.

Simple and yet distinctive, Ara is a mythological name of a famously handsome king. Although it originated as a boys' name, in the contemporary US, it's now much more commonly used for girls.

In an epic poem, the personification of truth, beauty, and unity; this ancient name is popular in several European countries but less common in the US. The Oona spelling is slightly more popular but Una sleeker.

A pleasantly unfamiliar addition to the ella family of names.

Though it doesn't have historic roots--it was created by L. Frank Baum for a Princess character in his book Ozma of Oz--Evella could fit well into the Eve-Eva-Evelyn group now coming back into favor.

Feminine of Aidan, but now girls would prefer to use the original.

Ovidia is the unusual feminine form of the ancient Roman Ovidius, most famous as the name of the exiled 1st century Roman poet Ovid. Modern male form Ovidio is known in Spain and Portugal. Ovida is another variation.

Arty seventies name usually pronounced AHN-dra.