Fiona entered the American consciousness with the opening of the 1954 Broadway musical Brigadoon, but didn't come onto the U.S. popularity list until 1990.

Felicity is as accessible a virtue name as Hope and Faith, but much more feminine -- and dare we say, happier. The hit TV show did a lot to soften and modernize the once buttoned-up image of Felicity, and it got further notice as the red-haired Colonial doll, Felicity Merriman, in the American Girl series. A current bearer is actress Felicity Huffman.

Kate, in the headlines via Catherine Middleton aka the Princess of Wales, has been as pervasive as Kathy was in the 1950s and 1960s, both as a nickname for Katherine and Kaitlyn and as a strong, classic stand-alone name.

The combined inspiration of reggae master Bob and the dog-loving romp "Marley and Me" catapulted this name up the chart in recent years. But what goes up....

Celia, splendidly sleek and feminine, is a name that was scattered throughout Shakespeare and other Elizabethan literature, but still manages to feel totally modern. Derived from the Latin Caelius, it means "heavenly".

An underused classic that has proved surprisingly unisex over the last few decades, being given to roughly the same number of baby girls and boys in the US from the 1970s to the 2000s. For a girl, Marion has a sturdy old-fashioned charm.

Pippa, a peppy condensation of Philippa that turns it from serious to sprightly, has come into the public eye in a big way via the former Kate Middleton's sister.