A favorite in England and Wales, Darcy is a unisex option with delicacy, grace, and strength. Associated with classic literary and courtesy thanks to Jane Austen's hero, Mr. Darcy, and Bridget Jones's Mark Darcy, its image was partly transformed by English ballerina Darcey Bussell, who helped popularize it for girls.

Rory is a buoyant, spirited name for a redhead with Celtic roots. The name Rory is getting more popular overall, but for the past few years has been trending decidedly toward the boys' side -- however, it's been rising to new heights for girls in recent years.

Hot star Ashton Kutcher is pushing this unisex choice toward the boys' camp, but its variation Ashtyn is on the rise.

One of a number of single-syllable unisex B-names, Brett was first spotted as a female name in Hemingway's The Sun Also Rises, via the dashing and seductive Lady Brett Ashley, who was a captivating enough character to offer naming inspiration. It combines a pleasingly brisk, executive air with a measure of femininity.