Quinn
One of the first Irish unisex surnames, a strong and attractive choice on the rise for both genders, though there are still more than three boy Quinns for every girl.
Quinn started taking off for girls in the mid-nineties, possibly influenced by the popular show Dr. Quinn, Medicine Woman. Since then, there have been female Quinns on the animated MTV show Daria, on Zoey 101, and on Glee.
Quinn
Quinn is an engaging Celtic surname that is on the rise for both genders. Though still used more for boys, Quinn has started leaning decidedly toward the feminine thanks to a female cheerleader character on the television show "Glee". It retains some testosterone from "The Mighty Quinn," the name of a movie, a band, and a Bob Dylan song.
Sharon Stone has a son named Quinn. Other ideas for for boyish names like Quinn: Quinton, Quincy, Finn.

