Ava is one of the prime examples of a modern classic name, rising thought the course of a generation into the Top 10, where it has lingered for nearly 20 years.

Adelaide is now heading straight uphill on the coattails of such newly popular sisters as Ava, Ada, and Audrey, and in the company of Adeline and Amelia. It was chosen by actress Katherine Heigl for the name of her second daughter.

The smooth, attractive Ariana is on the rise along with the fame of pop princess Ariana Grande. Also famous is twin spelling Arianna, which is associated with Greek-born online presence Arianna Huffington. Both Ariana and Arianna are widely used names and are equally acceptable spellings.

Angel is one of those names that has a very different trajectory for girls and boys. As a female name, it was most popular in the US from the 1970s until the turn of this century, almost breaking into the Top 100 at its peak in 2001 but then beginning a long slide down the list.

This shortened variation of Aaron—it was Elvis's middle name—is now a widely used choice.