Aiden still rules the roost, topping the boys' list for the seventh year in a row. But look out for Mason, coming up strong from behind – the name soared eight spots since last year to land at number 3.

Liam likewise bounded up the charts from number 10 to number 4. Meanwhile, Caden got elbowed off the top 10 list, dropping down to number 12.

Sophia continues to reign supreme on the girls' list, while Emily shimmied up three spots this year to reach number 9. Addison was edged out of the top 10 to settle at number 11.

Click on each name for its popularity over time, common sibling names, and more.

Note: To capture true popularity, our exclusive baby names list combines names that sound the same but have multiple spellings (like Sophia or Sofia). Our data comes from hundreds of thousands of parents who shared their baby's name with us in 2011.