Oh, and you can check for other popular American names at the Social Security Admnistration website: http://www.ssa.gov/oact/babynames/
Sorry for posting twice, but I only found this out from reading the hilarious comments in the original Jezebel site. (And the site was probably down from the shutdown. That's criminal.)
And here's a little quiz. Fill in the blanks from this quote from the SSA website:
" Over the last 100 years, the male name __________ has held the top spot most often (44 times), while the female name _________ has been ranked number one 43 times over those years."
(Don't cheat. Make your guess and then look it up.)