(Photo by maybeemily via Flickr Creative Commons)

Rap mogul Jay-Z and his pop star wife Beyonce welcomed a baby girl at Lenox Hill hospital two weeks ago. The news quickly outpaced other top stories on Twitter, helped along by the announcement of her name: Blue Ivy Carter, just the latest celebrity moniker to inspire a collective groan and the Twitter hashtag #NamesBetterThanBlueIvy.