I found this on mylifeisaverage.com.

"Today, I went to howmanyofme.com. There are 22 people in America named Tom Riddle. My first thought: there are 22 Voldemorts in America. We're doomed. Then I checked for how many people were named Harry Potter. There are 102. I immediately relaxed. 102 Harrys vs 22 Voldemorts - we're safe."