Where Have All The Cletuses Gone?

The NameVoyager by the folks that brought you The Baby Name Wizard, offers a curious diversion into the relative popularity of first names over the course of the last century in America.

As ranked per million babies over the decades, Rick seemed to peak in the '60s and has almost disappeared since the '90s. Cletus, it seems, never really caught on. And Jasper, though almost extinct in the '60s, appears to be making a moderate comback. You go, Jaspers.