Here’s a nifty little name game you can play:
http://www.babynamewizard.com/namevoyager/lnv0105.html

Just go to the site and plug in any name, then watch as it shows you how popular that name is in any given decade.  It’s really just a graph, but the colors are spectacular and it is really addictive.

By the way my name (Jon, no h) peaked in popularity in the 60’s when I was born (ranked 82) before plummeting to 413 today.