I've thought about this before, you also should be able to get a somewhat accurate estimate of the median age of a group of attendees to an event based on the f

I've thought about this before, you also should be able to get a somewhat accurate estimate of the median age of a group of attendees to an event based on the first names alone. See Baby Name Wizard Voyager tool for visualizations of first name occurences since 1900s: http://www.babynamewizard.com/voyager http://www.babynamewizard.com/voyager