Not sure why this was picked up by one of my spiders (from a parenting magazine?):

A variation of Dion and the short form of Dionysios. In Greek mythology, the name of the god of wine. Dennis is a form of the name. First charted in 1961. Football player Deion Sanders uses a form of the name. Preferred by African American families.

I assume Deion Branch is in the same category. Go Seahawks!