Mr Evans told BBC News Online one reason for the popularity of brands as names is a growing desire on the part of parents to mark their children out as different.
He also says that naming a child after a brand such as Armani or Chanel, associated with money or exclusivity, reflects the material hopes of such families.
http://news.bbc.co.uk/1/hi/world/americas/3268161.stm
See also : WhatsWrongWithInequality/TrainerDiscussion
Great satire on brand-names : http://www.enormicom.com/