Juliette "Daisy" Low, the founder of Girl Scouting in the USA
While they are the newest branch of Girl Scouting, the Daisy Scouts have actually been around for quite some time now. They were created in 1984, and named after Juliette Low, who was actually called "Daisy" by her family and friends!
http://www.girlscouts.org/who_we_are/history/low_biography/