Search: mary jane shoes origin
Why: I am wearing some sort of mary janes.
Answer: The comic strip Buster Brown! The strip was created by in 1902 by Richard Felton Outcault. Buster is a mischievous little dandy with beautiful blonde hair, and Mary Jane is his sister. They both wear Mary Jane-style shoes.
In 1904, the Brown Shoe Company (est. 1893) purchased the rights to the Buster Brown name. The characters are still associated with the company today.
Source: ezine, Wikipedia
The More You Know: The comics usually ended in a panel with some sort of uplifting message like this. Wtf. (Read that shit.)