Where did the name long johns come from?

Answer 1

According to Michael Quinion[2], "John" may be a reference to boxer John L. Sullivan, who wore a similar looking garment in the ring. This explanation, however, is uncertain and the word's origin is ultimately unknown.

Answer 2

Long Johns underwear supposedly gets its name from a boxer, John Sullivan, who used to wear similar clothing in the boxing ring. Long Johns have been made in Matlock, Derbyshire, for over two hundred years.

Answer 3

Long Johns were invented on December 7, 1915

Answer 4

The name long johns is a slang term that first began circulating during the World War II era. The term was used to describe winter undergarments to consumers.