In 1940, John W. Eckelberry of DuPont stated that the letters "nyl" were arbitrary and the "on" was copied from the suffixes of other fibers such as cotton and rayon. A later publication by DuPont explained that the name was originally intended to be "No-Run" ("run" meaning "unravel"), but was modified to avoid making such an unjustified claim and to make the word sound better. An apocryphal explanation is that Nylon is a conflation of "New York" and "London". A humorous backronym is "Now You've Lost, Old Nippon" referring to the supposed loss of demand for Japanese silk."
That coincides with the notion that North Americans were the first to convert to nylon fabric for parachutes, with Canadian parachute manufacturers converting first, shortly followed by American manufacturers. The difference in dates being primarily due to late American declaration of war (World War Two).
Smitty the Jumper made his first parachute jump in 1922 with a harness amde by a horse harness maker and a silk bedsheet. He designed and bulit it and jumped it before ever seeing another parachute. He broght it to Perris DZ December 15th , 1985 and made a tandem with the Coors Skydiving team. Richard Brooks and I followed them out and watched Smitty in a fetal position as he'd done all those years previous noteven seeing the Coors team. He ws 87 then and died at age 92 a year after making his last jump.