https://www.pbs.org/wgbh/americanexperience/features/oakley-photo-gallery/ In 1885, Annie Oakley began an association with Buffalo Bill Cody's Wild West show ...

Both lucky and extremely talented, Annie Oakley used her astonishing marksmanship to escape a poor childhood in Ohio and become the first female superstar in what had been a male-dominated profession.

who turns out to be young Annie Oakley. Result: Annie is hired for Buffalo Bill's Wild West Show (which is faithfully re-enacted in the film). She's tutored in showmanship by champ Toby Walker.