Mona Lisa. That's why she's got that smile on her face. :P

They were worn by wives and daughter of the first miners, cowboys and farmers of the old west. They borrowed their husband's or son's jeans for riding horses -which was near impossible in the long prairie skirt they wore back then -tending the gardens or working the mine claims. Women also wore jeans under skirt that were slit up the center front and occasionally the center back -this would make horse riding easy while she would appear to still be in a skirt. There's few old magazines from the era with articles on how to make and wear "divided skirts for cross saddle and western riding" using clothes in her trunk for the women of the old west. If you are looking for an exact name of the first then probably Charlie Parkhurst -a woman who drove the stagecoach for decades disguised and dressed as a man. Belle Starr Was a very dramatic old west figure and also was know to wear men's clothes. Many women of the old West worked and lived alongside the cowboys of the old west and many wore the same clothes. Annie Oakley, and Calamity Jane were the faces and style icons of women in the old west through their time in rodeos and wild west shows. Annie Oakley is the most famous of all and she wore jeans while stunt riding and shooting and possibly began the idea that women could and should wear jeans.