Wikipedia: Annie Oakley is a Western television series which fictionalized the life of famous sharpshooter Annie Oakley. It ran from January 1954 to February 1957 in syndication. ABC showed reruns on Saturday and Sunday daytime from 1959-1960 and from 1964-1965. It ran for three seasons, for a total of 81 black and white episodes, each 25 minutes long.
The show starred Gail Davis in the title role, and co-starred Brad Johnson as Deputy Sheriff Lofty Craig and Jimmy Hawkins, as Annie's brother, Tagg. He had a pinto pony named Pixie in the series.
Gail Davis had been discovered by Gene Autry, who cast her in several of his movies, then in his own series, The Gene Autry Show, in which she played a variety of characters. He then spun her off into her own show.
Check out the real life of Annie Oakley, it's just as fantastic:
http://en.wikipedia.org/wiki/Annie_Oakley--Ralph