Mary Lou Beschorner (September 18, 1929 – November 8, 2008) was an outfielder who played in the All-American Girls Professional Baseball League.

In her teen years, she played organized softball with the Dekalb Hybrids team and graduated from Plano High School in 1947.

[3][4] She later heard about the All-American Girls Professional Baseball League tryouts at Wrigley Field in Chicago and made the final cut.

Redwings' manager Leo Murphy used her as a fourth outfielder that year behind Faye Dancer, Joyce Hill and Twila Shively.

[3] Mary Lou was a longtime resident of Plano, Illinois, where she worked as a bookkeeper for Town & Country Food Stores during 32 years, until her retirement in 1993.