Magdalena Hergert Becker (August 4, 1878 – July 7, 1938) was a pioneer Mennonite[1] missionary. She served as Field Matron at Post Oak Missionary in Oklahoma for 28 years.[2] The matron position was one created by the US government to assist with assimilation efforts.[3] Becker was considered a success[4] in the matron program as some Native Americans did identify as Christian.