She Knocked Out Cowboys & Delivered Mail At 60 Mary Fields—known as "Stagecoach Mary"—was born enslaved in Tennessee around 1832 and became one of the most remarkable figures in the American West. After emancipation, she worked her way from Mississippi steamboats to a convent in Ohio, then rushed to Montana Territory to save her dying friend, Mother Amadeus. At 60 years old, Mary became the first African American woman to work as a U.S. Postal Service Star Route mail carrier, delivering mail thr