According to her headstone, Mary Matilda Coxey was born on the 27th of December (just like her husband), except two years later and in Tennessee. She married William John Stokes on 13 November 1845 in McMinn County, Tennessee. They had nine children together. She died on 5 December 1886 near Crocker, Pulaski County, Missouri, at the age of 62 years. She is buried next to her husband in Porter Cemetery in Pulaski County, Missouri.