Looking for the Burkes of South Central Texas

I AM LOOKING FOR ANY INFORMATION ON MARY FRANCES BURKE. SHE WAS MARRIED TO GEORGE WASHINGTON SELF. SHE WAS BORN 1864 IN MISSISSIPPI AND DIED IN 1949 IN TEXAS. I AM HAVING A HARD TIME FINDING INFORMATION ON HER PARENTS- KENYON BURKE AND NANCY SCALLION.