Mary married Frank Taylor Haggard, son of William Brad Haggard and Mary Catherine Phelps, on 26 Oct 1910 in , Casey, Kentucky. (Frank Taylor Haggard was born on 24 Jan 1892 in , Casey, Kentucky, died on 26 Nov 1918 in , Casey, Kentucky and was buried in Spaw Knob, Casey, Kentucky.)
Another name for Mary was Betz.