1820
Mary Martha was born on 15 Mar 1820 in South Carolina, USA.
1850
Mary Yarbrough was counted in the census on 03 Oct 1850 in Kershaw, South Carolina, USA, as a 30-year-old, female, white. Also in the home were; Wilson Yarbrough and Sarah Yarbrough.
1870
Mary Yarbrough was counted in the census on 18 Aug 1870 in Buffalo, Kershaw, South Carolina, USA, as a 50-year-old, female, white. Also in the home were; Wilson Yarbrough, and Mary M Yarbrough.
1902
She died on 18 Jul 1902 in South Carolina, United States. She was buried in Bethune, Kershaw, South Carolina, USA at Bethel Cemetery.