1825
Mary “Polly” McSween was born on 15 Mar 1825 in Kershaw, South Carolina, USA as the first child of Angus McSween and Christean McIntosh McSween.
1844
When she was 18, she married Benjamin Thomas McCoy on 07 Mar 1844.
1880
Mary McCoy was counted in the census on 28 Jun 1880 in De Kalb, Kershaw, South Carolina, USA, as a 54-year-old, female, married, white, wife. Also in the home was her husband, B T McCoy; her children, George Benjamin McCoy, Janey V. McCoy, M. K. McCoy, Ida McCoy; and Harmon Marshall, whose relation to the family is unknown.
1902
Mary “Polly” McSween McCoy died on 13 Sep 1902 in Kershaw, South Carolina, USA. She was buried in Bethune, Kershaw, South Carolina, USA at McCoy-McSween Family Cemetery.

March 15, 1825 – September 13, 1902
McCoy-McSween Family Cemetery
1920
On May 21 1920, Mary McSwean was mentioned as the mother on the certificate of death for J.m. McCoy.
1924
On September 8, 1924, Mary McSwine was mentioned as the mother on the certificate of death for E.l. McCoy.
1932
On February 2, 1932 Mary McSween was mentioned as the mother on the certificate of death for Rene McCoy.