When Bertha Slaughter was born on 6 June 1909, in Monroe, Kentucky, United States, her father, Oscar Slaughter, was 27 and her mother, Sella M. Fraizer Slaughter, was 19. She married James Martin Gentry about 1927. They were the parents of at least 2 sons. She lived in Magisterial District 2 Turner, Monroe, Kentucky, United States in 1910 and Tompkinsville, Monroe, Kentucky, United States in 1920. She died on 14 December 1977, in Red Boiling Springs, Macon, Tennessee, United States, at the age of 68, and was buried in Red Boiling Springs, Macon, Tennessee, United States.