When George Washington Gibson was born on 17 June 1800, in Union, Union, South Carolina, United States, his father, Robert Wilson Gibson, was 41 and his mother, Mary Ann "Polly" Evans, was 40. He married Mary Ann Sparks on 15 March 1822, in Union, Union, South Carolina, United States. They were the parents of at least 6 sons and 5 daughters. He lived in Salt Lake, Utah, United States in 1850 and Salt Lake City, Salt Lake, Utah, United States in 1860. He died on 17 August 1871, in Duncan's Retreat, Washington, Utah, United States, at the age of 71, and was buried in Grafton Cemetery, Grafton, Washington, Utah, United States. (FamilySearch, Brief Life History of George Washington Gibson)