When Sarah Elizabeth Gibson was born on 20 December 1840, in Missouri, United States, her father, David Elliot Gibson, was 26 and her mother, Elizabeth Howell, was 24. She married Josiah David Fullerton on 19 December 1860, in Lawrence, Missouri, United States. They were the parents of at least 2 sons and 2 daughters. She lived in Lawrence, Missouri, United States in 1850 and Mount Vernon Township, Lawrence, Missouri, United States for about 10 years. She died on 3 December 1889, in Sarcoxie, Jasper, Missouri, United States, at the age of 48, and was buried in Sarcoxie Cemetery, Sarcoxie Township, Jasper, Missouri, United States.