When Gilla Ann Hammock was born on 16 April 1836, in Milltown, Chambers, Alabama, United States, her father, Jackson Lewis Hammock, was 34 and her mother, Rebecca Hadaway, was 38. She married Henry Hawkins Howard on 3 May 1854, in Georgia, United States. They were the parents of at least 8 sons and 4 daughters. She lived in Lafayette, Chambers, Alabama, United States in 1880. She died on 23 December 1887, at the age of 51, and was buried in Milltown, Chambers, Alabama, United States.