When William Adrian Neely was born in 1800, in South Carolina, United States, his father, John Hill Neely, was 46 and his mother, MaryAnn Lutetia Black, was 38. He married Mary Polly Parks on 22 October 1833, in Coweta, Georgia, United States. They were the parents of at least 4 sons and 4 daughters. He lived in Campbell, Georgia, United States in 1850. He died about 1862, in Campbell, Jones, Georgia, United States, at the age of 62, and was buried in Atlanta, Fulton, Georgia, United States.