When William H Richardson Jr. was born in 1775, in Wilkes, Georgia, United States, his father, William H Richardson Sr, was 54 and his mother, Jane Mills, was 45. He married Keziah McGary in 1797. They were the parents of at least 8 sons and 2 daughters. He died on 10 May 1826, in Culleoka, Maury, Tennessee, United States, at the age of 51, and was buried in Richardson Cemetery, Culleoka, Maury, Tennessee, United States.