Robert: I also live in Atlanta, GA.There is another book by Carole Derrick (male).His is not as good as the one Charles wrote.It is not as easy to follow.I have both of them and will get the address for you to get in touch with Carole.He lives in SC close to Charles.
I am a descendant of George Derrick and Sabina Harmon.They had a son Andrew Derrick who married Catherine Kleckley and moved to Bear Creek, now Hampton, Henry County GA before 1826. My g grandfather is William D Derrick given on page 46 & 48 in the Charles Derrick book Their 1st child was b in 1826 Henry County, GA.
Charles wrote his book on the family of John Melchoir and Anna Barbara Kelly Derrick.I notice you descend from William Thomas Derrick b 1774 d 1860, s/o John Melchoir Derrick.Charles and I both descend from George and Sabin a Harmon Derrick.I from their son Andrew and Charles from their son Godfrey. What are you searching for?