William Cannon's 7th child, Mary Louise Entrekin b. 14 Apr 1880, is my Great Grandmother.Give me your email address and I will send you a copy of the marriage license.I got it in Coweta Co. where I grew up.I now live in Gwinnett Co..MaryL. Entrekin married William Zion Cornelius and them Joseph Holly.She ran a boarding house.The family was educated and presumed to be pretty well off in the years before her for their time.She loved poetry and reading. She lived in Coweta, then moved to Pell City Alabama, then to Porterdale, Ga. I have William Cannon's parents as David M. b. 1811 and Sybal Nickles----and his parents as Thomas b.1759and Mary Cannon. The Amos Wilson Entrekin I have is b. 1866 and is the oldest child of William Cannon, brother of Mary Louise.So your friend is my 3rd cousin, right?Or something like that. I do hope your traveling Columbus friend will have good weather and want to wander a delightful cemetary that day!!They are so peaceful.