Ann, most of the information that I have is from the "John Gulley Genealogy" by Paul John. His address is 203 Live Oak, Baytown, TX 77520. I visited Duplin County, NC but did not find any additional information on William or John or a burial place for William. I am a direct descendant of John, Samuel Luther, John Marion and his second wife (Mary C. Henry), and my mother Vera. What is your line?
I was born in Bluff City, Arkansas on the site of the Gulley Plantation (where John, Samuel and John Marion are all buried) which is now an International Paper Company tree nursery.
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. I look forward to hearing further.