No, I don't have your William Burton Fuller, but possibly a small lead. At least it might be worth looking into. Abel Burton Fuller, was born 10 Jul 1791 in Warren Litchfield Co, CT to Sarah & Abel Fuller. He moved to Madison County, NY (and several other places), which is not too far from Watertown. Sorry--this is the only tidbit I have. I've been just collecting tidbits on people in CT in this time frame to try to remove one brick at a time from my brick wall. [one of the dozens of Joseph Fuller's...]