Bruce,
Did you ever find that book by J. Parker Norris? I am also working on a line claiming to be from Isaac. I am working from an unpublished manuscript by Calvin C. J. Norris compiled between 1888 and abt 1928. Calvin does not mention anything other than a family Bible and does not claim descent from Isaac. A descendant of Calvin's brother, John Willard Norris, is referred to in a newspaper article as having Isaac as his 3gr-grandfather. By my count, his 3gr-grandfather is Thomas and Issac would be his 4 or 5 gr-grandfather. Thomas is as far back as I can reasonably believe. Thomas m. Sarah (____), their son, James , b.1754, m. Sarah Cannon, their son, John Merrideth Norris, b. 1802, m. Sarah Ann Stetler, their son, John, b. 1837, m. Emily R. L. Willard, their son,
John Willard Norris, b. 1859, was the father of the Fred Norris who was a subject of the article in the Union-Bulletin, Walla Walla, WA, 18 Jun 1950. Hoping that Iyou are still on the net, that I haven't overloaded you, that I have helped you and, perhaps, you can help me. This is not my direct line, being from the 2d marriage of a daughter, but I have a great interest in it. If anyone has questions that might be answered by the manuscript, I will try to help.