For some reason I did not notice your post to my query...you have correctly summed up what it took me over ten years to learn!
The Samuel and Cynthia Owen(s) in Clark Co., AR are prime candidates for the parents of James Owen, my husband's g-pa; however, we can't prove it.All of this is circumstantial, well fitting, but that one piece that "proves" it is missing.
A few other tidbits that also give credence to this theory.Knave (Nave) were in Perry Co.Thomas Knave was security witness for James marriage license.I believe he came to Clark from Perry Co., Al.
Samuel and Cynthia obviously didn't own property and they disappear by 1900.No record of death or burial in Clark Co.And the 1870 census of Tuscaloosa with Cynthia as head of household with only one child in her home is quite puzzling.Would seem Samuel and James are elsewhere, but where?
Oh, one more recent thing...I am still trying to locate any descendants of the Wieger/Wegar/Wigger family and I just found a connection with Tubb(s).Any one who is descended from that line in Perry Co, would love to connect with.