Well, after about 500 hours of research on my family's history I have finally made "the" connection and am thrilled! Richard Lalor Shiel was Michael's brother (LOTS of info on him on internet): their parents, Edward Shiel and Catherine McCarthy. Catherine was descendant of McCarthy-Reagh dynasty. I have much info on that, gleaned from the internet. Catherine: born Springhouse, France 1745. Edward Shiel: born 1741 in Ireland. I have lots of info on Michael Shiel, birth, death, newspaper clips, gravestone photo, plat map of town, obituary, etc. How best to get these to you? Where do you live? Also, I would assume that Michael married Mary, then her sister, Bridget. Common in those days. You have a very impressive pedigree, as do I. Which of Michael Shiel's children are you from?