John Henry (1763-1854) was married first to Rachel Henry (abt 1767-1809), my GG GM, daughter of Matthew Henry and Jennie Long of Flower Hill, a small farm on the outskirts of Dirtagh, north of Limavady. Whether or not there was a blood relationship between the two Henry families is not known. See The History of the Henry Family of "Flower Hill" Ireland and Their Descendants, 1926, by Margaret Birdenia Henry and Mattie Henry Miller.