I have just returned to the list and noticed with interest the thread on Isaac Calvert in Feb and March. My gg-grandfather, Hiram Calvert, was born in Greene Co., PA in 1804. Hiram founded Hiramsburg, OH in what was later Noble Co., but in 1835 was Noble Twp. of Morgan Co., OH. Hiram had three brothers: Isaac, Jabez, and Reason. Their father Robert Calvert died in 1805 in Greene Co., PA, orphaning the children. Their mother, Alice, was administratix for the orphan proceedings and also administratix of Robert's estate. Bond was paid by Isaac Calvert. Isaac Calvert of Chester Co., did have a son named Robert. This is noted in Smedley, in a will (1781) by Isaac's brother Thomas who leaves a hat to brother Isaac's son, Robert. According to one source, which I cannot corroborate, Isaac had sons' Robert and William, and a daughter Sarah. But a Sarah Calvert did marry George Dye in Greene Co., and both are found in Morgan Co., OH in 1820, along with an older male and female. So also is William Calvert in 1830. William Calvert and his nephew, Reason Calvert both married into the Cotton family. The link between the Calvert family of Greene Co., PA and Morgan Co. OH is quite strong. Not so strong is that between the Isaac and Robert of Chester Co. and the Isaac and Robert of Greene Co. After the 1790 census, though, the next instance of an Isaac Calvert in PA is that in Greene Co. Jim Ray