Linda, I do not know if you ever found the answer to (George I.), Hopefully this will help. George Issac Bartlebaugh Sr. settled here in Frederick County, Virginia around 1786, in the community of Brucetown. He was born around 1752, according to the book, Frederick County, Virginia Settlement and some first families of Back Creek Valley (1730-1830) He was married to a lady who had been known to use two different names at two different times. One time she used the name Magdalena, then again as Laura.
One of George's sons, George Issac Purtlebaugh Jr. took as his "third bride" a Mary Loy,the daughter of my great, great, great,Grandfather Conrad Loy and Catherine (Hannum) Loy.
George Issac Purtlebaugh Jr. son by his "first wife" Deborah Babb, George James Bartlebaugh married a Mary C. Loy, the daughter of John Loy and Mary (Marple) Loy.