I have a William Tosh b. Feb 1794 Drum Creek, VA d. Apr 10, 1867 Palmyra, Macoupin Co., IL
He could have been married to your Elizabeth, but will need her birth/death dates to see. She might have been his first wife if 1811 is the date of their marriage. He was married to a Sarah unknown in 1817 Botetourte Co., VA. She died Dec 19, 1849 In Macoupin Co., IL. He then remarried to Mary Peterson-Cherry on Sep 21, 1850 in Macoupin Co., IL.