Family/Spouse: Margaret Agnes LYON. Margaret (daughter of Samuel STEWART and Agnes Nancy CALHOUN) was born on 8 Apr 1796 in Hanover Heights, Dauphin County, Pennsylvania, United States of America; died on 26 May 1835 in Pittsburgh, Allegheny County, Pennsylvania, United States of America; was buried in Pittsburgh, Allegheny County, Pennsylvania, United States of America. [Group Sheet] [Family Chart]