Thomas married Nancy Sewell 8 Jan 1810, Butler, Ohio, USA. Nancy (daughter of Timothy Sewell and Sarah Tullis) was born 3 Dec 1788; died 25 Mar 1842; was buried , Wayland, Henry County, Iowa. [Group Sheet]

1. Timothy Sewell Gaskill was born 1812, Clinton County, Ohio; died 18 Feb 1870, Granada, Nemaha County, Kansas, USA; was buried , Granada, Nemaha County, Kansas.
2. Thomas Hugh Gaskill, Jr was born 6 Jul 1823, Clinton County, Ohio; died 2 Feb 1878, Quincy, Adams County, Iowa; was buried , Corning, Adams County, Iowa.