William married Patience Crick Blackwell on 11 May 1833 in Lorain, Ohio. Patience (daughter of Joseph Blackwell and Ann Smith) was born on 9 Apr 1816 in Watton, Kimcote, Leicestershire, England; died in 1873; was buried on 1 May 1873 in Cleveland, Cuyahoga, Ohio. [Group Sheet]

1. Ann Elizabeth Smart was born on 14 Jan 1836 in Fairfield, Ohio; died on 5 Mar 1910 in Brown, Ohio; was buried in Le Roy, Coffey, Kansas.
2. Thomas Smart was born about 1838 in Lorain, Ohio; and died.
3. Henry William Smart was born on 12 Aug 1841 in Fairfield, Ohio; died on 31 Aug 1923 in Cleveland, Cuyahoga, Ohio.
4. Mary G. Smart was born about 1844 in Fairfield, Ohio; and died.
5. Martha Smart was born about 1847 in Fairfield, Ohio; and died.
6. Lizzie G. Smart was born about 1850 in Fairfield, Ohio; died on 6 Jan 1931 in Springfield, Ohio.