Ira married Maria Hartley on 3 May 1890 in Kawkawlin, Bay, Michigan, United States. Maria (daughter of Peter James Hartley and Mary Elizabeth Shields) was born in Jun 1869 in Canada; died on 29 Apr 1965 in Cadillac, Wexford, Michigan, United States; was buried in Marion, Michigan, United States. [Group Sheet] [Family Chart]

1. Edward Morris Clark was born on 30 Jul 1891 in Williams, Bay, Michigan; and died.
2. William Rex Clark was born on 10 Mar 1893 in Bay, Michigan, United States; died on 29 Apr 1926 in Alma, Gratiot, Michigan, United States.
3. Ora L. Clark was born in 1895 in Michigan; and died.
4. Winifred L. Clark was born on 7 Jan 1897 in Bay County, Michigan, United States; died on 8 May 1925 in Alma, Gratiot, Michigan, United States; was buried in 1925 in Greenwood Township, Oceana, Michigan, United States.
5. Edward Clark was born in 1901 in Michigan, United States; died in 1965.
6. Ora Clark was born in 1903 in Michigan, United States; and died.