The Main Library has copies of wills from the Probate Court on microfilm from 1819 through 1902. As with the vital records, each microfilmed ledger contains an index that groups entries by the first letter of the last name.
Wills from 1818 to 1970 are on microfilm at the Clark County Probate Court, 50 East Columbia, Springfield, Ohio 45502. The original records are stored at the Clark County Historical Society, 117 S. Fountain Ave., Springfield, Ohio 45502. Original records from 1970 to the present are at the Probate Court.