| Cass | Assessor | Persons Subject to Military Duty | 1865-1893 |
| Cass | Auditor | Estray Record | 1855-1883 |
| Cass | Auditor | Real Estate Transfers-Lands | 1859-1908 |
| Cass | Auditor | Real Estate Transfers-Lands-Index | 1865-1875 |
| Cass | Auditor | Real Estate Transfers-Town Lots | 1866-1956 |
| Cass | Auditor | Real Estate Transfers-Town Lots-Index | 1859-1900 |
| Cass | Auditor | Soldier’s Monument Record | 1915-1919 |
| Cass | Auditor | Survey Field Notes | 1875-1928 |
| Cass | Auditor | Township Clerk’s Record Book-Cass Co | 1857-1882 |
| Cass | Auditor | Township Clerk’s Record Book-Messena | 1870-1913 |
| Cass | Clerk | Naturalizations-Affidavits | 1903-1906 |
| Cass | Clerk | Naturalizations-Calendar | 1887-1903 |
| Cass | Clerk | Naturalizations-Certificates of Arrival | 1913-1929 |
| Cass | Clerk | Naturalizations-First & Second papers | 1871-1906 |
| Cass | Clerk | Naturalizations-Index | 1877-1929 |
| Cass | Clerk | Naturalizations-Minors | 1888-1902 |
| Cass | Clerk | Naturalizations-Record | 1887-1899 |
| Cass | Clerk | Notary Register | 1885-1988 |
| Cass | Clerk | Probate-Bonds, Oaths, & Letters-Adm, Exec, Gdn | 1864-1927 |
| Cass | Clerk | Probate-Calendar | 1903-1908 |
| Cass | Clerk | Probate-Combined Collateral Inheritance Tax & Lien Record | 1921-1925 |
| Cass | Clerk | Probate-Combined Probate Docket-Index | 1889-1906 |
| Cass | Clerk | Probate-Complete Probate Record | 1877-1889 |
| Cass | Clerk | Probate-Deed Record-Gdn | 1882-1914 |
| Cass | Clerk | Probate-Discharges-Adm, Exec, Gdn | 1907-1931 |
| Cass | Clerk | Probate-General Index | 1877-1925 |
| Cass | Clerk | Probate-Inventories & Sales | 1895-1909; 1914-1948 |
| Cass | Clerk | Probate-Record | 1873-1922 |
| Cass | Clerk | Probate-Record of Heirs & Estates | 1854-1875 |
| Cass | Clerk | Vital Stats-Divorces | 1903-1942 |
| Cass | Recorder | Abstracts-Index & Record | 1854-1882 |
| Cass | Recorder | Affidavits-Index | 1907-1930 |
| Cass | Recorder | Affidavits-Record | 1882-1923 |
| Cass | Recorder | Deeds-Cemetery Deeds | 1880-1977 |
| Cass | Recorder | Deeds-Land-Index | 1868-1902 |
| Cass | Recorder | Deeds-Land-Record | 1853-1902 |
| Cass | Recorder | Deeds-Town Lot-Index | 1854-1904 |
| Cass | Recorder | Deeds-Town Lot-Record | 1855-1903 |
| Cass | Recorder | Deeds/Mortgages-Land-Index | 1855-1868 |
| Cass | Recorder | Homestead Record | 1879-1950 |
| Cass | Recorder | Military Discharge-Civil War | 1865-1904 |
| Cass | Recorder | Miscellaneous Record & Index | 1871-1901 |
| Cass | Recorder | Original Entries | 1855-1865 |
| Cass | Recorder | Plats (of Cass County) | 1850s |
| Cass | Recorder | Vital Stats-Births-Index | 1880-1913 |
| Cass | Recorder | Vital Stats-Births-Record | 1880-1904; 1906-1933 |
| Cass | Recorder | Vital Stats-Deaths-Index | 1880-1897 |
| Cass | Recorder | Vital Stats-Deaths-Record | 1880-1904; 1906-1940 |
| Cass | Recorder | Vital Stats-Marriages-Index | 1853-1892 |
| Cass | Recorder | Vital Stats-Marriages-Record | 1853-1930 |
| Cass | Treasurer | Old Age Assistance Pension Tax List | 1934-1936 |
