| Lyon | Auditor | Real Estate Transfers-Lands-Index | 1866-1931 |
| Lyon | Auditor | Real Estate Transfers-Lands-Record | 1866-1909 |
| Lyon | Auditor | Real Estate Transfers-Town Lots-Index | 1866-1913 |
| Lyon | Auditor | Real Estate Transfers-Town Lots-Record | 1871-1928 |
| Lyon | Clerk | District Court-Bonds | 1897-1923 |
| Lyon | Clerk | District Court-Calendar | 1913-1915 |
| Lyon | Clerk | Naturalizations-Declaration of Intent | 1906-1937 |
| Lyon | Clerk | Naturalizations-First Papers | 1873-1906 |
| Lyon | Clerk | Naturalizations-Index | 1873-1954 |
| Lyon | Clerk | Naturalizations-Minors | 1903-1906 |
| Lyon | Clerk | Naturalizations-Petition & Record | 1906-1934 |
| Lyon | Clerk | Naturalizations-Second Papers | 1872-1897 |
| Lyon | Clerk | Probate-Bonds, Oaths & Letters-Adm, Exec, Gdn | 1911-1940 |
| Lyon | Clerk | Probate-Calendar | 1872-1887 |
| Lyon | Clerk | Probate-Combined Probate Docket | 1885-1934 |
| Lyon | Clerk | Probate-Deed Record | 1899-1930 |
| Lyon | Clerk | Probate-Docket | 1901-1903 |
| Lyon | Clerk | Probate-General Index | 1875-1949 |
| Lyon | Clerk | Probate-Inventories | 1919-1926 |
| Lyon | Clerk | Probate-Notice & Proof of Publication | 1904-1922 |
| Lyon | Clerk | Probate-Record | 1872-1926 |
| Lyon | Clerk | Probate-Record of Heirs & Estates | 1919-1926 |
| Lyon | Clerk | Probate-Wills | 1873-1925 |
| Lyon | Private | Cemetery Records | 1800s-1900s |
| Lyon | Recorder | Affidavits-Record | 1907-1930 |
| Lyon | Recorder | Deeds-Lands-Index & Record | 1868-1905 |
| Lyon | Recorder | Deeds-Patent Records | 1877-1908 |
| Lyon | Recorder | Deeds-Sheriff's Deeds | 1881-1931 |
| Lyon | Recorder | Deeds-Tax Sale Deeds | 1876-1937 |
| Lyon | Recorder | Deeds-Town Lots-Index | 1872-1905 |
| Lyon | Recorder | Deeds-Town Lots-Record | 1871-1904 |
| Lyon | Recorder | Original Entries, abstract | 1862-1888 |
| Lyon | Recorder | Vital Stats-Births-Index | 1880-1897 |
| Lyon | Recorder | Vital Stats-Births-Record | 1880-1904; 1906-1936 |
| Lyon | Recorder | Vital Stats-Deaths-Index | 1880-1894 |
| Lyon | Recorder | Vital Stats-Deaths-Record | 1880-1904; 1906-1919; 1922-1935 |
| Lyon | Recorder | Vital Stats-Marriages-Index | 1872-1979 |
| Lyon | Recorder | Vital Stats-Marriages-Record | 1872-1928 |
| Lyon | Treasurer | Old Age Assistance Pension Tax Lists | 1934-1936 |
