Court of Common Pleas organized in 1795
Judges
| John Edgar | Robert Reynolds |
| William Morrison | Nathaniel Hull |
| Pierre Menard | Antoine Louvier |
| Robert McMahon | John Grovenier |
| George Fisher | James Finney |
| John Beard | Samuel Cochran |
In 1809, the Court of Common Pleas was changed to the county court with Justices of the Peace
| Philip Fouke | David Anderson |
| Henry Levens | Archibald Thompson |
| William Arundel | John Phelps |
| Samuel O'Melveney | Alexander Wilson |
| John McFerren | Robert Gaston |
| Paul Harrelston |
Court of Common Peas was re-established in 1811
Judges
| John McFerren | George Fisher |
| William Morrison | Archibald Thompson |
| James Finney | Antoine L Chenett |
| David Anderson | Miles Hotchkiss |
| Philip Fouke | Pierre La Compte |
On the organization of the Illinois Teritory in 1809, the General Court was established
Judges
| Jese B Thomas | William Sprigg |
| Obadiah Jones | John Reynolds |
| Alexander Stuart | Daniel P Cook |
| Stanley Griswold | John Warnock |
The Supreme Court of Illinois held its first session in Kaskaskia in 1819
Judges from Randolph Co
| Joseph Phillips | Theophilus W Smith |
| Richard M Young | Samuel D Lockwood |
| Thomas Reynolds | Thomas C Browne |
| John Reynolds |
The Circuit Court was established in 1835
| 1835--Sidney Breese | 1855--Sidney Breese |
| 1843--James Shields | 1858--H K S O'Melveney |
| 1845--Gustavus Koerner | 1860--Silas L Bryan |
| 1849--W H Underwood | 1872--Amos Watts |
Probate Court was est under the State Constitution. After 1848 The County Judge was in charge of the Probate Courts.
| Curtis Coon | in office for 1818-1828 |
| Judge Hunt | in office a short time |
| James Thompson | 1829-1848 |
Clerks of the General and Circuit Courts
| 1815-W C Greenup | 1847-Charles Kane |
| 1831-James Hughs | 1849- E Lavenworth |
| 1840-William Guthrie | 1850- James M Ralls |
| 1845-James Quin | 1860-Savinien St Vrain |
| 1845-John M Langlois |
Clerks of the Common Pleas and County Courts
| 1795-Robert Morrison | 1851-James M Cole |
| 1809-William C Greenup | 1853-Isaac H Nelson |
| 1827-Miles A Hotchkiss | 1864--John A Campbell |
| 1832-James Hughs | 1864-Joseph Schuessler |
| 1838-A J Dickison | 1865-R J Harmer |
| 1841- F Maxwell | 1869-John R Shannon |
| 1845-John W Gillis | 1873-John T McBride |
Sheriffs of Randolph Co
| 1801-James Edgar | 1854-John Campbell |
| 1803-George Fisher | 1856-Savinien St Vrain |
| 1805-James Gilbreath | 1858-Anthony Steele |
| 1806-Benjamin Stevens | 1860-M S McCormack |
| 1814-Henry Conner | 1862- John Campbell |
| 1821-Samuel C Cristy | 1864-John T McBride |
| 1823-T J V Owens | 1866-John R Shannon |
| 1828-Ignatius Sprigg | 1868-John T McBride |
| 1838-John Campbell | 1870-M S McCormack |
| 1848-John A Wilson | 1872-Beverly Wiltshire |
| 1850-John P Thompson | 1874-Beverly Wiltshire |
| 1852-Savinien St Vrain |
County Surveyors
| James Thompson | Joseph Noel |
| Samuel G Thompson | Robert P Thompson |
| Ferdinand Humphreys | James D Thompson |
| Ezekiel W Robbins | Morton S McAtee |
| James B Parks | James D Thompson |
| James Thompson |
County Officers in 1875
| Beverly Wiltshire | Sheriff |
| Savinien St Vrain | Clerk Circuit Court |
| John T McBride | Clerk County Court |
| John H Lindsey | County Judge |
| John Wilson | County Commissioner |
| John Morrison | " |
| Patrick Faherty | " |
| James D Thompson | Surveyor |
| William Swanwick | Treasurer and Assessor |
| P N Holmes | Co Superintendent of Schools |