For a complete description of county searches, see Table of County Courthouses Searched.
| Court Abbreviation | Court Name |
| ADACC | Adams County Circuit Court |
| BONCC | Bond County Circuit Court |
| BONJP | Bond County Justice of the Peace Court |
| BOOCC | Boone County Circuit Court |
| BOOJP | Boone County Justice of the Peace Court |
| BROCC | Brown County Circuit Court |
| BROJP | Brown County Justice of the Peace Court |
| CALCC | Calhoun County Circuit Court |
| CASCC | Cass County Circuit Court |
| CASUN | Cass County Unknown Court |
| CHACC | Champaign County Circuit Court |
| CHAUN | Champaign County Unknown Court |
| CHRCC | Christian County Circuit Court |
| CHRCoC | Christian County Court |
| CHRJP | Christian County Justice of the Peace Court |
| CHRPJP | Christian County Probate Justice of the Peace Court |
| CLACC | Clark County Circuit Court |
| CLICC | Clinton County Circuit Court |
| COLCC | Coles County Circuit Court |
| COLPJP | Coles County Probate Justice of the Peace Court |
| COOCC | Cook County Circuit Court |
| DEKCC | DeKalb County Circuit Court |
| DEWCC | DeWitt County Circuit Court |
| DEWCoC | DeWitt County Court |
| DOUCC | Douglas County Circuit Court |
| DUPCC | DuPage County Circuit Court |
| EDGCC | Edgar County Circuit Court |
| EDGPJP | Edgar County Probate Justice of the Peace Court |
| EDWCC | Edwards County Circuit Court |
| EFFCC | Effingham County Circuit Court |
| FATCC | Fayette County Circuit Court (Kentucky) |
| FAYCC | Fayette County Circuit Court |
| FULCC | Fulton County Circuit Court |
| GALCC | Gallatin County Circuit Court |
| GRECC | Greene County Circuit Court |
| HANCC | Hancock County Circuit Court |
| I-SC | Illinois Supreme Court |
| IROCC | Iroquois County Circuit Court |
| JEFCC | Jefferson County Circuit Court |
| JERCC | Jersey County Circuit Court |
| JODCC | JoDaviess County Circuit Court |
| JODJP | JoDaviess County Justice of the Peace Court |
| KAECC | Kane County Circuit Court |
| KANCC | Kankakee County Circuit Court |
| KENCC | Kendall County Circuit Court |
| LAKCC | Lake County Circuit Court |
| LASCC | LaSalle County Circuit Court |
| LAWCC | Lawrence County Circuit Court |
| LEECC | Lee County Circuit Court |
| LIVCC | Livingston County Circuit Court |
| LOGCC | Logan County Circuit Court |
| LOGCoC | Logan County Court |
| MAACC | Macon County Circuit Court |
| MAACoC | Macon County Court |
| MACCC | Macoupin County Circuit Court |
| MADCC | Madison County Circuit Court |
| MALCC | Marshall County Circuit Court |
| MANCC | Mason County Circuit Court |
| MCDCC | McDonough County Circuit Court |
| MCDCoC | McDonough County Court |
| MCHCC | McHenry County Circuit Court |
| MCLCC | McLean County Circuit Court |
| MCLCoC | McLean County Court |
| MCLPJP | McLean County Probate Justice of the Peace Court |
| MENCC | Menard County Circuit Court |
| MENCCC | Menard County Commissioners' Court |
| MENCoC | Menard County Court |
| MENJP | Menard County Justice of the Peace Court |
| MENPJP | Menard County Probate Justice of the Peace Court |
| MONCC | Montgomery County Circuit Court |
| MORCC | Morgan County Circuit Court |
| MOUCC | Moultrie County Circuit Court |
| PEOCC | Peoria County Circuit Court |
| PEOPJP | Peoria County Probate Justice of the Peace Court |
| PIACC | Piatt County Circuit Court |
| PIACoC | Piatt County Court |
| PIKCC | Pike County Circuit Court |
| PUTCC | Putnam County Circuit Court |
| PUTPJP | Putnam County Probate Justice of the Peace Court |
| RANCC | Randolph County Circuit Court |
| RICCC | Richland County Circuit Court |
| ROCCC | Rock Island County Circuit Court |
| ROCCCC | Rock Island County Commissioners' Court |
| ROCPJP | Rock Island County Probate Justice of the Peace Court |
| ROKCC | Rock County Circuit Court (Wisconsin) |
| SANCC | Sangamon County Circuit Court |
| SANCCC | Sangamon County Commissioners' Court |
| SANCoC | Sangamon County Court |
| SANJP | Sangamon County Justice of the Peace Court |
| SANPJP | Sangamon County Probate Justice of the Peace Court |
| SCHCC | Schuyler County Circuit Court |
| SCOCC | Scott County Circuit Court |
| SHECC | Shelby County Circuit Court |
| SHECoC | Shelby County Court |
| STCCC | St. Clair County Circuit Court |
| TAZCC | Tazewell County Circuit Court |
| TAZCoC | Tazewell County Court |
| TAZPJP | Tazewell County Probate Justice of the Peace Court |
| USCCNDI | U.S. Circuit Court Northern District of Illinois |
| USCCSDI | U.S. Circuit Court Southern District of Illinois |
| USDCSDI | U.S. District Court Southern District of Illinois |
| US-SC | U.S. Supreme Court |
| VERCC | Vermilion County Circuit Court |
| VERCoC | Vermilion County Court |
| W-SC | Wisconsin Supreme Court |
| WARCC | Warren County Circuit Court |
| WARPJP | Warren County Probate Justice of the Peace Court |
| WAYCC | Wayne County Circuit Court |
| WHICC | White County Circuit Court |
| WOOCC | Woodford County Circuit Court |
| WOOCoC | Woodford County Court |