The mission was originally organized as the Northwestern States Mission on 6 May 1878 and headquartered in Chicago, Illinois. The mission name changed to the Northern States Mission on 20 July 1889.
The Northern States Mission was renamed as the Illinois Mission on 17 June 1973, at that time it consisted of the state of Illinois, except the Illinois portion of the St. Louis, Missouri Stake. It contained a small strip of eastern Iowa, which included Keosauqua, Fort Madison, and Burlington; plus a small portion of western Indiana around LaPorte, Hammond, and Gary.
Media
Northern States (1878 - ?) Profile
Conference Presidents
![Northern States Missionaries](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/northern states/northern-mission-group-2-PH 6558_f0006_i0001_00001.jpg)
Northern States Missionaries
![Missionaries of the Michigan Conference](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/northern states/CH51316_Michigan Conference 6 Dec 1915.jpg)
Missionaries of the Michigan Conference
![North Ohio District Missionaries](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/northern states/columbus-ohio-north-district-group-2-PH 6558_f0006_i0003_00001.jpg)
North Ohio District Missionaries
![Northern States Mission Home in Chicago](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/northern states/Chicago_Mission_Home__Minnie___Rulon.jpg)
Northern States Mission Home in Chicago
![Northern States Missionaries](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/northern states/PH 3658_f0001_i0001_00001.jpg)
Northern States Missionaries
Lady Missionaries of the Northern States Mission
![United States Mission Presidents](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/other/United-States-Mission-Presidents-2-ca-1904-PH-2543_f0001_i0001_00001.jpg)
United States Mission Presidents
![Publications Office Staff](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/central states/Missionary_staff_Liahona_the_Elders_Journal.jpg)
Publications Office Staff
North Ohio Conference
![Navuoo Centennial Event 1939](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/central states/Navuoo Centennial Event 1939.jpg)
Navuoo Centennial Event 1939
![Tirza Amelia Hansen (1878-1966) Missionary, Circa 1913](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/Tirza Amelia Hansen.jpg)
Tirza Amelia Hansen (1878-1966) Missionary, Circa 1913
![Northern States Mission - Bryant Hinckley Mission President, Circa 1936](https://history.churchofjesuschrist.org/church-history-people/bc/missionaries/northern states/bryant-stringham-hinckley-1867-fs-03.jpg)
Northern States Mission - Bryant Hinckley Mission President, Circa 1936