| July 30, 1936 | First meeting of the Presbytery of Wisconsin & Upper Michigan held in Merrill, Wisconsin in the home of Rev. A. F. Perkins. |
| July 30, 1936 | Merrill Community Presbyterian Church in Merrill, Wisconsin was the founding church in the Presbytery, enrolled at the first meeting. |
| September 26, 1936 | First meeting of the Presbytery of Chicago with two founding churches represented - First Chicago Presbyterian Church in America and Glenwood Presbyterian Church |
| November 2, 1936 | The Presbytery of Iowa was organized with one congregation, the Princeton Presbyterian Church of Princeton, Iowa. |
| May 11, 1937 | The Presbytery of Wisconsin received into membership Calvary Presbyterian Church of Cedar Grove, Wisconsin. |
| June 21, 1937 | Old Stockbridge Presbyterian Church in Gresham, Wisconsin received and enrolled. |
| June 30, 1937 | The Presbytery of Chicago withdraws from the Orthodox Presbyterian Church in order to unite with the Bible Presbyterian Synod. |
| July 7, 1937 | The Presbytery of Iowa severed connections with the PCA (i.e. the OPC). |
| February 17, 1938 | Community Presbyterian Church in Merrill, Wisconsin was removed from the roll of Presbytery, having withdrawn into the Bible Presbyterian Church. |
| September 26, 1938 | Grace Orthodox Presbyterian Church in Milwaukee, Wisconsin was organized (April 29, 1938) and enrolled. It continued until April 29, 1949, when the church was dissolved by the presbytery at its own request. |
| March 24, 1939 | First Orthodox Presbyterian Church was organized and enrolled in Waterloo, Iowa. |
| April 24, 1939 | Atonement Presbyterian Church in Decatur, Michigan was organized and enrolled. On April 22, 1941 it was dissolved and erased from the rolls. |
| April 24, 1939 | First OPC of Waterloo, Iowa organized. In 1968 the congregation moved to Cedar Falls and changed its name to Christ Church of Cedarloo. The name was changed to Covenant OPC in the 1980's. |
| September 6, 1939 | The name of the Presbytery was officially changed from "The Presbytery of Wisconsin and Upper Michigan" to "The Presbytery of Wisconsin." |
| April 13-14, 1943 | Bethel Presbyterian Church in Oostburg, Wisconsin was received and enrolled. |
| June 19, 1950 | Westminster OPC in Evergreen Park, IL was received and enrolled in the Presbytery. In 1967 the name changed to Forest View OPC of Tinley Park, IL. On May 17, 1982 the church was dissolved and became Forest View Chapel of Tinley Park. They became a particular congregation once again on March 15, 1981, dividing from the church whose care they were under, Westminster OPC of Westchester, IL. Forest View Church reverted to mission status on February 4, 1984. It was recommended to dissolve Forest View on December 31, 1987. |
| July 26, 1951 | Westminster Orthodox Presbyterian Church in Hindsdale, Illinois (referred to as Westchester, IL) was organized (Feb. 20, 1951) and enrolled. Westminster Orthodox Presbyterian Church relocated to a new building in Westchester, Illinois in February 25, 1973. This congregation is now located in Indian Head Park, IL. |
| January 7, 1960 | Bethel Presbyterian Church in Wheaton, IL was organized and enrolled. |
| September 15, 1967 | Falls Presbyterian Church in Menominee Falls, Wisconsin was organized and enrolled. |
| November 28, 1967 | Spencer Mills Orthodox Presbyterian Church in Gowen, Michigan was organized and enrolled. On August 28, 1979 the Spencer Mills congregation was divided between Spencer Mills OPC and the newly formed Griggs Street OPC. |
| March 5, 1968 | The name of the Presbytery was officially changed from "The Presbytery of Wisconsin" to the "Presbytery of the Midwest" |
| September 13, 1968 | Grace OPC in Hanover Park, Illinois was organized and enrolled. |
| January 1973 - February 1975 | A mission work, overseen by the Session of Grace OPC in Hanover Park began in January, 1973 and continued as the Rockford Chapel until it was dissolved on February 1, 1975. |
| January 5, 1973 | Grace Chapel in Sheboygan, WI becames a mission work of the presbytery. On November 21, 1982, Grace Orthodox Presbyterian Church in Sheboygan was organized and enrolled. |
| January 5, 1973 | A mission work was started in Janesville, WI. It became the Janesville Chapel on March 5, 1973 and was organized & enrolled as Christ Presbyterian Church on September 15, 1975. |
| November 1973 | Trinity Chapel began as a Bible study in Chicago. It was dissolved on September 15, 1980 but they urged the presbytery to continue to pray & seek opportunity to reestablish the work. On February 4, 1984 the reopened work received an organizing pastor and on February 20, 1987 they were received & enrolled. On March 15, 1996 the church was dissolved at the request of its members. |
| September 16, 1974 | Orthodox Presbyterian Fellowship in Gladstone (Escanaba, Delta County), Michigan was received as a chapel. The name changed to Delta County Chapel and finally Pilgrim Presbyterian Chapel. The chapel continued until the work was closed on December 31st, 1980. |
| March 3, 1975 | Green Bay OPC, later (1984) called New Hope Presbyterian Church in Green Bay, WI was received & enrolled. |
| March 3, 1975 | Grandville Ave. Gospel Fellowship in Grand Rapids, MI was received as a home mission work. Closed on March 9, 1979 (see Griggs Street Chapel). |
| 1978-1982 | Presbyterian and Reformed Fellowship met in Rantoul, Illinois. Worship services continued until October 1980 and the Bible study until March 19, 1982, when New Life Chapel, Rantoul, IL was dissolved. |
| September 19, 1977 | Griggs Street Chapel in Grand Rapids, MI was received into the Presbytery. On March 9, 1979 the Grandville Gospel Fellowship in Grand Rapids, Michigan was closed & everything placed under the care of Griggs Street Chapel. On August 28, 1979 Spencer Mills OPC divided and part of the congregation went with Griggs Street Church which was on that date organized and enrolled, becoming a particular congregation. On August 13, 1989 its name became Harvest OPC. |
| September 19, 1977 | Trinity Presbyterian Chapel was formed in Decatur, IL and became Trinity Orthodox Presbyterian Church on July 21, 1979 when it was organized and enrolled. It was dissolved upon request by the presbytery on September 20, 1988. |
| July 1, 1979 | First Orthodox Presbyterian Church of Kalamazoo, Michigan was received and enrolled. On February 21, 1985 the church informed the presbytery that they had changed their name to Community Presbyterian Church of Kalamazoo, MI. |
| October 7, 1979 | Hope Orthodox Presbyterian Church was organized and enrolled in Libertyville, Illinois. Hope OPC reverted to mission work status at its own request on June 1, 1991. On September 16, 1994, Hope Chapel, Grays Lake, IL (formerly Libertyville) was dissolved. |
| March 14, 1980 | Westminster Presbyterian Church in Rochester, Minnesota was received as a chapel of the OPC. Members asked to be constituted as members on September 14th, 1981. It was reported that Westminster Presbyterian Church was dissolved on September 18, 1984. |
| March 13, 1981 | The mission work at the Zoar reservation, started though ministry by the Old Stockbridge congregation since they joined the presbytery in 1936, divided out of the Old Stockbridge Church and was constituted as a particular church on this date in 1981, becoming Menominee Orthodox Presbyterian Church. |
| September 19, 1983 | The Presbytery called the Rev. Larry Wilson to labor as an evangelist in Terre Haute, Indiana at New Life Chapel. The work was closed on September 16, 1985. |
| March 11, 1984 | Grace Orthodox Presbyterian Church in Lansing, Michigan was designated a mission under the oversight of Spencer Mills OPC. |
| May 5, 1985 | Pilgrim Presbyterian Church in Metamora, Michigan was received and enrolled. |
| March 11, 1993 | Apple Valley OP Church of Neenah, WI near Appleton, WI was received as a particular congregation of the presbytery. |
| August 28, 1993 | Covenant OPC of Tinley Park, IL was received as a mission work of the presbytery, meeting at the Chicago Christian High School. In '94 they were meeting in Palos Heights, IL and on April 9, 1995 they were received as a particular congregation. By 1998 they were meeting in Orland Park. |
| July 9, 1994 | A mission work was organized in Springfield, IL and named Covenant Reformed OPC. On September 20, 1996 it was organized into a particular congregation of the Presbytery. |
| May 6, 1995 | New Covenant Community Church in New Lenox, Illinois was received as an unorganized mission work of the presbytery. On March 19, 1999 they were received as a particular congregation. |
| December 16, 1995 | Covenant OPC of Cedar Falls changed status from a particular congregation of the presbytery to a mission work of the presbytery. On July 17, 1998 Covenant OPC once again became a particular congregation of the presbytery. |
| September 13, 1996 | New Covenant Fellowship Church (Covenant Church) in Independence, IA was put under the care of Christ OPC, Janesville and became an official mission work. |
| September 13, 1996 | Covenant of Grace in Batavia, IL became a mission work of the presbytery. On October 19, 2001 Covenant of Grace in Batavia, Illinois was organized and enrolled on the roll of churches. |
| December 7, 1996 | Grace Reformed Presbyterian Church of Des Moines, IA was received as a church in the PMW. |
| December 7, 1996 | The Chain-O-Lakes Church, Bellaire, MI was established as a mission work. |
| September 12, 1997 | Hope Presbyterian Church of Lindenhurst, IL became a mission work of the presbytery under the oversight of Grace OPC of Hanover Park, IL. |
| September 12, 1997 | Redeemer Presbyterian Church of Ada, MI was organized as a mission work under the oversight of Harvest OPC in Grand Rapids, MI. |
| September 12, 1997 | A mission work in London, Ontario Canada was recognized by the presbytery. |
| October 11, 1997 | Royal Oak mission work was organized as Providence OPC at the advice of Oakland Hills Community Church in Farmington Hills, MI. |
| September 12, 1997 | Rockford Springs Community Church became a particular church in the OPC. This work had been forming since interest developed in 1992. |
| September 17, 1999 | The Presbytery of the Midwest divided into the new Presbytery of Michigan & Ontario and the continuing Presbytery of the Midwest. |
| March 17, 2000 | Grace Reformed Church in Reedsburg, Wisconsin became a separate mission work in the presbytery. On September 14, 2007 Grace Reformed was organized & enrolled. |
| September 14, 2001 | Covenant Presbyterian Church of New Berlin, WI was recognized & established as a mission work under the guidance of Falls OPC, Menomonee Falls. On September 14, 2007 it was recognized as a particular church of the presbytery. |
| March 18, 2005 | Mission OPC in St. Paul, MN was received as a mission work. On September 18, 2009, Mission OPC was received as a particular congregation by the presbytery, with the service of recognition on October 2, 2009. |
| May 15, 2005 | The New Life Church in Independence, IA was received. Their final worship service was held on February 26, 2012 and the church was dissolved. |
| August 26, 2005 | Roberts Community Fellowship of Roberts, WI was received as a congregation of the presbytery and became Covenant Presbyterian Church of Roberts, WI. By 2007 they had moved to Baldwin, WI, and in fall of 2010 they moved to Hammond, WI. |
| December 27, 2005 | The independent congregation meeting in Momence, IL was received into the presbytery as Momence OPC. |
| March 16, 2007 | Liberti Presbyterian Church of Appleton, Wisconsin was received as a mission work. On September 18, 2009 the oversight committee of the Appleton mission work was dissolved. |
| March 16, 2007 | Geneva Presbyterian of St. Louis, Missouri was received as a mission work. |
| March 16, 2007 | Providence OPC of Rockford, Illinois was received as a mission work. |
| September 14, 2007 | Covenant OPC in New Berlin was organized as a new and separate congregation of the Presbytery of the Midwest |
| April 6, 2008 | Christ Presbyterian Church in Hazelwood, Missouri, having merged with Geneva OPC, was received & enrolled. |
| October 2, 2009 | Mission OPC in St. Paul, Minnesota was organized as a new and separate congregation of the Presbytery of the Midwest. Rev. John Shaw was installed as the Pastor. |
| March 19, 2010 | The Presbytery received mission works in St. Louis, Missouri (Gateway OPC), Doniphan, Missouri (Sovereign Grace Reformed Church) and Chicago, Illinois (Gospel Life Presbyterian Church). Also on this date the mission work in DeKalb, Illinois was closed. |
| September 16, 2011 | Providence Presbyterian Church in Madison, Wisconsin was organized as a new and separate congregation, with the Rev. Mark Jenkins being installed as Pastor. |
| September 14, 2012 | The church plant in Cedarburg, Wisconsin was closed |
| March 15, 2013 | A mission work in Eau Claire, Wisconsin was established under the oversight of the Session of Covenant OPC in Hammond, Wisconsin |
| February 23, 2014 | The mission work in Brainerd, Wisconsin was closed |
| October 17, 2014 | Sovereign Grace Reformed Church of Doniphan, Missouri was organized as a new and separate congregation of the Presbytery, and the Rev. Kent Harding was installed as pastor. |
| March 20, 2015 | Covenant Family Church of Troy, Missouri was received into the Presbytery |
| September 18, 2015 | A mission work in Shawano, Wisconsin (Covenant Life OPC) was received by the Presbytery, with the Session of New Hope OPC in Green Bay overseeing the work. |