1845
1st appearance on the General Assembly roll as part of Sangamon Synod

1857
Became part of newly formed Mississippi 2nd Synod

1858
Became part of Iowa Synod (name change from Mississippi 2nd Synod)

1912
Iowa Synod annexed to Missouri Synod at request of Iowa Presbytery

1919
Annexed to McGee Presbytery by Missouri Synod