From 1870 to 1903 members of the Old Third Michigan Association held an annual reunion, which included a business meeting followed by a banquet on the first Wednesday after the anniversary of the battle of Fredericksburg of December 13, 1862.
Beginning in 1904, annual association meetings fell on or near June 13, the day the regiment left Grand Rapids in 1861.
1922 reunion at Ramona park, East Grand Rapids, Mich.
For various reasons no reunions were held in 1873, 1875 or 1880.
The 55th and final reunion was held in Grand Rapids, Michigan in June of 1927; six members attended.