The former settlement of Quinn, Michigan, was once located in Clinton Township, Macomb County, Michigan on Gratiot past mile marker 16.
Theodore Kath became Quinn's first postmaster on December 10, 1869. The post office stayed open for just under four years, closing its doors on September 15, 1873 The 12th Michigan Infantry was begun under Colonel Francis Quinn at Niles in 1861. The Quinn family built a home on Gratiot in 1881.[1]