Parris, TexasParris, Texas is a community that once existed just south of Melissa in central Collin [County, Texas|Collin County] near the banks of the East Fork of the Trinity River.HistoryIn 1859 Thaddeus Parris, a Mexican–American War veteran for whom the community was named built an ox-turned gristmill at this location. This attracted settlers of the area during the next decade and until sometime in the late nineteenth or early twentieth century Parris remained a community center for area farmers.