Dennis Lynn Gann, Sr., age 67, a McMinnville, TN resident and Warren County, TN native, was born August 24, 1954 and died November 24, 2021 at Ascension St. Thomas River Park Hospital following an extended illness. He was the retired owner of Dennis Gann Plumbing, Electric, and Refrigeration, the son of the late William Hoyt and Cora Estelle Cantrell Gann, and a member of Bybee Branch Church of Christ. Mr. Gann is survived by wife, Teresa Gann of McMinnville, TN; sons and daughters-in-law, Lynn (Heather) Gann of McMinnville, TN and Lee (Page) Gann, of Smithville, TN; granddaughters, Stella Gann and Paisley Gann; brother, Randall Joel (Deborah) Gann of Morrison, TN; and nephews, Tim (Amanda) Gann and Derrick (Chelsea) Gann. Two great-nieces and one great-nephew also survive. Graveside service and interment will be held at 3:30 p.m. Sunday, November 28, 2021 at Gardens of Memory Cemetery in Warren County with Ray Weddington officiating. Visitation will be Sunday from 1:00 p.m. until 3:00 p.m. at High’s. Online condolences may be made at www.highfuneralhome.com High Funeral Home is in charge of arrangements.