Oscar Gainer was born on February 17, 1937, to Rushia Bell Sheffield and Jim Gainer in Americas, Georgia.
Oscar enlisted in the United States Army in 1955, and was honorably discharged in 1959 as a private. After his short term in the Army, he started his career as a landscape for RB Stout in 1961. It was then, he discovered his love for the outdoors, and was an avid Cleveland Browns fan.
He met the love of his life, Bernice Morrow, and was married in the December of 1963. To this union, four beautiful children were born: Chrystal, Terance, Duane and La’Shanta Gainer.
Oscar was a loving and caring man who lived a very eventful life. He was a fair, loving and respectful man to all he encountered and only wanted the best for those whom he loved.

Oscar is proceeded in death by his wife, Bernice Gainer; mother, Rushia Bell Sheffield; father, Jim Gainer; brothers, Ned (Marie) Johnson Jr., Tra (Rock) Johnson and Henry James Johnson; sisters, Gertha Will Johnson, Mary Lizzie Johnson, Essie Mae Gillimore and Ethel Bell Ware; aunt, Claria Estelle Motley; and cousin, Linda Gail Williamson.

Oscar leaved behind to mourn his death: his two daughters, Chrystal and La’Shanta Gainer; two sons, Terrance and Duane Gainer; 14 grandchildren; 10 great-grandchildren; special nieces, Laurita and Lisa Ware; and a host of nieces, nephews, relatives and friends.