When Grover Thomas Reed was born on 21 September 1892, in Shullsburg, Lafayette, Wisconsin, United States, his father, William Reed, was 39 and his mother, Martha Ellen Guy, was 30. He married Olive L. Gundlach on 7 October 1912, in Jo Daviess, Illinois, United States. They were the parents of at least 1 daughter. He lived in Chicago, Cook, Illinois, United States for about 10 years and Wisconsin, United States in 1969. He died on 22 September 1969, in Prairie du Chien, Crawford, Wisconsin, United States, at the age of 77, and was buried in Rock Church Cemetery, Livingston, Grant, Wisconsin, United States.