Brother of 1959 Immortal William Gahagan, Tom Gahagan was born on a farm near Hudson, Michigan in 1876. After his schooling, he moved to Detroit to work on the Detroit Times. Later on, he wrote for the Chicago Horseman, Western Horseman, Horseman And Fair World, and Hoof Beats. Gahagan covered the Grand Circuit for fifty years, missing only one meeting. His feature articles on the sport were syndicated on many sport pages throughout the country. At times he also acted as an official at various tracks on the Grand Circuit. Tom Gahagan retired in 1950 to Detroit, where he died at the age of eighty-three in 1959.
Published in the Harness Racing Museum's 1992 book, The Immortals