Owned by Rex and Ethel Larkin of Poplar Hill Farm, in Lexington, Kentucky, Poplar Byrd was a top colt pacer and free-for-all star by Volomite-Ann Vonian. He was the sire of Bye Bye Byrd 1:56.4 and Rum Customer 1:56. They were among twenty pacers sired by Poplar Byrd with records of 2:00 or less. Poplar Byrd died at Marsh Stud in LeRoy, Illinois in 1975.
Published in the Harness Racing Museum's 1994 book, The Immortals