Junior was born April 16, 1939, in Flora, the son of Grover Thomas and Nadine M. Coclasure Brinkley. He married Mary Baka Stucker in 2001 in Springfield.
Junior was employed by the city of Springfield for 21 years, retiring in 1987. He was a member of Teamsters Local 916. He also was co-owner with his nephew Jeff Brinkley of Brinkley's Garage in Springfield, Il.
Junior was a very well liked and known person. He had multiple abilities.