Williamson attended high school in Detroit, Michigan and played college football as a running back and defensive back at Anderson College—now known as Anderson University—in Anderson, Indiana. He played semi-pro football for three seasons with the Los Angeles Mustangs of the Western Professional League.[2] Williamson was suspended indefinitely from his post at Kentucky State in late October 1984 after criticizing the team's schedule. He was replaced by Theo Lemon as interim head coach.[3]
^Williamson was fired after the first three games of the 1981 season. John Wright was named interim head and led the Golden Rams to a record of 0–7 over the final seven games of the season. Albany State finished the year with an overall record of 0–10.
^Williamson was suspended indefinitely after the first eight games of the 1984 season. Theo Lemon was named interim head coach and led the Thorobreds to a record of 0–3 over the final three games of the season. Kentucky State finished the year with an overall record of 2–9.
