At club level he played with Kiladangan and was also a member of the Tipperary senior hurling team.
Seymour first played hurling as a schoolboy with the North Tipperary vocational school team that won Munster and All-Ireland titles in 1962.
[1] Seymour progressed to adult level and was part of the Kiladangan team that won the Tipperary JAHC title in 1971.
He later spent two consecutive seasons with the under-21 team and was a non-playing substitute when Tipperary were beaten by Wexford in the 1964 All-Ireland under-21 final.
[3] Seymour was called into the senior team in 1966 and played in a number of National League and Oireachtas Tournament games.