At club level he played with Stabannon Parnells and was also a member of the Louth senior football team.
The following year he played with the Ardee minors and was also a member of the beaten Mid Louth side in the county final.
Conlon was still eligible for the minor grade when he won a Louth JFC medal with Stabannon Parnells in 1943 before winning a Cardinal O'Donnell Cup title in 1945.
[1] He captained the club their inaugural Louth SFC title in 1949, before claiming a second winners' medal in 1954.
Conlon made his championship debut as captain during Louth's Leinster SFC-winning season in 1950, however, they lost the subsequent All-Ireland final to Mayo.