Barrett and Geoghegan defeated Art Nelson and Ivan Kameroff on 8 November 1965 to win the NWA Canadian Tag Team Championship.

On 22 July 1968, they defeated Abdullah the Butcher and Armand Hussain to win the NWA Canadian Tag Team Championship.

On 15 August 1977, Pat Barrett and Norvell Austin defeated Jerry Brown and Buddy Roberts to win the NWA Mid-America Tag Team Championship.

On 25 September, they defeated once again Jerry Brown and Buddy Roberts to win the NWA-Mid American Tag Team Championship for a second time.

As the NWA Americas Heavyweight Champion, he feuded with Bull Ramos, Walter Johnson, Chavo Guerrero, Johnny Mantell, Roddy Piper, Ron Starr, and Pat Patterson.

On 2 January 1980, Barrett unsuccessfully challenged Lee Osbourne for the World Junior Heavyweight Championship but won a rematch for the title a week later.

On 27 August 2006, Pat Barrett made an appearance for the promotion Irish Whip Wrestling's show which was being held in Dublin, Ireland.