Tatum started her minor hockey journey with the Strafford Warriors before switching to girls hockey. She played a few years with the Kitchener Lady Rangers and Saugeen-Maitland Lightning AA. Tatum proceeded to play 3 seasons in the PWHL with the Kitchener-Waterloo Jr Rangers. Tatum received a hockey scholarship to play NCAA Division 1 at Providence College. A short time later, Tatum decided to come home and has playing the last 3 seasons with the University of Waterloo in the OUA.