Remembered on her behalf missionary function in Peru using the Sisters of St. Joseph from the Sacred Center, McCormack was murdered by associates of the Peruvian Communist guerrilla group. After signing up for the Sisters of St. Joseph at age group nineteen, she acquired a three-decade teaching profession in her indigenous Australia. She started her Peruvian missionary function in the past due 1980s. She was a devoted amateur tennis participant and golfer. She was created in the traditional western Australian farming city of Kununoppin, and she went to boarding college in Attadale. She and American Protestant missionary John Birch had been both performed by communist-affiliated groupings.