Mary was born on March 7th, 1871 in Glengoole and her baptism took place on April 7th, 1871. Mary's father was James Carroll and her mother was Mary Morris. Her paternal grandparents were Pat Carroll and Jude Dunn; her maternal grandparents were William Morris and <Unknown>. She had a brother named Denis. She was the older of the two children. She died at the age of 34 on October 19th, 1905.
Mary and John were married in a religious ceremony on May 24th, 1896 in Glengoole. They had two sons and three daughters, named James, Edmond, Mary, Janie and Bridget.