Gerald was born in 1881. Gerald's father was John Fitzsimons and his mother was Julia. He was an only child. He died due to Bronchitis at the age of 40 on November 4th, 1921.
Gerald and Mary were married in a religious ceremony on February 10th, 1904 in St. Michans by Patrick Ryan. They had two sons and three daughters, named John, Gerald, Catherine, Esther and Mary.