From the June, 1916 issue of the Locomotive Engineers' Monthly Journal, Brotherhood of Locomotive Engineers:
Corning, NY, May 3, 1916, Brother Mack Mersereau, age 70, member of Div. 47, died from pneumonia. He was admitted to the Brotherhood Aug. 12, 1893. A $1,500 Brotherhood insurance policy was paid out to Belle Mersereau, wife.