Masson, Earl R., of St. Peters, Missouri, died on Monday, April 8, 2013 at the age of 95. Loving husband of Helen Masson (NEE: Inchiostro); beloved son of the late Pat and Nell Masson; devoted father of Rose (the late W. Gordon) Manion and John (Debra) Masson; cherished grandfather of Mallory Masson, James (Geda) Henry, and the late Robert Henry; treasured great-grandfather of Lydia (Martin) Hlinka, Gea Rose Henry, Ryan Henry, and Isaiah Henry; dear granddaughter-in-law Sue Henry.