Memorial Plaque at Father Maternowski's alma mater, St. Hyacinth Seminary, Granby, MA,  bears the names of 15 graduates who went into the service as chaplains.

Memorial Plaque in the Saint Francis High School (a Catholic, private college preparatory high school) in Athol Springs, NY honors Father Maternowski and commemorates the school's Athlete of The Year. The Honorees are listed from 1945 to date.