Of Tonawanda entered into rest on May 25, 2026. Beloved husband of Madaline (nee Elias) Staniszewski; devoted father of Richard Staniszewski Jr., Bryan (Marie) Staniszewski, and Steven (Nicole) Staniszewski; cherished grandfather of Lillian, Ava, Bryan Jr., Abigail, and Mabel; dear brother of Edward (Carol) Staniszewski, John (Sharon) Staniszewski, Marty (Angie) Staniszewski, Lori (Edward Tokarczyk) Staniszewski, and the late Theresa (late John) Rasinski and Anthony (Cheryl) Staniszewski; also survived by many loving nieces, nephews, family and friends. A Mass of Christian Burial will be celebrated at St. Timothy R.C. Church (565 East Park Dr., Tonawanda) on Saturday, June 13 at 10AM. No prior visitation. In lieu of flowers, donations may be made to Meals on Wheels.