Age 96, of Collier Twp., on October 31, 2019. Beloved husband of the late Anita (Karenza) Mamula; son of the late Nicholas and Anna (Ranich) Mamula; loving father of Nicholas S. (Sharon) Mamula, Arlene (John) Stankus and Susan (Dale) Bityk; brother of the late Ameila Villani, Steven Mamula, Milan Mamula, Dorothy Hughan and George Mamula; cherished grandfather of 6 and great grandfather of 8. Nicholas was a proud Veteran of WWII, serving with the U.S. Army. He was a retired Steel Worker from Universal Cyclops. He served on the Collier Municipal Authority, the Chartiers Valley School Board, and as Collier Township Commissioner. Family and friends received on Tuesday from 2-4 and 6-8 PM at the Warchol Funeral Home Inc., 3060 Washington Pike, Bridgeville (412.221.3333) and on Wednesday from 10:00 AM until the time of service at 11:00 AM, at Holy Trinity Serbian Orthodox Cathedral, 450 Maxwell Drive, Pittsburgh, PA 15236. Everyone please meet at church. Memorials may be made to Holy Trinity Serbian Orthodox Cathedral.