Peter C. Dumas, 77, of Plymouth, formerly of Watertown, died at Brigham and Women’s Hospital on Feb. 25, 2016. He was the beloved husband of Donna M. (Collmer) Dumas.

Peter worked at the Raytheon Company for 35 years. He was a union steward and on the chemical spill team.

He was the devoted father of Christine Brouillard and her husband Robert, Charles P. Dumas and his wife Sherry, Renee Shea and her husband Herb and the late Lisa M. Tocco. Brother of Catherine Mastacouris, Helen Belitsos and the late Angelina Scombul. Brother-in-law of Robert Collmer. Grandfather of nine grandchildren and great-grandfather of two. He is also survived by many nieces, nephews, relatives and had many friends in Wareham.

Funeral services and burial were private. For online guestbook, visit www.faggas.com.