John E. McCormack of Sandwich, Massachusetts passed away on October 23, 2026, at the age of 93, at McCarthy Care Center in Sandwich. He was born in New York, NY on December 16, 1932, to the late Earl and Ruth McCormack (O'Connell).
After graduating from Boston College, John joined the United States Army and served proudly from 1955–1957. He later returned to Boston College, earning a master’s degree in MBA Business. Through years of steady, hard work and quiet dedication, he built a life defined by faithful service to others—working for many years as the CFO at Youville Hospital in Cambridge, and also for the Grey Nuns and Marist Missionary Sisters. He also shared his knowledge by teaching accounting at Anna Maria College and North Eastern University.
John’s spirit carried both kindness and an adventurous openness to life’s simple joys. He enjoyed camping in the White Mountains and writing haiku poetry, and he took special pride in having two children’s books published. He was also a member of the Irish American Club in Yarmouth, MA, and the German American Club in Barnstable, MA. Above all, John cherished time with family—especially his grandchildren and great-grandchildren—and whenever there was family time, he was there.
John is survived by his loving wife of 69 years, Marie F. McCormack (McCauley) of Sandwich, MA; his daughters, Kathleen Le Gacy of Bourne, MA, Margaret Keenan (Timothy) of FL, Ellen Robery of Plainville, MA, and Claire Segota (Paul) of Kingston, MA; and his brother, Robert McCormack (Anne) of Brockton, MA. He is also survived by 10 grandchildren, 16 great-grandchildren, and many other family members.
He was predeceased by his only son, John E. McCormack, Jr. "Jackie" in 1990, and by his brothers; David McCormack and Harold McCormack.
Visiting hours will be held on Wednesday, October 28th from 4–7pm at Nickerson-Bourne Funeral Home, 154 Route 6A, Sandwich, MA. A Mass of Christian Burial will be held on Thursday, October 29th at 11am at Corpus Christi Parish, 324 Quaker Meeting House Rd., E. Sandwich, MA. Burial will follow at St. Patrick's Cemetery in Rockland, MA, where he will be laid to rest with his son Jackie.
