

Michael Thomas “Tom” MacNeil, beloved father and grandfather, mathematics professor and naval aviator, died on October 7, 2026. He was 96.
Tom was born May 27, 1930, in Detroit to Michael Stephen and Eileen Sarah (Boyle) MacNeil, both Canadian immigrants, with family roots in Cape Breton, Nova Scotia, and Newfoundland.
Following a Basilian education at Catholic Central High School, he studied mathematics at the University of Detroit, graduating in 1952.
Tom enlisted in the United States Navy, flying Douglas A-1 Skyraiders from the USS Intrepid on Mediterranean deployments before becoming a flight instructor in Pensacola. He returned with stories of travels through the South of France, Italy, and Greece. Afterward, work with early mainframe computers at Ford Motor Company drew him back to mathematics and inspired him to continue his studies.
He enrolled at the University of Notre Dame, where he earned a master’s degree in 1961 and pursued doctoral studies. It was his time in South Bend that cemented his love for all things ND.
In 1964, on the advice of an Ursuline Sister, Tom ventured east to join the faculty of the Department of Mathematics at the College of New Rochelle, teaching his last class in 2001. Years before bicycle commuting was fashionable, Tom regularly rode his bike to work.
At CNR, Tom met Margaret “Maggie” Jensen. They married, settled in New Rochelle, and raised three children. Education and politics were serious business in the MacNeil household, with occasional exceptions to the academic calendar: Mass at St. Patrick’s Cathedral followed by the St. Patrick’s Day Parade constituted a sanctioned school holiday. Summers brought family camping and hiking trips, a memorable trip along the Cabot Trail in Cape Breton, and annual car trips to visit his family in Detroit. Tom and Maggie later divorced but remained friends, celebrating holidays and family occasions together.
His friendships spanned decades and distance. He tended his friendships over a lifetime; two that began in childhood continued for more than 85 years. Tom could talk with his two sisters for hours, whether around the kitchen table long past mealtime or over the telephone.
Retirement brought grandchildren, family holidays, lunch with friends, regular trips to Lincoln Center and New York’s museums, and time to pass along what a long and attentive life had taught him.
Those who knew Tom often settled on the same word: gentleman. Tom was curious about people, quick to ask a name and something about the life behind it. Above all, Tom found his greatest joy in his family, cherishing his role as a father and grandfather. He followed his children and grandchildren in their studies, friendships, and activities, and regularly sent articles he thought they ought to read. He never entirely stopped being a teacher.
He coached, tutored, tended his garden, wept at a beautiful aria, and could happily lose an afternoon to a mathematics problem. He read The New York Times avidly and relished a good political argument, particularly one in which he had already decided he was right.
A devout Catholic, he was a longtime parishioner of St. Pius X Church in Scarsdale. Tom had a particular devotion to the Blessed Mother Mary and to the Notre Dame motto — Vita, Dulcedo, Spes: Life, Sweetness, Hope.
He leaves his three children, Michael Stephen of White Plains, New York; Katherine Marie (Gregory Niemetz) of Kaaawa, Hawaii; and Eileen Margaret (Andrew McGowan) of South Boston, Massachusetts; his six grandchildren, Emma, Nora, Peter, Mia, Nemo, and Zach; his sister, Eileen Jeffrey of Roswell, Georgia; and many nieces and nephews.
He was preceded in death by his parents; his sister, Catherine “Kay” MacNeil of Edinburg, Texas; and his brother James, who died in infancy.
Family and friends may visit the Edwin L. Bennett Funeral Homes, 824 Scarsdale Avenue, Scarsdale, on Friday, October 16, 2026, from 4 to 7 p.m.
A Funeral Mass will be celebrated at St. Pius X Church, 91 Secor Road, Scarsdale, on Saturday, October 17, 2026, at 10 a.m. Tom will be laid to rest with military honors at Gate of Heaven Cemetery in Hawthorne following the Mass.
In lieu of flowers, memorial contributions may be made to Detroit Catholic Central High School in Novi, Michigan, for the Class of 1948 Scholarship Fund. Donation · Detroit Catholic Central · GiveCampus @ https://www.catholiccentral.net/giving
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