Bill O’Neil, a beloved Vermont high school coach and educator, passed away on Saturday, April 26, 2025, at the age of 83 after a courageous battle with cancer.
Bill leaves behind an extraordinary legacy, his devoted wife of 50 years, Mary O’Neil, and their nine children: Scott, Tracy, Daniel, Matthew, Kathryn, Meredith, Cullen, Grace, and Linnae.
His passing also follows the heartbreaking loss of his son, Michael Paul O’Neil, and grandson, Declan Shaw O’Neil, earlier in 2024.
William Bernard O’Neil, known as Bill, was born on March 22, 1942, in Saranac Lake, New York.
He was the only son of Bernard C. O’Neil and Kathryn Welton O’Neil.
Growing up in Lake Placid, Bill attended local schools before graduating from Northwood School.
His passion for sports and education led him to Norwich University, where he graduated in 1965 as a three-sport star.
Bill’s athletic prowess and leadership would later earn him a place in the Halls of Fame at Norwich, the Vermont Principals Association, the Vermont Sports Hall of Fame, and the National Federation of High Schools.
Bill’s heart, however, was always with his family.
His 50-year marriage to Mary O’Neil was a cornerstone of his life.
Together, they raised nine children, creating a home filled with love, laughter, and support.
Through decades of coaching, teaching, and community service, Mary stood by Bill, sharing his triumphs and challenges.
Their bond was proof of an enduring partnership, and Bill’s devotion to his wife and family was evident to all who knew him.
A Coaching Legend Had A Remarkable 45-Year Career At Essex High School
Bill’s career began at Northwood School, where he taught and coached three sports, eventually becoming athletic director.
After a brief detour selling insurance, Bill found his true calling at Essex High School in 1973.
He taught English and coached boys’ hockey, girls’ soccer, and softball there, amassing an astonishing 24 state championships and nearly 1,300 wins.
His dedication to his athletes was unmatched—he loved teaching the game, but more than that, he loved guiding young people.
Former student Diane Adam shared,
“It was Mr. O’Neill who inspired me to become an English teacher. He made literature come alive and for forty years, when I introduced myself to my students each September, I told them it was because of him that I became a teacher.”
Via Brady & Levesque Funeral Home
Another former student, David, recalled,
“Billy was my coach and teacher at Northwood. He gave me the nickname I’ve had for 58 years. He also took this wise@$$ and turned me into a respectful young adult for which my parents thanked you. It is because of Billy/Arnie that I played 2 sports in college and Hockey professionally. Thank you Billy.”
Via Brady & Levesque Funeral Home
While teaching full-time, coaching, instructing night classes, and running a municipal swimming complex, he pursued a Master’s Degree for over 30 years, attending three different universities.
After retiring from Essex High School in 2018, Bill couldn’t stay idle. He volunteered with local teams and was eager to continue mentoring young athletes.
Bill’s love for sports was only surpassed by his passion for people. Whether on the field or in the classroom, he had a gift for connecting with others, leaving a lasting impression on countless lives.
Bill Is Survived By His Wife, Mary, Their Nine Children, And Ten Grandchildren
The family expressed profound gratitude to Miller 5’s staff, particularly Milton Rosa-Ortiz, for their exceptional care and friendship during Bill’s final days.
The O’Neils also mourn the loss of their son Michael and grandson Declan, who passed away earlier in 2024.
Many people have expressed their sadness and shared their condolences. This shows how much of an impact Bill had on their lives.
His warmth, humor, and dedication touched students, athletes, colleagues, and friends. His legacy lives on in the countless lives he shaped and the family he cherished.
There will be no visiting hours. A funeral mass will be celebrated at 12:30 p.m. on Saturday, May 3, 2025, at St. Patrick’s Church in Fairfield, Vermont.
In lieu of flowers, the family asks that friends consider donating blood in Bill’s memory—a fitting tribute to a man who gave so much to others.
Bill O’Neil’s life was a masterclass of love, leadership, and legacy. With Mary by his side, he built a family and a career that will be remembered for generations.
Vermont has lost a legend, but his spirit endures in every lesson taught, every game won, and every heart he touched.
Rest In Peace, Coach.
