John Nann, Sr.
Long-time resident of Madison, CT, passed away peacefully on June 12, 2025, with his family by his side.
He was born in Montclair, NJ, the son of J. Milton and Margaret (Oates) Nann.
He is survived by his wife, Mary (Rees), of 64 years, his children, Christine Walsh, (Paul) of Holliston, MA, John Nann Jr. of Madison, CT, Margaret Hayden (Robert) of Madison, CT, Mary Katherine DeCarlo (Michael), of Greenwich, CT, and Elizabeth Bonanno (Theodore), of Darien, CT, and 17 loving grandchildren, Caitlin, Kelly, Ciara and Connor Walsh, Louisa Nann, Charlie, Rebe and Tess Whal, Michalah, Megan, Clay, and John Hayden, Madison and Jake DeCarlo, Theodore, Samuel, and Oliver Bonanno. As well as his brothers and sister, E. Barry Nann, Margaret Thomas, Paul Nann, and David Nann. He was predeceased by his son, Timothy Michael Nann, and his sister, Dorothy Smith.
John graduated from both Nicholls College, with an AA degree, and Seton Hall University with a BS degree. He also earned a CLU degree. He honorably served his country in the US Army National Guard.
After working for many years at Connecticut General Life Insurance Company, he started Diversified Funding LLC, specializing in Financial Planning and Insurance for over 40 years.
He was an avid tennis player, enjoyed skiing, playing the piano, and running, including four marathons. He was a former Governor of the Madison Beach Club, where he enjoyed his sunset swims. He was active in his community, local politics, coaching Little League, and St. Margaret’s Church.
Friends are invited to a Mass of Christian Burial, which will be celebrated at St. Margaret R.C. Church, 24 Academy St, Madison on Wednesday, June 18 at 1 pm. Burial will follow in West Cemetery, 71 Jannas Lane, Madison. In lieu of flowers, memorial contributions may be made to Demand Zero, PO Box 427, Madison, CT 06443 or online at www.demandzero.org