Nancy B. Mazzenga, 77, of Holliston, passed away on Sunday, May 24, 2026. Born in Needham, MA, she was the daughter of the late Barbara (Giles) and Roland Praetsch. She was the wife of Gerald Mazzenga for 57 years.
Nancy loved bird watching and visiting the beach, especially St. John and the Florida Keys. She enjoyed a variety of creative interests, going out to eat, driving her Lexus, participating in her bowling league, and, above all, caring for and supporting her family. As well as her beloved dogs, Nora and Gracie.
In addition to her husband, she is survived by her children, Barbara Koshivas and her husband, Dean, of Medway, Ann Mazzenga of Medway, Jeremy Mazzenga and his husband, Andrew Kearney, of Holliston, and Elizabeth Mazzenga of Holliston. She also leaves behind her brothers, Roland Praetsch and his wife, Jane, of Wrentham, and Steven Praetsch and his wife, Jeanne, of Holliston; grandchildren, Matthew Koshivas, John Koshivas (Anne) and Victoria Koshivas. As well as many nieces and nephews.
A Celebration of Life service will be held on Sunday, May 31, 2026 at 3:30pm at First Baptist Church of Holliston, 40 High St. In lieu of flowers, donations may be made to Saint Jude Children’s Research Hospital, stjude.org. Arrangements are under the care of the Chesmore Funeral Home of Holliston. www.ChesmoreFuneralHome.com
