Belchertown – William J. Swaim, 69, passed away unexpectedly on Tuesday December 10, 2024, at Baystate Wing Hospital in Palmer. Bill was born in Boise, ID, son of the late William Swaim and Joleen (Langa) Simpson. He worked professionally as a Field Service Representative at Boeing before retiring in 2015 and loved anything to do with technology and computers. Bill also is a 12-year veteran of the Airforce. Aside from his career and service, Bill enjoyed fishing, playing cards, traveling, volunteering at the Senior Center in Belchertown and spending time with his dogs. He is predeceased by his stepmother, Penny Johnson and his stepfather, Huey Simpson. William leaves behind his loving wife of 43 years Mary Jane (Rochon) of Belchertown, a brother, Robert Swaim and wife Laura of Fairview, OR, a sister-in-law, Pauline Novak and husband Robert of Leominster, two brothers-in-law, Dennis Rochon and wife Sue of South Hadley and Gilbert Rochon and wife Trudy of Ware and many other nieces, nephews and friends. Calling hours will be held at The O'Brien Family Funeral Home, 33 Lamb St. South Hadley, MA 01075 from 11-12:30 on Friday, December 20th. The funeral service will be held at 12:30 at the funeral home. Burial to follow in the Massachusetts Veterans Memorial Cemetery, 1390 Main St. Agawam, MA 01001, at 2 pm. In lieu of flowers, memorial donations can be made to the American Diabetes Association, diabetes.org/donate, or to a charity of your choice. For more information, or to make online condolences please visit obrienfamilyfh.com