Smith of Plymouth formerly of Cambridge, December 19, 2021, William M. Smith, age 77. Beloved husband of Mary (Mahoney) Smith. Father of Nicholas Smith and the late Sacha Smith. Brother of Ronald Smith. Loving grandfather of Ayden Zarella, Nicholas, Gregory, Alexander, and Liam Smith. Uncle of Brooke and Jason Smith. Nephew of Louisa Batum. Funeral mass will be held, Thursday, December 23, at 11:00 AM in St. Mary’s Church, 134 Norfolk St., Cambridge. Relatives and friends invited. Interment will be private. www.burnsfuneralhomes.com.