Of Tewksbury, formerly of Waltham and Arlington, Mar. 13, Cynthia B. (Mucci) McDonough, age 55, beloved wife of Jon "Jack" McDonough. Former Nanny to the Serrano family in Winchester, medical asst. to Dr. Falzone of Brookline, and Lahey Clinic. Sister of the late Steven Mucci. Survived by several aunts and uncles, sisters-in-law, brothers-in-law, nieces, nephews and cousins. Also survived by her 3 dogs, Chloe, Halo, and Trixie and 4 cats, Angel, Sylvia, Arlina, and Hope. Her Funeral Mass was held on Monday, March 16, in St. Dorothy's Church, Memorials to the MSPCA at Nevins Farm, 400 Broadway, Methuen, MA 01844 will be appreciated.