Gillis of Billerica, formerly of Lexington born in Somerville, April 15, 2016, Julia Frances (Mullins) Gillis, age 95. Beloved wife of 29 years to the late John Richard Gillis. Devoted mother of Maureen Polnick and her husband, Sonny, Joanne, Patrice and Jane Gillis, all of Houston, TX and John Gillis and his wife, Taryn, of Billerica. Loving grandmother to Cara Ann and Joellen Zvara, Drew Cupp and John, Peter and Susanna Gillis. Beloved sister of Mary Mullins and Teresa Driscoll and the late Patrick, John, Timothy, Thomas Mullins, Anne Byrnes and Joan Foohey. Sister in law of Helen and Phyllis Mullins. Also survived by many nieces and nephews. Funeral from the Burns Funeral Home, 354 Boston Rd., (Rt. 3A), Billerica, Wednesday, April 20, at 9:30 a.m. followed by a funeral mass in St. Theresa’s Church, Billerica at 10:30 a.m. Relatives and friends invited. Visiting hours, Tuesday, 4-7 p.m. In lieu of flowers memorial contributions may be made in Julia’s name to Alzheimer's Association, 311 Arsenal St., Watertown, MA 02472. Interment, Westview Cemetery, Lexington. www.burnsfuneralhomes.com