Northborough - Katherine M. (Boudreau) Tulis passed away peacefully on December 24, 2016 at Christopher House of Worcester. She leaves three daughters, Lorraine Yellick and her husband Alick of Northborough; Ann Marie Hardy and her husband Paul of Magnolia, MA; Christine Tulis of San Anselmo, CA; her sister Elaine Montgomery of Arlington; two grandchildren, Jennifer Mirabelli and her husband David of Weymouth; Christopher Yellick and his wife Kelly of Nottingham, NH; a great-grandson, Landon Yellick; many nieces and nephews; her predeceased son Robert Tulis; predeceased siblings, Arthur Boudreau, Geraldine Oliver and Bernice Rose; her predeceased grandson Alick J. Yellick. Born in Greenfield, she was the daughter of Arthur C. and Katherine (Campbell) Boudreau. Katherine lived in Northborough from 2006 - 2012 and is formerly of Arlington and Marlborough. She worked as a cook at Immaculate Conception and St. Mathias rectories in Marlborough. She also worked at St. Anne Novitiate in Marlborough. A devout Catholic, her faith and her children were her focus in life. She also loved to read and to participate in activities at the Northborough Senior Center. A funeral Mass will be celebrated on Thursday, December 29, 2016 at 11:00 a.m. in St. Bernadette Parish, 244 West Main St. Northborough. Burial will be held at a later date in Howard Street Cemetery Northborough. First Visitation Thursday December 29, 2016 9:00am - 10:30am, Hays Funeral Home 56 Main Street Northborough, MA 01532 Service Information Thursday December 29, 2016 11:00am, St. Bernadette Church 266 Main Street Northborough, MA 01532 Interment Location Howard Street Cemetery Howard Street Northborough, Massachusetts 01532