O'Connor-Cataldo, Dorothy E. of Westford, formerly of Mission Hill and North Andover, April 2, 2017. Wife of the late Ralph Cataldo. Beloved mother of Sean R. Cataldo and his wife Jana of Acton. Loving grandmother of Catie, Liam, and Norah Cataldo. Beloved sister of Sr. Mary O'Connor, SSND, and the late John B. O'Connor and the late Bernard J. O'Connor and his late wife Helga. Also survived by many nieces and nephews. Funeral from the Robert J. Lawler & Crosby Funeral Home, 1803 Centre St. WEST ROXBURY on Wednesday April 5, at 11:30 am. A Mass of Christian Burial will be celebrated in The Holy Name Church at 12 noon. Relatives and friends are invited to attend. Visiting hour Wednesday morning in the funeral home from 10:30 to 11:30 am. Interment St. Joseph Cemetery. In lieu of flowers donations may be made in Dorothy's name to the Alzheimer's Association, www.alz.org. Lawler & Crosby Funeral Home 617-323-5600