On Saturday, February 6, 2016. Beloved wife of the late John Nelson Costello, Sr.; mother of John N. (Larissa) Costello, Jr. and Mary M. (Ernest) Davies; sister of the late Nancy Fitzgerald; grandmother of Jack, Riley and Finnian Costello and Anna Davies. Also survived by brother-in-law, William Fitzgerald. Relatives and friends may call at Collins Funeral Home, 500 University Boulevard West, Silver Spring, MD, (Valet Parking), Thursday, February 11, from 7 to 9 P.M. Mass of Christian Burial at St. Peter”s Church, 2900 Sandy Spring Road, Olney, MD, on Friday, February 12, 2016 at 12 P.M. Interment Gate of Heaven Cemetery. Contributions in her memory, may be made to The Mission in the Dominican Republic, www.drvc.org/DRmission , where Ellen”s family member works as a missionary.