Passed peacefully away in the presence of his family at St. Clare's Mercy Hospital on Saturday, June 18, 2016, Leo Costello in his 74th year of Avondale. Predeceased by his parents: Gerald & Mary Costello, brothers: Terrence, Ben & Paul, sisters: Mag Tobin & Pauline Gushue. Left with fond and loving memories are his children: Kelly Nichols (Glenn), Tanya Costello (Roger Pitts) & Leo, grandchildren: Mark, Katie & Sophia, sisters: Ann Mason, Trudy Hawco (Pat) & Kay Pellerine (Danny) and a circle of extended family and friends. Resting at Dunphy's Funeral Home, Holyrood with visitation on Tuesday, June 21, 2016 from 5 pm - 9 pm. Mass of Christian Burial will take place at 10:00 am on Wednesday, June 22, 2016 at Assumption Church, Avondale. Interment will be in Holy Sepulchre Cemetery, Mt. Pearl. Donations in his memory may be made to the ALS Society or to a charity of one's choice. Please visit www.dunphys.ca to sign the memorial guest book or to leave a message of condolence.