Slattery, Eric J. "suddenly" August 18, 2019 of South Buffalo, NY; beloved son of Karen McLaughlin and James Slattery; dearest father of Autumn (mother Cara Sellon); brother of Leia and James LaBruna; grandson of Susan McLaughlin; nephew of Joe Slattery(Sharon Grande) and Colleen McLaughlin; grandson of the late Bill and Joan Slattery; also survived by many cousins and friends. Funeral services Friday at 9:00 AM from the SIECK, MAST & LESLIE FUNERAL HOME, 250 Orchard Park Road, West Seneca 825-5205 (between Seneca St. & Potter's Rd.) and in Our Lady of Charity Parish "Holy Family Worship Site" at 9:30 AM. Relatives and friends are invited to attend. Family will be present at the funeral home Thursday 3:00 -7:00 PM. In lieu of flowers, donations may be made to a college fund for Autumn Christine Slattery. Interment in Holy Cross Cemetery. Share online condolences at www.sieckandmastfuneralhome.com.