Mark Edward Kowalewski, 41, of Millvale, died Sunday, Aug. 14, 2016. Mark lost his battle with his demons. He was the beloved son of Judy and Matthew Kowalewski; brother of Julie (George) Guiste and Michael (Tina) Kowalewski and the late Matthew J. Kowalewski Jr.; father of Kyle, Alexa and Emma Kowalewski; grandson of Edward Kowalewski; and is also survived by many nieces and nephews. Friends will be received from 2 to 8 p.m. Tuesday at the HAHN FUNERAL HOME & CREMATION SERVICES INC., 123 North Ave., Millvale. Services will be at 8 p.m. Tuesday.