Gregg T. Cassidy of the Avenel section of Woodbridge Township passed away on Sunday, March 31, 2013 at home. He was 50 years old. Born in Rahway; He was a lifelong resident of Avenel. He was a Communicant of St. Andrew's R.C. Church in Avenel. He was predeceased by his father Francis Cassidy who passed away in 1989. He is survived by his daughter Erica Cassidy of Avenel; his mother Eileen Touhy Cassidy of Avenel; two brothers Matthew Cassidy and his wife Connie of Clark; Timothy Cassidy and his wife Kathy of Bethlehem, PA; five nieces and nephews Kevin, Crystal, Thomas, Danielle, and Timothy Cassidy. Funeral will take place Friday, April 5, 2013 9:00 a.m. from Costello-Koyen Funeral Home 399 Avenel Street, Avenel. a 9:30 a.m. Funeral liturgy will follow at St. Andrew's R.C. Church in Avenel. Interment will be in Holy Cross Cemetery, North Arlington, NJ. Visitation will be Thursday from 5:00 p.m. until 9:00 p.m..