A funeral mass celebrating the life of Dennis John Patrick Cassidy, 47, was offered March 20 at Our Lady of Lourdes Church, West Orange. He passed away March 17 with the comfort of his family and friends by his side. Born and raised in Orange, he moved to Jersey City in 2001. For seventeen years he was a trader on the floor of the New York Stock Exchange and was currently employed as a Sales Trader for Pershing, LLC, Jersey City. Surviving are his wife Vaishali Sedani-Cassidy; his parents, John and Audrey Cassidy, and siblings Kevin Cassidy, Susan Memoli and Karen Cassidy. He was also uncle to Brittany and Evan Memoli, Kyle Cassidy and Emma Sedani. He was deeply loved and will be missed by all, especially his puppy, Linus. Services arranged by the Quinn-Hopping Funeral Home, Livingston.