John "Jack" DellaRocco, 66, passed away on Sunday, May 7th, 2017 at Ellis Residential and Rehab Center. Jack was born in Schenectady on February 14th, 1951 and is the son of Livia (Mammarella) DellaRocco and the late John P. DellaRocco. Jack is survived by his mother, Livia DellaRocco; his brother, Paul DellaRocco; and his niece and nephew, Aliana and Jonathan. He is also survived by many cousins. A graveside service will be held on Friday, May 12th at 1 p.m. at St. Cyril and Method Cemetery, Duanesburg Road in Rotterdam. Jack's family would like to thank the mental and social services for their care and assistance to Jack over the many years of his illness. To leave a special message for Jack's family, visit www.demarcostonefuneralhome.com.