John Sherry of Rockville Centre died on Jan. 12, 2020, at age 21. John graduated from South Side High School in 2017. Visitation was held at Macken Mortuary in Rockville Centre on Jan. 15. The funeral service took place at St. Agnes Cathedral, 29 Quealy Place, on Jan. 16, 11 a.m. In lieu of flowers, the family would like donations to be sent to St. Judes Children’s Hospital in John's memory.