Ruby is a hamlet (and census-designated place) in Ulster County, New York, United States. The community is north of Kingston. Ruby has a post office with ZIP code 12475, which opened on June 2, 1896.
One-time major league baseball player Dutch Schirick was born in Ruby on June 15, 1890. In 1921, he organized the semi-professional Kingston Colonels team. Schirick went on to become a Supreme Court judge in Kingston.
The Roman Catholic Church of St. Wendelinus was founded as a mission station of St. Peter's in Rondoubt. By 1914, it had become a mission of St. Ann's in Sawkill. At that time, the congregation, of English and German descent, numbered approximately 60.
