merrick long island
Merrick Info. Merrick is a hamlet and census-designated place on the South Shore of Long Island in the Town of Hempstead in Nassau County, New York.The community is served by the Merrick and North Merrick School Districts. The community is named for the Meroke, a tribe of Iroquois, who originally lived in the area.errick Info. Merrick is a hamlet and census-designated place on the South Shore of Long Island in the Town of Hempstead in Nassau County, New York.