A number of places in the world, like the places named after places of the United Kingdom, were named after the Channel Islands, or some place therein. Not all are named directly for one of the islands, but are often named indirectly, such as for another place on the list.
United States
Jersey New Jersey Jersey Shore, New Jersey Jersey City, New Jersey Jerseyville, New Jersey Clements, Maryland — named after Saint Clement, Jersey Jersey, Arkansas Jersey, Georgia — named for a Jersey bull, a breed that comes from the island of Jersey Jersey, Ohio Jersey, Virginia — named after the breed of cattle Jersey County, Illinois — named after its county seat and largest city, Jerseyville Jersey Township, Jersey County, Illinois Jersey Township, Licking County, Ohio — named after New Jersey by settlers from that state Jersey Island (California) Jerseyville, Illinois — named by a native of New Jersey
Guernsey Guernsey, Indiana Guernsey, Iowa — named after Guernsey County, Ohio Guernsey, Ohio Guernsey, Wyoming Guernsey County, Ohio Sarnia, North Dakota — named for Sarnia, Ontario, which in turn was named for Guernsey (Sarnia is the Latin name for Guernsey)
Canada
Jersey Caesarea, Ontario — (Caesarea is thought to be the Latin name for Jersey) Hermitage-Sandyville, Newfoundland and Labrador — named after Hermitage Rock, a tidal islet off the coast of Saint Helier, Jersey Jersey Harbour, Newfoundland and Labrador Jerseyside — neighborhood of Placentia, Newfoundland and Labrador Jerseyville, Ontario — named for New Jersey by settlers from that state St. Ouens, Manitoba — named for Saint Ouen, Jersey, one of its twelve parishes
Guernsey Guernsey, Saskatchewan Guernsey Cove, Prince Edward Island Ramea, Newfoundland and Labrador — named for Le Ramée, a neighborhood/street in Saint Peter Port, the capital of Guernsey Sarnia, Ontario — named by Lieutenant Governor Sir John Colborne after Guernsey, where he'd previously been lieutenant governor (Sarnia is the Latin name for Guernsey) Sarnia No. 221, Saskatchewan
Alderney Alderney Landing, Dartmouth, Nova Scotia
Elsewhere Jersey Jerseyville, New South Wales, Australia Saint Heliers, a suburb of Auckland, New Zealand (named after Saint Helier in Jersey)
References