Yarmouth is a town in Cumberland County, incorporated on August 8, 1849 from a portion of North Yarmouth.
John Cousins, an early settler, bought the island named for him from Fernando Gorges. Two shipyards were eventually established on the island, one at Sandy Point and one at Birch Point.
Cousin's Island is the ferry terminal for service to Chebeague Island, a part of the town of Cumberland.
A major shipbuilding and manufacturing center in the 19th century, its focus moved to small scale fishing and lobstering in the 20th century. Now it has added a commuter residential role serving the greater Portland area.
