Coney Island, County ClareConey Island, also Innisdadrom, is an island and townland in the estuary of the River Fergus in County Clare, Ireland. The island was named for its abundance of rabbits.GeographyConey Island lies in the centre of the River Fergus estuary. In 1837, it was measured at 226 acres. Nearby islands include Deer Island, Feenish and Trummer.History and archaeologyConey Island has two sets of church ruins. The older church was founded by Saint Brendan in 550.PopulationIn 1837 there were ten families living on the island, the population peaked at 145 in 1841. The island has been uninhabited since 1986.