Ireland is 266 times larger than Cayman Is..
Area: 264 km2 World Factbook
Population: 54,914 (July 2013) World Factbook
The Cayman Islands are a British Overseas Territory in the western Caribbean Sea. The territory comprises the three islands of Grand Cayman, Cayman Brac and Little Cayman, south of Cuba and northwest of Jamaica. Wikipedia
Area: 70,273 km2 World Factbook
Population: 4,832,765 (July 2014) World Factbook
Ireland, also commonly referred to as the Republic of Ireland, is a sovereign state in Europe occupying about five-sixths of the island of Ireland. Wikipedia