Limerick Township is a township in Montgomery County, Pennsylvania, United States. It was named for the hometown of early settler William Evans, whose family arrived in the area from Limerick, Ireland in 1698. The township is mentioned in Philadelphia court records in the 1710s, but was not formally established of record until March Sessions 1726. Royersford, Pennsylvania was created from its southeastern corner in 1879. Limerick Township is a member of the Spring-Ford Area School District.