Limerick Township is a township in Montgomery County, Pennsylvania, United States. The township 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 formal proceedings recording the township's boundaries …Limerick Township is a township in Montgomery County, Pennsylvania, United States. The township 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 formal proceedings recording the township's boundaries were not entered until March Sessions 1726. Royersford was created from its southeastern corner in 1879. Limerick Township is a member of the Spring-Ford Area School District. The township grew from a 1990 population of 6,600 to 18,074 as of the 2010 census. On July 27, 1994, a deadly tornado struck parts of Limerick Township, killing an infant and her parents. The most severely affected area was the Hamlet housing development.