The Costello Chapel is a very small

Catholic The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...

chapel located in

Carrick-on-Shannon Carrick-on-Shannon () is the county town of County Leitrim in Republic of Ireland, Ireland. It is the largest town in the county. A smaller part of the town located on the west bank of the River Shannon lies in County Roscommon and is home to th ...

County Leitrim County Leitrim ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Connacht and is part of the Northern and Western Region. It is named after the village of Leitrim, County Leitr ...

, Ireland. It was built for Edward Costello in 1879, in memory of his wife, Mary Josephine, who alongside her husband is buried in the chapel. Measuring 16 foot by 12 foot, it is thought to be one of the world's smallest churches.

References

Roman Catholic churches in Ireland {{Ireland-RC-church-stub