Moorstown Castle is a late 15th century stone structure consisting of a circular keep and walled courtyard or bawn

Bawn

A bawn is the defensive wall surrounding an Irish tower house. It is the anglicised version of the Irish word badhún meaning "cattle-stronghold" or "cattle-enclosure". The Irish word for "cow" is bó and its plural is ba...

. The circular tower house is unusual in Irish architecture, most such structures being square in plan. It was built by James Keating, an ally of the Earl of Ormond. The castle and associated lands passed to Robert Cox in 1635 and by marriage to the Greene family. It was bought by Richard Grubb through the Landed Estates Court in 1855. The property remains in private ownership.

It is thought that the 17th century Catholic priest, poet and historian Geoffrey Keating

Geoffrey Keating

Seathrún Céitinn, known in English as Geoffrey Keating, was a 17th century Irish Roman Catholic priest, poet and historian. He was born in County Tipperary c. 1569, and died c. 1644...

 had family connections with the castle.Evidence suggests that he may have been the third son of James fitz Edmund Keating of Moorstown.

Moorstown Castle was one of the Tipperary locations used in Stanley Kubrick

Stanley Kubrick

Stanley Kubrick was an American film director, writer, producer, and photographer who lived in England during most of the last four decades of his career...

's 1975 epic film Barry Lyndon

Barry Lyndon

Barry Lyndon is a 1975 British-American period romantic war film produced, written, and directed by Stanley Kubrick based on the 1844 novel The Luck of Barry Lyndon by William Makepeace Thackeray which recounts the exploits of an 18th century Irish adventurer...

.