Overview
St Mary’s Priory sits proudly on Main Street in Tallaght, a bustling suburb of Dublin. The complex is a striking example of 19th‑century Gothic Revival architecture, designed by the eminent architect J.J. McCarthy and completed around 1863. Its most eye‑catching feature is the medieval five‑stage tower of Tallaght Castle, seamlessly incorporated into the priory’s L‑plan layout. Today the priory functions as a parish church, a retreat centre, and the home of the Priory Institute, a centre for theological study.
History
The story of St Mary’s Priory stretches back over a millennium. The earliest monastic settlement on the site was founded in the third quarter of the 8th century by Saint Maelruan, a leading figure in the Celtic monastic reform movement. Tallaght quickly became a centre of learning, producing important texts such as the Martyrology of Aengus and the Stowe Missal. The monastery suffered repeatedly from Viking raids; in 811 the original settlement was sacked, marking the end of its golden age.
After the Norman invasion, Tallaght passed into the hands of foreign prelates and later became a rural bishopric. In 1179 Saint Laurence O’Toole secured a papal grant of Tallaght for the See of Dublin. By the early 14th century a royal charter allowed the town to be fortified, and Archbishop Alexander de Bykenore erected a castle on the monastic site. The medieval castle tower still rises above the priory’s roof, a tangible reminder of that era.
The Dominican Friars arrived in 1855, establishing a novitiate that would grow into the present priory complex. A new wing added in 1903 linked the church to the historic tower, while a library block was completed in 1958. The Dominican Studium operated from 1935 until 2000, when the Priory Institute was incorporated to continue the educational mission.
What to See & Do
Visitors to St Mary’s Priory can explore several layers of history in a compact setting. The exterior façade showcases pointed, segmental and flat‑headed windows set in ashlar walls, with timber sash windows that retain their Victorian character. Gabled dormers with carved bargeboards punctuate the slate‑tiled roof, and the stone chimney stacks add a touch of rustic charm.
Inside, the priory church retains a serene atmosphere, with a later‑added chapel that offers quiet contemplation. The medieval tower, visible from the street, is a five‑stage structure that once formed part of Tallaght Castle; its stonework contrasts beautifully with the 19th‑century Gothic detailing.
The on‑site retreat centre, housed in a three‑storey over‑arcaded basement building, provides space for quiet reflection or small group gatherings. While the Priory Institute’s library is primarily for students, the building’s architecture alone is worth a look, especially the 1958 library block that reflects mid‑20th‑century design sensibilities.
Masses and Services
St Mary’s Priory is an active parish. Regular liturgies are listed on the website and include:
- Weekday Masses – 08:00, 10:00 and 13:00 (Monday‑Friday)
- Saturday – 08:00 and 10:00
- Sunday – 08:00, 10:00, 12:00 and a Polish Mass at 16:30 (first and third Sundays of the month)
- Special services – First Friday and Holy Days at 10:30‑11:00, plus occasional vigils and confessions.
Live streams of the liturgies are available via the parish website for those unable to attend in person.
Practical Information
St Mary’s Priory is open to the public throughout the week, with the parish office welcoming visitors Monday to Friday from 09:00 to 18:00. There is no admission charge for the church or the surrounding grounds, making it an accessible stop on any Tallaght itinerary.
Address: St. Mary’s Priory, Main Street, Tallaght Village, Dublin 24, Ireland.
Getting there:
- Luas – Red Line, Tallaght stop (a short walk to Main Street).
- Bus – Dublin Bus routes 210, 219, 225 and 238 serve Tallaght Village and stop directly outside the priory.
- Car – On‑street parking is available along Main Street and in the nearby car park at The Square Tallaght shopping centre (pay‑and‑display). Observe local signage for any time‑restricted zones.
Contact: Phone +353 1 404 81 00, email parish@stmarys‑tallaght.ie. More information, including details of the Priory Institute’s programmes, can be found on the official website.
Opening Hours
| Day | Hours |
|---|---|
| Monday – Friday | 09:00 – 18:00 |
| Saturday | Open (no specific office hours) |
| Sunday | Open (services may be held) |
Accessibility
The ground‑level entrance to the church is level‑access, and the courtyard is paved, offering reasonable mobility for most visitors. Wheel‑chair users should find the main nave and chapel accessible, though the medieval tower interior is not open to the public.
Events and Retreats
The retreat centre hosts quiet reflection days, spiritual workshops and small group retreats throughout the year. The Priory Institute also runs evening lectures, theological courses and occasional cultural events such as choral concerts. Check the parish website’s “Events” page for the latest schedule.
Nearby attractions
A short walk brings you to the remnants of Tallaght Castle, the historic heart of the area, and the vibrant Tallaght Village shopping district, where cafés and shops provide a pleasant break after exploring the priory. For those interested in further ecclesiastical heritage, consider a visit to the nearby All Hallows Monastery and Priory, another historic religious site in Dublin.
St Mary’s Priory stands as a living testament to Tallaght’s layered past—from early Celtic monasticism through medieval fortifications to Victorian religious revival—offering visitors a compact yet richly textured glimpse into Irish ecclesiastical heritage.