Town

Castlerea

An Caisleán Riabhach

Castlerea's great houses and local medical family connect the town with manuscript collecting, surgery and the recording of Irish country life.

Watercolour and fine ink illustration of Castlerea station signal cabin, 3 May 1982.
Illustration, Castlerea station signal cabin, 1982 — reconstruction
Recorded locationCastlerea53.76827° N · 8.49032° WInteractive map supplied by OpenStreetMap.
Recorded place location · Logainm.ie

The name

These Irish name elements are associated with this record in the Logainm glossary.

An element’s translation is a clue, rather than a complete explanation of the name. Its form and meaning depend on local history and the full Irish name.

Recorded forms

  • An Caisleán Riabhach · Irish · main form · validated name
  • Castlerea · English · main form

Place & story

The Sandfords' demesne

The Sandford family owned Castlerea's estate from the seventeenth century until the early twentieth. Their residence, Castlerea House, stood in the area known as the Demesne, beside the site of an older O'Conor residence. After the last family member left in 1914, the lands passed into a trust. The town's familiar demesne landscape therefore preserves the setting of a former landlord's house and a later arrangement intended to manage its lands beyond the family's departure. [2]

Clonalis and the O'Conor papers

Clonalis House, dating from 1878, continued as an O'Conor family home and a repository of historical material. Its correspondence, heirlooms and portraits preserve several centuries of family history. The library contains thousands of volumes. The late Victorian Italianate building stands in wooded parkland, giving this neighbouring estate a different character from the former Sandford demesne. Its importance rests as much in its surviving collections as in the architecture of the house. [2]

People & connections

William Wilde on his father's rounds

William Wilde was born in Castlerea in 1815, where his father Thomas practised medicine. The family house faced Barrack Street. RCSI's heritage account describes William accompanying his father on visits to patients in the countryside, encountering local healing customs and country lore. He later trained as a surgeon and specialised in eye and ear medicine, while maintaining wide antiquarian interests. Thomas Wilde's grave in the nearby Church of Ireland cemetery provides a surviving local link with the physician's family. [3]

Geographic information

Place type
Town
County
Roscommon
Civil parish
Kilkeevin
Coordinates
53.76827, -8.49032
Logainm ID
43498 ↗

Population over time

Castlerea — Census 2016 settlement footprint

Population within 2016 settlement boundaries

2,344people · 2022

07501.5K2.3K3K 2016: 1,992 people20162022: 2,344 people2022

Both counts use the 2016 settlement boundary, allowing like-for-like comparison. CSO supplies the 2022 count on this older boundary for comparison only. The official 2022 Built Up Area has different boundaries.

View population figures
Castlerea — Census 2016 settlement footprint — census population
Census yearPopulation
20161,992
20222,344

Source: CSO Census 2022 Profile 1 — Appendix Table 1: Census 2022 De Facto Population for the 2016 Towns · Supporting source 1. CC BY 4.0. Retrieved 2026-10-25.

Castlerea, Roscommon — Census town, CSO 2006 report

2002–2006: census town

1,873people · 2006

05001K1.5K2K 2002: 1,788 people20022006: 1,873 people2006

These are the historical areas published in the 2006 census report. Boundaries may differ between censuses and from modern settlements. Legal towns, environs and suburbs are shown separately; none has been combined into a modern settlement total.

View population figures
Castlerea, Roscommon — Census town, CSO 2006 report — census population
Census yearPopulation
20021,788
20061,873

Source: CSO C0112 — Alphabetical list of towns, populations 2002 and 2006 · Supporting source 1. CC BY 4.0. Retrieved 2026-10-25.

Castlerea, Roscommon — Census town, CSO 1996 report

1991–1996: census town

1,790people · 1996

05001K1.5K2K 1991: 1,822 people19911996: 1,790 people1996

These are the historical areas published in the 1996 census report. Boundaries may differ between censuses and from modern settlements. Legal towns, environs and suburbs are shown separately; none has been combined into a modern settlement total.

View population figures
Castlerea, Roscommon — Census town, CSO 1996 report — census population
Census yearPopulation
19911,822
19961,790

Source: CSO A0112 — Alphabetical list of towns, populations 1991 and 1996 · Supporting source 1. CC BY 4.0. Retrieved 2026-10-25.

Castlerea, Roscommon — Census town, CSO 1986 report

1981–1986: census town

1,840people · 1986

05001K1.5K2K 1981: 1,874 people19811986: 1,840 people1986

Figures cover the historical town area printed in the 1986 report. Boundaries may have changed between censuses. Legal town, environs and suburb totals remain separate and differ from modern settlement boundaries.

View population figures
Castlerea, Roscommon — Census town, CSO 1986 report — census population
Census yearPopulation
19811,874
19861,840

Source: CSO Census 1986, Volume 1, Table 10, page 67. Creative Commons Attribution 4.0 International (CC BY 4.0). Retrieved 2026-10-25.

Other census areas and years

These figures use different area definitions. Read the boundary note before comparing them.

Castlerea, Roscommon

Published census settlement populations

1,992people · 2016

Settlement boundaries changed during this period. Differences may reflect boundary changes as well as population change. Where a 2011 legal-town-and-environs count is shown, it has not been recalculated onto the 2016 settlement boundary.

View population figures
Castlerea, Roscommon — census population
Census yearPopulation
20111,985
20161,992

Source: CSO E2016 — Population and Actual and Percentage Change 2011 to 2016. CC BY 4.0. Retrieved 2026-10-25.

Castlerea, Co Roscommon — Census 2022 Built Up Area

Built Up Area population, 2022

2,348people · 2022

Built Up Areas use a new land-use definition. Their population figures cannot be compared directly with Census 2016 settlement counts.

View population figures
Castlerea, Co Roscommon — Census 2022 Built Up Area — census population
Census yearPopulation
20222,348

Source: CSO F1015 — Population, Census 2022 Built Up Areas. CC BY 4.0. Retrieved 2026-10-25.

Sources & further reading

  1. Logainm.ie — Castlerea. Place names and geographic record, licensed under CC BY 4.0.
  2. Castlerea Area Plan, Roscommon County Development Plan 2008–2014 · Roscommon County Council
  3. A Wilde Life, 26 May 2015 · Royal College of Surgeons in Ireland Heritage Collections
  4. Castlerea station signal cabin, 3 May 1982 illustration: based on a Signal cabin, Castlerea station by Albert Bridge. AI-assisted watercolour and ink adaptation; cream paper margins added, incidental clutter omitted and fine details simplified. Licence: CC BY-SA 2.0; adapted illustration distributed under the same licence.

Name record retrieved 2026-10-25 · Source record modified 2026-09-19. How this page was prepared.