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  • Irish: Caisleán na Deirge
Castlederg Town Centre - - 371674.jpg
The Diamond, Castlederg
Castlederg is located in Northern Ireland
Location within Northern Ireland
Population2,935 (2008 estimate)
Irish grid referenceH262845
• Belfast85 miles
CountryNorthern Ireland
Sovereign stateUnited Kingdom
Postcode districtBT81
Dialling code028, +44 28
EU ParliamentNorthern Ireland
UK Parliament
NI Assembly
List of places
Northern Ireland
54°42′30″N 7°35′36″W / 54.7083°N 7.5934°W / 54.7083; -7.5934Coordinates: 54°42′30″N 7°35′36″W / 54.7083°N 7.5934°W / 54.7083; -7.5934

Castlederg (earlier Caslanadergy, from Irish: Caisleán na Deirge, meaning "castle on the Derg")[1] is a village in County Tyrone, Northern Ireland. It lies on the River Derg and is near the border with County Donegal. It stands in the townlands of Castlesessagh and Churchtown,[2] in the historic barony of Omagh West and the civil parish of Urney.[3] The village has a ruined castle and two ancient tombs known as the Druid's Altar and Todd's Den. It had an estimated population of 2,935 people in 2008.

The village hosts some of the district's key events each year, including the Derg Vintage Rally, Dergfest music festival , Red River Festival and the traditional Apple Fair which sees the apple growers of County Armagh visit to sell their wares.

Traditionally, Castlederg was a traveller's stop along the ancient pilgrimage route to Station Island on Lough Derg. The town boasts ancient ruins and monastic settlements.


Early history[edit]

Historically the area around the town was a site of contestation between the territories of Owen (later Tír Eoghain) and Connail (later Tír Chonaill - mostly modern County Donegal). This rivalry between the two powers continued until the 16th century when they combined in the defence of Ulster against the encroaching Elizabethan armies. The Castlederg area, lying within the new barony of Omagh, was granted to the English Attorney-General for Ireland, Sir John Davies. Two castles were constructed on his proportion, Castle Curlews (Kirlish Castle) outside Drumquin and the bulk of what can be seen today on the northern bank of the Derg at Castlederg.[4]

The Troubles[edit]

During the Troubles, 25 people were killed in and around Castlederg (including Killeter and Killen)[5] and there were many bombings in the village. The Provisional Irish Republican Army (IRA) killed 11 members of the Ulster Defence Regiment and Royal Ulster Constabulary, four fellow IRA members whom it accused of being informers, and three Ulster Protestant civilians.[5] Four IRA members were also killed when their bombs exploded prematurely. Ulster loyalist paramilitaries killed three Catholic civilians.[5] For more information, see The Troubles in Castlederg.

2010 temperature record[edit]

Castlederg recorded a Northern Ireland record low temperature of −18.7 °C (−1.7 °F) on the morning of 23 December 2010.[6]


The narrow-gauge Castlederg and Victoria Bridge Tramway was built in 1883, to link the village with the Great Northern Railway (Ireland) at Victoria Bridge. Castlederg railway station opened on 4 July 1884, but was finally closed on 17 April 1933.[7]


19th century population[edit]

The population of the village increased during the 19th century:[2][8]

Year 1841 1851 1861 1871 1881 1891
Population 476 596 637 703 756 796
Horses 81 102 106 119 137 155

21st century population[edit]

Castlederg is classified as an intermediate settlement by the Northern Ireland Statistics and Research Agency (NISRA) (i.e. with a population between 2,250 and 4,500 people). On Census Day 29 April 2001 the resident population of Castlederg ward was 2,074. Of this population:

  • 23.0% were under 16 years old and 22.7% were aged 60 and above;
  • 48.2% of the population were male and 51.8% were female; and
  • 59.0% were from a Catholic community background and 40.5% were from a 'Protestant and Other Christian (including Christian related)' community background.
  • 6.2% of people aged 16–74 were unemployed.

For more details see: NI Neighbourhood Information Service


The town is one of the electoral wards in the Derg district electoral area of Derry City and Strabane District Council. The other wards are Finn, Glenderg, Newtownstewart and Sion Mills.[9] In the 2014 Derry and Strabane District Council election, three Sinn Fein, one DUP and one UUP councillors were elected from the Derg district.

Education [10][edit]

The remains of Castlederg Castle
  • "Saint Francis Of Assisi Primary School, Drumnabey, Castlederg". Archived from the original on 1 February 2013. Retrieved 10 December 2012.


  • Edwards Primary School[11]
  • Erganagh Primary school-closed
  • Gaelscoil na Deirge [12]
  • Killen Primary School[13]
  • Saint Patrick's Primary School[14]


  • Castlederg High School[15]
  • St Eugene's High School-closed



Gaelic games[edit]


  1. ^ "Castlederg". Place Names NI. Retrieved 18 March 2013.
  2. ^ a b "Census of Ireland 1891". Enhanced Parliamentary Papers on Ireland. Retrieved 22 March 2013.
  3. ^ "Townlands of County Tyrone". IreAtlas Townland Database. Retrieved 11 December 2012.
  4. ^ "Castlederg Castle". Retrieved 20 November 2018.
  5. ^ a b c Malcolm Sutton's Index of Deaths from the Conflict in Ireland (search for "Castlederg"). Conflict Archive on the Internet (CAIN).
  6. ^ "Northern ireland diary of highlights December 2010" Archived 5 April 2011 at the Wayback Machine. Met Office. Retrieved 14 August 2011
  7. ^ "Castlederg station" (PDF). Railscot – Irish Railways. Retrieved 16 September 2007.
  8. ^ "Census of Ireland 1851". Enhanced Parliamentary Papers on Ireland. Retrieved 22 March 2013.
  9. ^ "The District Electoral Areas (Northern Ireland)". Retrieved 20 November 2018.
  10. ^ "Schools in Castlederg". Retrieved 20 November 2018.
  11. ^ "Edwards Primary School". Retrieved 20 November 2018.
  12. ^ "Gaelsoil na Deirg". Retrieved 20 November 2018.
  13. ^ "Killen Primary School". Retrieved 20 November 2018.
  14. ^ "Saint Patrick's Primary School". Retrieved 20 November 2018.
  15. ^ "Castlederg High School". Retrieved 20 November 2018.


External links[edit]