Grainne (CM10)

Gráinne (CM10) was a Ton-class minesweeper in the Irish Naval Service. She was the former HMS Oulston. She was named after Gráinne, a legendary princess who was promised to Fionn Mac Cumhail but ran away with his young follower Diarmuid.

United Kingdom
Name: HMS Oulston
Namesake: Oulston
Builder: Thornycroft
Launched: September 1953[1]
Out of service: 1971
Identification: M1129
Republic of Ireland
Namesake: Gráinne, a legendary Irish princess
Acquired: 1971
Commissioned: 30 January 1971
Decommissioned: 1987
Identification: CM10
Fate: Sold to Spanish interests for breaking, 1987
General characteristics
Class and type: Ton-class minesweeper
Displacement: 360 tonnes
Length: 42.67 m (140.0 ft) overall
Beam: 8.4 m (28 ft)
Draught: 2.49 m (8 ft 2 in)
Speed: 15 knots (28 km/h; 17 mph) maximum
Complement: 30

Oulston was purchased from the Royal Navy in 1971, and commissioned as Gráinne. She was stricken in 1987 and sold to Spanish interests for breaking.


  1. "Archived copy". Archived from the original on 31 March 2008. Retrieved 27 November 2008.CS1 maint: archived copy as title (link)

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