The local militia regiments also became part of the new regiment, becoming the 3rd to 5th (Militia) Battalions. The regimental district comprised the City of Londonderry and the counties of Donegal, Londonderry, Tyrone and Fermanagh in Ireland, with its garrison depot located at Omagh. In 1903 the Regiment was granted a grey hackle for their fusilier raccoon skin hats to commeorate the original grey uniforms of the Inniskilling Regiment. On 1 July 1881 the 27th and 108th were redesignated as the 1st and 2nd Battalions, The Royal Inniskilling Fusiliers respectively.
It saw service in the South African War, the First World War and the Second World War, before being amalgamated into the Royal Irish Rangers in 1968. The Royal Inniskilling Fusiliers was an Irish infantry regiment of the British Army formed in 1881 by the amalgamation of the 27th (Inniskilling) Regiment of Foot and the 108th Regiment of Foot.
