SS Donegal was a Midland Railway passenger ferry that served in the First World War as an ambulance ship. She was completed in 1904 and sunk by enemy action in April 1917.

The Northern Counties Committee (NCC) was a railway that served the north-east of Ireland. It was built to Irish gauge but later acquired a number of 914 mm narrow gauge lines. It had its origins in the Belfast and Ballymena Railway which opened to traffic on 11 April 1848.