The workhouse was designed by George Wilkinson, built at a cost of £5,785 and £910 for fixtures and fittings, and was completed in May 1843.

[3] The museum was extended and officially re-opened by President Mary Robinson on 14 June 1992.

[7] In 2013, the then Minister for Arts, Heritage and the Gaeltacht, Jimmy Deenihan, said that the museum was among the "best in Ireland" at "dealing with the past and recognising all traditions [and diversity]".

[9] The museum exhibited the Bronze Aged Tullydonnell gold rings, dating from 1200 to 800 B.C., shortly after their chance discovery in June 2018.

[4] In November 2022, the museum launched a database of Donegal people who died in World War I (WWI).