The bulk of the MSPC is made up of applications for, and the award of, the 1916 Medal and The Service Medal (1917-1921), pensions and gratuities by individuals (or their dependants) who served as members of the following groups between April 1916 and 30 September 1923:
- Irish Volunteers
- Irish Citizen Army
- Irish Republican Army
- Cumann na mBan
- National Army/Defence Forces
- Other similar named organisations on active service.
In addition, there are roughly 15,000 related special allowance or DP files.
Following archival treatment, a fully searchable online database will be added to Military Archives.ie. Eneclann say the project will take 30 months to complete.