Postcards received or sent by Séamus Ó Braonáin relating to formation of Tullamore Pipers Band, and Irish Volunteer Camps in Galbally, Co. Limerick and Ballylanders, Co. Limerick; photographs of Tullamore Pipers Band and Irish Volunteers; and charge sheet relating to the Tullamore Incident.

Scrapbook of newspaper cuttings, culled from the 1966 Jubilee publication by The Midland Tribune and other newspapers. Mainly relates to Offaly's participation in the period 1914-1916, particularly focussing on the Tullamore Incident. Contains a 'Partial list of the Boys from Tullamore and its environs that took part in the Fight for Irish Freedom.' Also lists the 'pioneers of the first Gaelic Society in Tullamore: Patrick F. O'Loughlin, Donal O'Connor, Thomas Barry, Richard Barry, Gerald O'Loughlin, John Forrestal, Patrick McLoughlin, Hugh Digan, Denis Davin, Thomas Moroney, Harry Ruxton, Jospeh Aylemers and James Pyke.

Photocopy of charge sheet relating to the twelve men arrested following the Tullamore Incident, the first on the list being James (Séamus) O'Brennan.

Contains manuscript material, brochures, pamphlets, and a substantial newspaper collection created principally by Tullamore brothers and Irish Volunteers Séamus and Alo O’Brennan. The earliest material from 1906 and 1909 are programs for feiseanna held by Tullamore Celtic Literary Society and Conradh na Gaeilge. Also includes letter from Inspector Crane of Tullamore RIC Barracks giving permission in 1911 to James Brennan (Séamus O’Brennan) to play hand-ball in the alley at the barracks during weekdays. Both Crane and O’Brennan were involved in the Tullamore Incident five years later.

Also includes a copy of the charge sheet relating to the Tullamore Incident of March 1916, the original of which is in a related set of O'Brenan family papers. This copy is annotated by Alo O’Brennan, along with annotated pages from Hansard’s Debates from April 1916 relating to the ‘affray.’

Also includes an illustrated pledge signed by Alo O’Brennan in Tullamore in June 1918 ‘denying the right of the British government to enforce compulsory service...’

Also includes an autograph book created by Séamus O’Brennan in Ballykinlar internment camp (1920-21).

Notes entitled 'Information/Background Info' by Colm O'Brennan 2015'. Analysis of the Tullamore Incident with lists of those charged and court-martialled.

Minute book recording meetings held and decisions taken by the committee of Tullamore GAA Club. Notable for references to the Irish Volunteers and the nationalist movement. While not mentioning the Tullamore Incident of 20 March 1916 directly, there was a proposal, later dropped, to hold a tournament to raise funds for the prisoners involved in the Incident (4 April 1916). This minute book also records the decision, passed unanimously, that the tri-colour jersey be worn by Tullamore club players in both hurling and football (31 May 1917).

Two handwritten accounts relating to the background to the Easter Rising and the Tullamore Incident. The accounts were prepared by Aloysius O'Brennan for the 50 year commemorations in 1966. A further memoir on the events of Easter Week was written by Alo's [wife], Maura O'Brennan. Also includes a scrapbook of cuttings compiled in 1966 during the Jubilee commemorations of the 1916 Rising.

Memoir by Aloysius O'Brennan recounting the Tullamore Incident of 20 March1916 and the subsequent charges brought against 12 men in relation to the incident.