Documents relating to Fr John Gwynn's service as a chaplain attached to the 1st Battalion of the Irish Guards, B.E.F., France. Includes:

• letters written by Fr John Gwynn volunteering to be a chaplain (23 August – 8 November 1914, 2 items);
• documentation dealing with Fr Gwynn's appointment as a military chaplain (9 November 1914 - 16 March 1915, 9 items) including the certificate appointing him chaplain to the Forces, 4th Class, Land Forces, (Temporary) (16 March 1915, 1p.);
• certificate of safe conduct with attached photo of Fr Gwynn (4 July 1915, 1p.);
• letters and notes sent to the Irish Fr Provincial Thomas V. Nolan SJ (n.d., 3 items);
• official letters sent to the Irish Fr Provincial Thomas V. Nolan SJ following Fr Gwynn’s death in action on 12 October 1915 (11 October 1915 – 19 September 1921, 23 items);
• pamphlet 'A Great Irish Chaplain: Father John Gwynn SJ' by John Bithrey SJ (n.d., 20pp);
• material on centenary of Fr Gwynn's death - the Bishop of Arundel and Brighton celebrated Mass at the Sacred Heart Church, Caterham, Surrey, England where the Irish Guards have erected a tablet in Fr Gwynn’s memory (11 October 2015).