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).

Biography of Fr Nicolas Tuite de MacCarthy SJ taken from the archives of the Society of Jesus in Toulouse (1977), and copybook belonging to Fr Proinsais Ó Fionnagaín SJ (Frank Finegan) entitled ‘P. Fr. Nicolas Tuite McCarthy, S.J. + 1833 à Annecy’, sourced from the Menologe de la Compagnie de Jesus par le P. Eleban de Guilhenny da la meme Compagnie (Paris 1892). At rear of copybook, reference is made to Irish Jesuits who died in the First World War.

Mission office material relating to Fr Donald Lawler SJ. Includes personal record; passport; passport photographs; photographs; mortuary card; documents concerning the estate of Fr Lawler; and correspondence between Fr Lawler and Frs Thomas J Martin and Vincent Murphy, Mission Office, Dublin.