-30 September 1953 Correspondence between Oscar Traynor, Minister of Defence, +McQuaid, Fr. John O’Regan, and members of the Irish Hierarchy in relation to changes in the Defence Forces Regulation pertaining to Army Chaplains.

-August 1955 Correspondence between Fr. John O’Regan, Fr. Chris Mangan, +Levame and +McQuaid in relation to ‘social services’ in the Army, following a request from the Nunciature for such information. Also discusses the Defence Force Regulations in relation to Army Chaplains.

Correspondence between +McQuaid, Frs. John, 19, May 1965, O’Regan, Cyril P. Crean and Patrick Duffey in relation to the Annual Army Pilgrimage to Lourdes. (see also file 21), 7 items

Correspondence between +McQuaid, Fr. P., 29, April 1949, MacSweeney, R.A.F. Station, Padgate, North Waddington, Lancashire, Fr. D.H. McDowell, Wordwell Camp, Culford, Bury St. Edmund’s, Fr. Richard J. Casey, Head Chaplain and Fr. John O’Regan mainly in relation to Irish men in the British Military Forces and working in factory camps. Also mentions the arrangements for 15 Catholic soldiers killed during the War which are being repatriated to Ireland for burial. 10 items

Letter from Fr. John O’Regan to +McQuaid stating he has met with Sr. Malone and conveyed to her the Archbishop’s admonition. She has apologised and will leave the Diocese.

• Correspondence between +Levame, +M.J. Killoughey, 8 March 1958 New Orleans, Mgr. Gerada and Mgr. O’Regan in relation to information on Sisterhoods and Superiors engaged in teaching in the Archdiocese.

Letter from Mgr. Storero to Mgr. O’Regan, Chancellor, Archbishop’s House, thanking him for the Quinquennial Report for the Institute of the Blessed Virgin Mary 1954 to 1958.

10-14 October 1960 Letters from Mgr. Storero to Mgr. O’Regan asking for a Baptism certificate for Maria Teresa Malaspina. She was baptised at University Church, St. Stephen’s Green. The certificate is needed for matrimonial purposes and has been requested by the Italian Embassy.

Handwritten letter to [+ Wall] from Richard J. Casey regarding the appointment of Fr. John O’Regan as Assistant Chaplain at Portobello.

Defence, relating to the appointment of Mgr Casey to a Parish, Fr. Patrick Duffy to the Chaplaincy at Portobello, and Fr. John O’Regan as Head Chaplain to the Forces.