Letters from close personal friend of John McGahern, Dr. Niall Walsh, oncologist at Portiuncula Hospital, Ballinasloe, Co. Galway. Extensive file of letters from Walsh to John and Madeline McGahern. One letter to Madeline, dated 19 July 2009, from Walsh, outlines his collection of letters from John and his wishes that they should become part of the Archive at NUI Galway.
See also separate collection of Dr. Niall Walsh - McGahern Letters (P102) which also holds an extensive collection of letters from McGahern to Walsh.

File of letters from Neill Joy, Professor of Literature at Colgate University, New York, a colleague of John McGahern's when he taught there. Letters include detail of department/teaching matters at Colgate, McGahern's work there, comments on writing etc.

Letter from Neil Belton, Editor at Faber and Faber Publishers, London, to John McGahern, responding to McGahern's note "Your note means more to me than I can say" and offers comments on his work at Faber and previous publishing work. Also a Faber slip sending an unnamed book to McGahern. Email from Belton with detailed comments and suggested edits for "Memoir". (2004).

MS letter from poet Moya Cannon to John McGahern, sending comments on having read McGahern's "Memoir" and also asking follow up question from when John read in Galway and regarding the use of the word "whooshin". Cannon adds comments on ethnicity and use of the word in Irish history. She also encloses comments on essayist John Berger. Included in a TS poem by Cannon, signed and sent to McGahern.
Also a card written in thanks to McGahern for his time in speaking with Cannon's students.

File of manuscript letters from Monica McGahern to Sean (John) and Madeline McGahern. Also includes the text of remarks made by Monica on the occasion of the launch of the McGahern archive at NUI Galway.

File with two letters, one from Tom McGurk, RTÉ broadcaster, making contact since he and his wife Miriam O'Callaghan, had with McGahern in 1982, updating on personal family news and asking id McGahern had thought of a film treatment for The Leavetaking.
Second letter is from RTÉ broadcaster Miriam O'Callaghan, writing following her watching of the "Arts Lives" documentary on RTÉ on McGahern. She talks in detail in response to McGahern's writing and life, calling him "truly one of life's special people".

File of letters and postcards from writer, Michel Déon to John McGahern. Includes TS letter (30th Apr 1996) thanking McGahern for copies of "Les Creatures de Reve" and adding comments on McGahern's collected stories and on story writing; Letter (26 Feb 1998) sending detailed comments on "The Pornographer"; postcards sending personal good wishes, comments on publishing and on details for arranging a visit; Postcard 28 Sep 2005) thinking McGahern for sending Déon an inscribed copy of his "Memoir".

File of MS letters from German translator, critic, and poet, Michael Hamburger, with comments to John McGahern on his books and writing, including The Pornographer, wider comments on both their writing, visits to Ireland, and general personal conversations.

File of cards and letters from poet Michael Gorman to John McGahern, discussing both their work, Irish writing and literature, and related matters.

File of letters from Michael and Edna Longley to John and Madeline McGahern, includes thanks for support in "the Hewitt affair", separate letter thanks McGahern for pulling out of a summer school over the incident and with detail on the situation (1996), meeting with the McGaherns in Denmark; comments after McGahern visited to Belfast (1979); Letter from Edna to John from her base in Sweden as a Visiting Professor, thanking McGahern for reading at a Festival and adding comments on Seamus Heaney's Nobel Prize win (1996); Letter from Edna to John inviting him to read at Queen's University Belfast (1978).
Card with poem "The Blackthorn" from Edna Longley, with added comments about the breakdown of marriage of John and Janey Banville; Poem from Michael Longley, "The Rainbow" with note sent to John (!999); Poem in dedication to John McGahern, "Hawthorn", by Michael Longley and sent to Madeline McGahern following the funeral of John McGahern. (2006).