He has written two novellas: The Last of Deeds (Dublin, Raven Arts Press, 1989), which was shortlisted for the 1989 Irish Times/Aer Lingus Award for Irish Literature, and Love in History (Harmondsworth, Penguin, 1992).
His novels are Resurrection Man (London, Picador, 1994), which detailed the bloodletting of the Ulster Volunteer Force gang, the Shankill Butchers; Booker-nominated The Blue Tango (London, Faber & Faber, 2001), which examined the murder of Lancelot Curran's 19-year-old daughter; The Ultras (Faber & Faber, 2004), about the killing of Robert Nairac; 12:23, based on the final days of Diana, Princess of Wales (Faber & Faber, June 2007); Orchid Blue (Faber & Faber, 2010), which looked at the last hanging in Ireland, in Crumlin Road gaol, of Robert McGladdery for the murder of 19-year-old Pearl Gamble, near Newry, in 1961; and Blue Is the Night (published in 2014), which deals with the involvement of Lancelot Curran in a murder trial in the Northern Ireland of the late 1940s. Blue Is the Night won the 2015 Kerry Group Irish Novel of the Year.
He has also written the Navigator trilogy, for children, The Navigator, City of Time and The Frost Child. McNamee commenced writing another series for children, the first book of which is The Ring of Five, and the second of which is The Unknown Spy, both of which are based on plotting and espionage. He was awarded the Macauley Fellowship for Irish Literature in 1990. He lives in County Sligo.
He has also written a series under the pseudonym John Creed: The Sirius Crossing; The Day of the Dead and Black Cat Black Dog. These feature the character of intelligence officer Jack Valentine.
- Philip Casey. "McNamee, Eoin - Irish Writers Online". Irish Writers Online. Retrieved 2 June 2015.
- Bruce Stewart. "Eoin McNamee – Life Works Criticism Commentary Quotations References Notes". Ricorso: A Knowledge of Irish Literature. Retrieved 2 June 2015.
- Martin Doyle (27 May 2015). "Eoin McNamee's Blue is the Night wins €15,000 Kerry Group Irish Novel of Year Award". The Irish Times. Retrieved 2 June 2015.
- "John Creed". Fantasticfiction.co.uk. Retrieved 2013-07-02.