Sinéad McCoole has curated exhibitions on Irish art, including Lady Lavery: Society and Politics (1996), Passion and Politics (2010), and Guns and Chiffon (1997), which toured in Ireland and the US in 1998.
In the New York City she curated Crossings, (2011) and Island-Drawing Conclusions: Mapping the Irish (2012) at the American Irish Historical Society, New York.
Her books include Hazel: A Life of Lady Lavery (1996), Guns and Chiffon (1997), The Researcher's Handbook (2000), No Ordinary Women: Irish Female Activists 1900-1923 (2003) and Passion and Politics (2010). She is currently working on the story of the widows of the executed leaders of the 1916 Rising; the working title is Easter Widows. Since 2008 she has been Curator/Manager at the Jackie Clarke Collection.