She began her teaching career in elementary and secondary schools in St. Priscilla Parish, Chicago, and Winona and Austin, Minnesota. In 1954 she joined the English department faculty of the College of St. Teresa in Winona, Minnesota, remaining there until to 1967. She had an interest in historically black colleges and universities, teaching at Allen University in South Carolina and Norfolk State University in Virginia.[6] She also taught abroad at two Tokyo, Japan campuses, University of the Sacred Heart and Meiji Gakuin University. She had visiting professorships at the Catholic University of America, SUNY-Buffalo, St. Andrew's Presbyterian College in North Carolina (now St. Andrew's University), and Siena College.[6]
She wrote poetry all her life, and it began appearing in print in the 1940s.[8] In 1949 she published "Explanation" in College English, and in 1959 she published "For Ruth Wallerstein Who Died in England, April 1958" there.[9][10] Flannery O'Connor, a Catholic who attended daily mass, spoke highly of “the Sister at Minneapolis that writes such good poetry."[11] Quinn corresponded with O'Connor and her mother Regina.[12] Quinn's poem, "Children Carrying Wood," appeared in Art Journal in 1962, and "In Branches of Spruce" in The Sewanee Review in 1963.[13][14]
She published five books, Motive and Method in the Cantos of Ezra Pound (with Hugh Kenner, Guy Davenport, and Forrest Read Jr.) (Columbia University Press, 1953); The Metamorphic Tradition in Modern Poetry (1955), reviewed by such figures as R. W. B. Lewis, David Ferry, Austin Warren, and Hazard Adams; Give Me Souls: A Life of Raphael Cardinal Merry del Val (Newman Press 1958), reviewed in The New York Times; To God Alone the Glory: A Life of St. Bonaventure (1962); and Ezra Pound: An Introduction to the Poetry (Columbia Introductions to Twentieth-Century American Poetry, 1972).[15][16][17][18] After her retirement she published a poetry collection, --dancing in stillness (1983).[19] She had residencies at Yaddo, the Bellagio Center (Rockefeller Foundation), and the MacDowell Colony, and received grants from the National Endowment for the Humanities and National Endowment for the Arts.[20][21][22]
She had significant letter-writing correspondences with major literary figures including Flannery O'Connor and her mother Regina; novelists Caroline Gordon, Doris Betts, Sylvia Wilkinson, Peter Taylor, Shelby Stephenson, Robie Macauley, and Robert Penn Warren; writer and painter Guy Davenport; the poets Denise Levertov, Gibbons Ruark, Grace DiSanto, Fred Chappell, James Laughlin, Robert Lowell, Robert Bly, Seamus Heaney, James Wright, Wallace Stevens, Richard Wilbur, and Allen Tate; the Italian-American poet and translator Mary de Rachewiltz (daughter of Ezra Pound), and violinist Olga Rudge (Pound's longtime companion); critic Frank Tuohy; and philosopher Donald Davidson.[6][23][24] Her papers are in the Beinecke Rare Book and Manuscript Library at Yale University, and the Wilson Special Collections Library of UNC-Chapel Hill.[2][12]
She published articles in journals such as The Sewanee Review, PMLA, and The English Journal, often writing about figures she knew personally such as Denise Levertov, Flannery O'Connor, Wallace Stevens, William Carlos Williams, and Randall Jarrell.[25][26][27][28][29]
