Rosa Nagle was born in Winthrop, Massachusetts, the daughter of Italian immigrants. A graduate of UMass Boston with a BA in English. her first book of poetry, From Zephyr's Ankles, was published in 2005. In December of the same year, her poem “Ghost Story” appeared in The Iconoclast magazine. Her poem “Daydream” was published in Crucible magazine in 2009. In 2010, five poems of hers were included in an anthology of women's poetry, entitled Postcards from Eve.
On May 5, 2013, her play “On The Death Of June” had its first public reading at the Performing Arts Center of Metrowest, in Framingham, MA. She currently attends poetry workshops at Stone Soup.