Sisters of Mercy as Sancta Maria College to train women of the order. In 1965 it admitted laywomen and in 1972 enrolled male students. In 1967 the college was renamed Trocaire College. The word 'trócaire' means 'mercy' in the Irish language. This is an homage to the religious order which founded the college, the Sisters of Mercy, who were founded in Dublin, Ireland in 1831.
In August 2022, Trocaire and Medaille University signed a cooperative agreement. In January 2023, Trocaire purchased six buildings from Medaille. In April 2023, interim Medaille University President Lori Quigley announced that Trocaire College would be acquiring Medaille on July 31, 2023. In May 2023, Trocaire College President Bassam Deeb called off the deal.
== Academics ==
Trocaire College offers certificate, associate's degree, and bachelor's degree programs in healthcare, business, and technology. It focuses on offering career-oriented programs in growing fields. The college is home to the oldest private Associate's Degree in Nursing …
