John Cardinal O’Connor Memorial Library

jjoc-memorial-libraryThe reading room of the Archives of the Archdiocese of New York is located in the John Cardinal O’Connor Memorial Library. The library’s collection focuses mainly on the history of Catholicism in the United States, particularly in the Archdiocese of New York. Please feel free to search our online library catalog.  You may also view a list of all the books in the library. To make an appointment to use any of the books in the O’Connor Memorial Library, or to use any of the archival holdings, please contact