Martin Ignatius Joseph Griffin (1842-1911) was a Catholic historian, writer and editor. He was born in Philadelphia on October 23rd, 1842. As a journalist, one of his first literary positions was as a reporter for 'The Catholic Standard and Times' in Philadelphia; soon, he became the editor of the paper. Griffin served as editor of the following journals: 'The Guardian Angel'(1867-1873), 'The Irish Catholic Benevolent Union Journal' (1873),'American Catholic Historical Researches' (1887), and 'Griffin's Journal'(1893). He also served as Secretary of the Irish Catholic Benevolent Union(1873-1893). Griffin founded the America Catholic Historical Society [Philadelphia]in 1884 and belonged to several other historical associations. He helped to organize the Continental Title and Trust Company of Philadelphia,served as a Knight of Columbus and brought the Catholic Knights of America into Philadelphia. He was also one of the founders of the Diocesan union of Philadelphia (1872) and introduced the Youths' Catholic Total abstinence Society into Philadelphia. In addition to his activities as an editor, Griffin authored the following works: 'A History of Old St. Joseph's Church' (1882), 'A History of St. John the Evangelist's Church' (1882), 'Thomas FitzSimons,Pennsylvania's Catholic Signer of the U.S. Constitution (1889), 'Bishop Michael Egan of Philadelphia' (1885) , 'History of Commodore John Barry'(1897), and 'The Trial of John Ury' (1899). Of Griffin's six children, only four survived-two sons and two daughters. The are listed as follows: Rev. Martin I.J. Griffin, Treasurer of St. Thomas College [St. Paul, Minnesota]; Dr. William L.J. Griffin;Sister Dorothea [member of the order of the Immaculate Heart]; and Philomena Griffin. He died on November 10th, 1911, in Philadelphia.