Guilday, Peter (Keenan)(1884–1947) Catholic historian; born in Chester, Pa. A priest with a doctorate from Louvain, he taught at Catholic University (from 1914), was principal editor of the Catholic Historical Review (from 1915), and cofounded the American Catholic Historical Association (1919). His writings established him as the period's leading scholar in Catholic church history. He became a monsignor in 1935.
The Cambridge Dictionary of American Biography, by John S. Bowman. Copyright © Cambridge University Press 1995. Reproduced with permission.