This book seeks to describe and map the numerous Marian apparition sites around Ireland from the late 19th to the end of the 20th century. Beginning with an introduction on modern private revelation, by Peter Bannister, it includes chapters on Louise Lateau, Knock, Mount Melleray Grotto, Ballinspittle, Inchigeelagh, Denis O'Leary, Padraig Caughey and much more.