It also gives brief outlines of the histories of the other clans who bear the surname Byrne or a similar varient.
Cover of the ‘O’Tooles of Feracualan’, a 19th century work by ‘John O’Toole’. However, ‘John O’Toole’ was really Fr. Meehan, a curate in Rathdrum, Co. Wicklow, and the book is far more O’Byrne of Leinster history than O’Toole history. Just a fragment in the complexity of researching the surname Byrne.