Trinity is a novel by American author Leon Uris, published in 1976 by Doubleday. It spent 21 weeks atop The New York Times Best Sellers list in 1976[1] and 14 weeks in 1977.[2]
The book tells the story of the intertwining lives of the following families: the Larkins and O'Neills, Catholic hill farmers from the fictional town of Ballyutogue in County Donegal; the Macleods, Protestant shipyard workers from Belfast; and the Hubbles.
The book describes a number of historical events, from the Great Famine of the 1840s to the Easter Rising in 1916.