St. Dominic Catholic Church (Washington, D.C.) opened on March 19, 1854. It was set in an area of the city known as "The Island" because, at that time, a canal ran where Constitution Ave. is today which connected the Potomac and the Anacostia Rivers. As the congregation grew it was recognized that a new sanctuary was needed to hold all the congregants. This new church was dedicated on June 13, 1875 by Most Rev. James Roosevelt Bayley, Archbishop of Baltimore. After President James A. Garfield was shot by Charles J. Guiteau on July 2, 1881, St. Dominic's joined other local churches in an "Appeal to Heaven"
Charles J. Guiteau convinced that his actions were divinely inspired, and that his destiny was to "preach a new Gospel" like Paul the Apostle. Guiteau then obtained a law license in Chicago; however, he was not successful as a lawyer. He argued only one case in court, the bulk of his business being in bill collecting. His former wife later detailed his dishonest dealings, describing how he would keep disproportionate amounts from his collections and rarely give the money to his clients. He next turned to theology. He published a book on the subject called "The Truth" which was almost entirely plagiarized from