Charles Dawson Shanly emigrated to New York City from Ireland via Canada and was working as the Assistant Secretary of the Department of Public Works in 1857. In New York City during the late 1850s and 1860s, Shanly was productive as a journalist and editor at such publications as Vanity Fair, Mrs. Grundy, the New York Leader, the Atlantic Monthly, and the New York Saturday Press.
Wallack’s Lyceum was located in Broadway near Broome Street. Its productions included original works by Pfaffians John Brougham, Stephen Ryder Fiske, and Fitz-James O’Brien. The Lyceum, run by James W. Wallack, was at one time the leading theater in New York City.