Theta Delta Chi  Theta Delta Chi was an American college fraternity that was located in a house on Fourth Street.  Its members included Pfaffians Fitz-James O’Brien, John Brougham, Ned Wilkins, and Mark Smith along with "six others" (T. Miller 44). The men were initiated into the graduate chapter, known as the Lambda Graduate Association, in January of 1857, but the chapter was discontinued in the summer of that year. 

References & Biographical Resources

Brougham, John, Franklin Burdge, and Jacob Spahn. "The Age of Gold." Spahn, Brougham, Burdge; Oration, Poem, and History. Rochester: University of Rochester, 1873. 
Book is a compilation of different pieces performed on February 21, 1873, at the convention dinner at the Metropolitan Hotel.The book is also printed under the direction of the organization.
Miller, Tice L. Bohemians and Critics: American Theatre Criticism in the Nineteenth Century. Metuchen, NJ: The Scarecrow Press, 1981. 
Miller mentions that Edward G. P. Wilkins, Fitz-James O'Brien, and Mark Smith are members of the Theta Delta Chi Fraternity.
 [pages:44]
Personne [Wilkins, Edward G. P.]. "Dramatic Feuilleton." New-York Saturday Press. 21 Apr. 1860: 3. 
Personne mentions one of the "Theta Deltas" assisting him in obtaining a visit to one of Kellogg's rehearsals (3).
 [pages:3]
"Theta Delta Chi." New York Saturday Press. 11 Jun. 1859: 2. 
Wolle, Francis. Fitz-James O'Brien: A Literary Bohemian of the Eighteen-Fifties. Boulder, Col.; University of Colorado, 1944. 
O'Brien, Wilkins, Brougham and Mark Smith are mentioned as members of this group. The group served as material for O'Brien's .
 [pages:132]