Delta Upsilon is a North American collegiate social fraternity.[1] It was established at Williams College in 1834.[1][2] In the following is a list, active chapters are indicated in bold and inactive chapters are indicated in italic.[1][2][3][4]
^After going dormant, the chapter reformed from Zeta Phi, established in 1856.
^After going dormant, the chapter reformed from Omega Phi, established in 1912.
^Chapter formed from Delta Psi Literary Fraternity, established in 1840. From 1885 to 1906, the chapter was called Adelbert from the name of Men’s College at the university.
^Chapter formed from the O.A. Society, established in 1852.
^Was originally called the Waterville chapter until Waterville College changed its name to Colby College in 1867.
^Was formed at Jefferson College as the Jefferson chapter, becoming the Washington & Jefferson chapter in 1866 after the two schools merged.
^Chapter became inactive when the college closed in 1873. It reformed in 1908 from Delta Rho (local), established in 1903.
^Chapter formed from Gamma Nu, established in 1860. After going dormant, it was reformed in 1986 from Kappa Delta Upsilon, established in 1967.
^Chapter formed from the Atticaeum Literary Society, established in 1872.
^Chapter formed from the Mathetican Society, established in 1886.
^Chapter formed from the Barbs, established in 1883.
^Chapter formed from the Hautbeaux Club, established in 1889.
^Chapter formed from Nu Chi (local), established in February 1891 to become a chapter of Delta Upsilon.
^Chapter formed from Kappa Beta Sigma, established in 1890.
^Chapter formed from Alpha Upsilon, established in 1894.
^Chapter formed from Omega Alpha, established in 1894.
^Chapter formed from Omicron Nu, established in 1894.
^Chapter formed from Tau Delta Omicron, established in 1896.
^Chapter formed from Phi Alpha, established in 1896.
^Chapter formed from the Iron Key, established in 1899.
^Chapter formed from Lambda Nu, established in 1898.
^Chapter formed from Kappa Kappa, established in 1902.
^Chapter formed from Gamma Delta, established in 1907. After going dormant, the chapter reformed as a colony in the fall of 2023.
^Chapter formed from Phi Tau, established in 1905.
^Chapter formed from the Colonnades, established in 1904.
^Chapter formed from the Cleofan Club, established in 1904.
^Chapter formed from The Wranglers, established in 1902.
^Chapter formed from Sigma Tau, established in 1906.
^Chapter formed from Kanza Society, established in 1912.
^Chapter formed from Gamma Tau Beta, established in 1913. After going dormant, it reformed as a colony in spring 2023.
^Chapter formed from Delta Alpha, established in 1920.
^Chapter formed from the Dana Press Club, established in 1909. Later, it absorbed Delta Kappa.
^Chapter formed from Kappa Beta Psi, established in 1920.
^Chapter formed from Epsilon Kappa Phi, established in 1920.
^Chapter formed from Delta Pi, established in 1921.
^Chapter formed from Pi Kappa Chi, established in 1905.
^Chapter formed from Delta Mu Phi, established in 1920.
^Chapter formed from Phi Epsilon, established in 1926.
^Chapter formed from the Arcades Club, established in 1920.
^Chapter formed from Sigma Kappa Sigma, established in 1926.
^Chapter formed from Psi Nu Sigma, established in 1919. After going dormant, the chapter reformed as a colony on November 13, 2021.
^Chapter formed from Sigma Pi Tau, established in 1923.
^Chapter formed from Chi Omega Psi, established in 1928.
^Chapter formed from Pi Epsilon, established in 1923.
^Chapter formed from Alpha Pi Omega, established in 1931.
^Chapter formed from Kappa Mu Kappa, established in 1921.
^Chapter formed from Sigma Chi Sigma, established in 1921.
^Chapter formed from Delta Rho, established in 1946.
^Chapter formed from 1834 Club, established in 1947.
^Chapter formed from Pi Theta Bowling, established in 1947.
^Chapter formed from the 1834 Club, established in 1949.
^Chapter formed from Delta Sigma, established in 1899.
^Chapter formed from Rho Delta, established in 1946.
^Chapter formed from the 1834 Club, established in 1851. After going inactive, it reformed a colony on November 15, 2019, but closed in 2024 before being rechartered.
^Chapter formed from the Delta Club, established in 1949.
^Chapter formed from Chi Delta Tau, established in 1952.
^Chapter formed from Zeta Delta Epsilon, established in 1941.
^Chapter formed from 1834 Club, established in 1955.
^ abChapter formed from the 1834 Club, established in 1956.
^Chapter formed from Omega Phi Alpha, established in 1922. It withdrew in 1972 and again became Omega Phi Alpha (local). In 2005, it again became a chapter of Delta Upsilon.
^Chapter formed from Lambda Delta Alpha, established in 1922.
^Chapter formed from the Men of Webster Society, established in 1895.
^Chapter formed from 1834 Club, established in 1958.
^Chapter formed from 1834 Club, established in 1959.
^Chapter formed from Lambda Iota, established in 1919.
^Chapter formed from Alpha Delta Upsilon, established in 1960.
^Chapter formed from 1834 Club, established in 1960.
^Chapter formed from Kappa Theta Psi, established in 1902.
^Chapter formed from Delta Sigma Nu, established in 1958.
^Chapter formed from Alpha Chi Epsilon, established in 1963.
^Chapter formed from Alpha Delta Upsilon, established in 1964.
^ abChapter formed from Alpha Delta Upsilon, established in 1967.
^Chapter formed from Alpha Delta Upsilon, established in 1966.
^Chapter formed from Psi Omega, established in 1964.
^Chapter formed from Kappa Gamma Sigma, established in 1968.
^Chapter formed from Sigma Phi Beta, established in 1965.
^Chapter formed from Phi Sigma Chi, established in 1966.
^Chapter formed from Sigma Tau, established in 1968. After going dormant, it was reinstated as an associate chapter on November 12, 2021.
^Chapter formed from Omicron Chi, established in 1968.
^ abChapter formed from Alpha Delta Upsilon, established in 1969.
^Chapter formed from Alpha Upsilon, established in 1955. It withdrew and returned to local status in 1975, reforming as a chapter of Delta Upsilon in 1992.
^ abcChapter formed from Alpha Delta Upsilon, established in 1968.
^Chapter formed from Alpha Chi Lambda, established in 1966.
^Chapter formed from Alpha Delta Upsilon, established in 1969.
^Chapter formed from Delta Delta Tau, established in 1963.
^ abChapter formed from Alpha Delta Upsilon, established in 1970.
^Chapter formed from Alpha Delta Chi (local), established in 1961.
^The university and the national fraternity suspended the chapter for allegations of hazing.
^Chapter formed from Delta Omicron Tau, established in 1985.
References
^ abcRobson, John, ed. (1963). Baird's Manual of American College Fraternities (17th ed.). Menasha, Wisconsin: The Collegiate Press, George Banta Company, Inc. pp. 259-262.