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.
^The Vermont chapter held a three year affiliation with newly-formed Delta Upsilon beginning in 1851, but in 1854 withdrew to form Delta Psi (local). That local chapter was not affiliated with the small national fraternity of Delta Psi. It remained in operation until approximately 2004. Meanwhile, Delta Upsilon recolonized installing its restored Vermont chapter in 2018.
^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.