He was in Delta Kappa Epsilon Fraternity.

Delta Kappa Epsilon was created on 1844-06-22.

Rutherford B. Hayes, Delta Kappa Epsilon, Honorary member

James Garfield, Delta Upsilon, Williams College

Chester Arthur, Psi Upsilon, Union College

Grover Cleveland, Sigma Chi, Honorary member

Benjamin Harrison, Phi Delta Theta, Miami University

William McKinley, Sigma Alpha Epsilon, Mount Union College

Theodore Roosevelt, Delta Kappa Epsilon and Alpha Delta Phi, Harvard University

William Howard Taft, Psi Upsilon, Yale University

Woodrow Wilson, Phi Kappa Psi, University of Virginia

Calvin Coolidge, Phi Gamma Delta, Amherst College

Franklin D. Roosevelt, Alpha Delta Phi, Harvard University**

Harry S Truman, Lambda Chi Alpha and Alpha Delta Gamma, Honorary member

Dwight D. Eisenhower, Tau Epsilon Phi, Honorary member

John F. Kennedy, Phi Kappa Theta, Honorary member

Gerald R. Ford, Delta Kappa Epsilon, University of Michigan

Ronald Reagan, Tau Kappa Epsilon, Eureka College

George H.W. Bush, Delta Kappa Epsilon, Yale University

Bill Clinton, Phi Beta Sigma, Honorary member

George W. Bush, Delta Kappa Epsilon, Yale University

Four chartered social fraternities, three colonies: Sigma Chi, Phi Gamma Delta (FIJI), Pi Kappa Alpha, Sigma Alpha Epsilon (currently suspended), Kappa Sigma (Colony), Alpha Tau Omega (colony), and Tau Kappa Epsilon (Colony).

Sorrorities Panhellenic Association Alpha Delta Phi, Alpha Omicron Pi, Kappa Delta, Kappa Kappa Gamma, Phi Mu, Zeta Tau Alpha Fraternities Infraternity Council Alpha Tau Omega, Delta Chi, Delta Sigma Phi, Delta Tau Delta, Kappa Alpha Order, Kappa Sigma, Phi Sigma Kappa, Pi Kappa Alpha, Sigma Alpha Epsilon, Sigma Chi, Sigma Nu, Sigma Pi, Sigma Phi Epsilon, Tau Kappa Epsilon, Theta Xi Sororities National Pan-Hellenic Council Alpha Kappa Alpha, Delta Sigma Theta, Sigma Gamma Rho, Zeta Phi Beta Fraternities National Pan-Hellenic Council Alpha Phi Alpha, Iota Phi Theta, Kappa Alpha Psi, Omega Psi Phi, Phi Beta Sigma