Martin Thomas Conboy Jr. (August 28, 1878 – March 5, 1944) was a United States attorney for the United States District Court for the Southern District of New York,[1] head of New York City Selective Service during World War I and a coordinating advisor to the New York State Selective Service during World War II.

[2] He was born on August 28, 1878, in Manhattan, New York City, to US Civil War veteran and Medal of Honor recipient, Martin Conboy, an Irish immigrant from County Roscommon, Ireland and Bridget Harlow.

Conboy represented de Valera and the Irish Republic in a US Supreme Court suit brought by the government of the Irish Free State seeking to take possession of remaining Dáil Éireann Funds held by US banks.

[2] In 1932, Conboy was appointed to serve as special advisor to Governor of New York, Franklin D. Roosevelt, counseling the governor in matters related to a corruption investigation into the Tammany Hall mayor of New York City, Jimmy Walker.

Ironically, Mr. Conboy had also served as defense counsel to the powerful Tammany Hall chieftain, Charles F. Murphy, during the 1920’s.