John Clarence Cudahy (/ˈkʌdəheɪ/ CUD-ə-hey); December 10, 1887 – September 6, 1943) was an American real estate developer and diplomat.

[5] This regiment was part of the Polar Bear Expedition, which was sent to north Russia to intervene on behalf of the anti-communist forces in the Russian Civil War.

From August 23, 1937, Cudahy served as minister to the Irish Free State, which became the Republic of Ireland in December 1937.

A close friend of King Leopold III, he publicly denounced Britain, France and the U.S. for a failure to plan an adequate defense.

[9] Cudahy later authored the book The Armies March, recounting his experiences in Europe leading up to the war, including the Battle of Belgium and his meeting with Hitler.