The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting the Silver Star to Second Lieutenant (Infantry), [then First Sergeant] Leo Hennessy (ASN: 0-1998410), United States Army, for gallantry in action while serving with Company H, 2d Battalion, 18th Infantry Regiment, 1st Infantry Division, in action against the enemy in Ile-de-France, France, on 2 September 1944. His gallant actions and dedicated devotion to duty, without regard for his own life, were in keeping with the highest traditions of military service and reflect great credit upon himself and the United States Army.

The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pride in presenting a Second Bronze Oak Leaf Cluster in lieu of a Third Award of the Silver Star (Posthumously) to Second Lieutenant (Infantry) Leo Hennessy (ASN: 0-1998410), United States Army, for gallantry in action while serving with Company M, 3d Battalion, 18th Infantry Regiment, 1st Infantry Division, in action against the enemy in Germany, on 2 March 1945. His gallant actions and dedicated devotion to duty, without regard for his own life, were in keeping with the highest traditions of military service and reflect great credit upon himself and the United States Army.

The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pride in presenting a Bronze Oak Leaf Cluster in lieu of a Second Award of the Silver Star (Posthumously) to Second Lieutenant (Infantry) Leo Hennessy (ASN: 0-1998410), United States Army, for gallantry in action while serving with Company M, 3d Battalion, 18th Infantry Regiment, 1st Infantry Division, in action against the enemy in Belgium, on 21 January 1945. His gallant actions and dedicated devotion to duty, without regard for his own life, were in keeping with the highest traditions of military service and reflect great credit upon himself and the United States Army.