Lou Henry Hoover ( March 29 , 1874 - January 7 , 1944 ) was the wife of President of the United States Herbert Hoover and served as First Lady from 1929 to 1933 .
Louise `` Lou '' Henry Hoover ( March 29 , 1874 - January 7 , 1944 ) was the wife of Herbert Hoover , the President of the United States .