Arthur William Sour Jr., known as Art Sour (November 26, 1924 â January 10, 2000), was a petroleum and real estate businessman, who was a pioneer in the development of a competitive Republican Party in his native U.S. state of Louisiana.
One of Sour's sisters, Louise Pasquier, the widow of Charles F. Pasquier, Sr., was among the founders of St. Joseph Catholic Church in Shreveport.