Adolphe “Tats” Alexander, Jr. was a New Orleans jazz clarinetist and saxophonist with the Tuxedo Brass Band and then in Sidney Desvigne’s band on the SS Capitol (ca. 1922 – 1933). He played with Papa Celestin from mid-1940’s to 1954 and in the Eureka Brass Band then retired from music in 1955. He also played with the Happy Pals, Imperial, and Silver Leaf Brass Bands.
An interview with Adolphe Alexander can be found here: