Genealogy records of Isadore Leon Sonnier were compiled from genealogy files of Willie Ray Sonnier and David Leon Sonnier by Isadore Leon Sonnier and Claudine Box Sonnier. This collection consists of a pedigree chart of Isadore Leon Sonnier with additions/corrections. Sonnier is also the author and copyright holder of Cajun Boy: The Story of Acadiana, 1980, out of print. Donated by Isadore L. Sonnier.