Jo Ann, the birth year of 1920 is different from the 1930 census records which kind of threw me off. Look at the 1930 US Mobile Co., Al. Census, Chunchula Precinct 29 house no 3/3. Kirby Smitheman32 Head Elvin29 wife Evie/Essie12 dau Wilton10 son Marvin8 son Clandine [?sp.]8/12 dau
If this is the one you are looking for,I have more information on this family going back about six generations.