Couple and Child-Nacogdoches Co., Texas

Possible surnames: Jones, Dingler, Atkinson, Smith, Sanders, Norton, Britt, Strickland, Merritt, Crain, Mayfield, Jordan, Scott, Key. Picture was found in my parents old family pictures. Parents lived in Columbia Co. AR south Magnolia in the Rocky Mound community. The picture of the baby was taken by Harrington and Casley and the couple photo was taken by C.H. Casley studio in Nacogdoches Co., Texas

Who are these people?