These are the grandchildren of Emma and Ed Irwin by their four daughters. Grandchildren by their two sons are not pictured.
The picture was likely taken in Olmos or Brackenridge Park in the Summer of 1943.
Left to right, front row
David Schumann (later Crane,) Gary Matthews, Dorothy June Matthews, Shirley Montes
Back row
Dorothy Ann Salas, Joyce Montes, Betty Montes, Janice Rita Salas