Iris Kirksey was a young actress who was credited with parts four films from 1939 through 1944, including National Velvet.
From the September 28, 1942 Mar-Ken Journal:
•MAR-KEN WELCOMES NEW STUDENTS: Iris Kersky, from Catholic Girls High.
•SUMMING UP THE SUMMER: Iris Kerksey rehearsed for a show that was given for the soldiers at Sawtelle, and spent her spare time training her pet lizard.
From 1943 Mar-Ken Yearbook; Senior Crossword Puzzle:
She’s added entertainment to our parties with her monologues, and collects lizards and other reptiles.
Iris was Praefectus of the Carpe Diem (the Latin Club in 1943).