Newt Dillard (probably family friend),
Pickard Cady Walker
Kyle Dillard (probably family friend).

The back of the photo says:
Newt Dillard
P.C. Walker
Kyle Dillard
Aug 28-40
Lake Brownwood
------
2 yellow cats 16# & 14#
Tub full small ones
1/2 to 2#