HELP! Photo identification needed for camp 1

We need your help....

 with identification of the people

 in the following photo:

Poston camp 1 Parish 3 
Sunday School Teachers
Rec. Hall Block 19.

(L-R): Hisako Sugioka, Rev. ______Yamamoto, Miss Erma Thompson, _______, Ruth Horikawa (?), Tad Shibata, Satoe Shindo (?), and Peggy Yamato.

                    

Photo credit: Lilyan (Takahash) Hirohama (36-6-C)

Other photos at: Poston In Pictures Blog