"Mary"
This is thought to be Mary Marguerite Onken, the daughter of Orville & Virgil (Phares) Onken. The probable date is about 1934-35.
Mary Marguerite Cook (nee Onken) was born in 1933 in Scotland County Missouri. She resides today in Memphis with husband, Bill Cook. She has a son, Mark Eggleston, by a previous marriage.