From another site I found that her adopted first name was Mary Lou and that she had died in 1963, along with her son a few months earlier.
Discovered her adopted name was Mary Lou Herminghuysen.She married a David Aiken.Her son who was killed was John David Aiken.
Information about their deaths are at Ancestry.com and Newspaper Archive.I do not subscriptions to either, but have posted bits I could find from NewspaperArchive on the Indiana site.
An additional bit I found showing her birthday as April 2 1936 is from a newspaper: "Mrs. Aiken was born April 2. 1936. She lived all of her in Van Wert and was graduated from Van Wert High School in 1954 She was a member of Emmanuel Lutheran Church. She served two years with the Women's Marines at Cherry N. C. Funeral services will be Wednesday at p.m. in Al spach (sp?) Funeral Home in Van Wert