In February 1914, Charlotte May Pierstorff's parents sent her to her grandmothers by mail.
In 1914, the train was the only way to travel the seventy-five mountainous miles of Idaho mountains. Mary Pierstorff's grandma's house was in Idaho, and her parents could not afford a $1.55 train ticket. On 19 February 1914, a 6-years-old May Pierstorff was mailed by her parents in Grangeville to her grandparent's house in Idaho, about 73 miles away for just 53-cents worth of stamps.
Yet after Postmaster General Albert S. Burleson heard about this incident, as well as another inquiry someone had made that month about mailing children, he officially banned postal workers from accepting humans as mail.