Hi again.

I found something interesting in the Alabama Death Index.

I believe that this maybe your Laura Winston that died in 1938 in Dekalb County. If so, then you can order her death certificate and maybe find out who her parents were.

Alabama Deaths, 1908-59
about Laura Winston
Name: Laura Winston
Death Date: Aug 1938
Death County: De Kalb
Volume: 36
Certificate: 17692
Roll: 3