When Mom was born, her family lived on Moreland Ave in Atlanta. By the next year, when her brother Lloyd was born, the family was living in College Park, just south of Atlanta. About two years later, the family moved to an unfinished house on Thompson Circle in Decatur, Georgia. This is the first house that Mom has memories of.
According to the real estate website, Zillow, the house was built in 1959 and is 1,426 square feet with three bedrooms and one bath.
Here's a floor plan that she drew of the house:
Here's the house on Google Maps: