Hi Mona,
Here is the information on Lizzie in Meriweather.
I'm not sure if this is the Lizzie that would be your grandmother's sister. This Lizzie was 28 in 1900.
Anyway.. this Lizzie Hood is B,F 28 Widowed and Head of Household. She amd her parents were born in Georgia.She had two childrem both living with her

Sigsby Son b. Mar 1895 and Frances J.(A.?) b. May 1900. Both children and their parents were born in Georgia.

Let me know. Good luck

g