1. Was "Hattie" her given name, or could it have been "Harriet"?
2. WHEN and WHERE was she born?
3. WHEN and WHERE did she die?
4. WHERE was she buried?
5. WHO was her husband? (More than one husband?)
6. WHEN and WHERE did they marry?
7. WHO were their children, and WHEN and WHERE were they born?
The more information you can provide, the better the chances that someone can help you.