Would ANYONE be KIND enough to help me find my ancestors?

I am trying to find my ancestors and trace back to where my family came from and their history. I can't find any good free websites to find my ancestors, I had posted another question and some people suggested I just post the information I know and that maybe someone with an account on like ancestors.com could help me so here it goes! All I'm trying to find out right now is when and where my great grandmother was born, and also the names of my great great grandparents and where they are from. The only information I know is that my great grandmothers name was Italia Montoli, her married last name was Schneider. She lived in Biloxi,MS but I don't know if she was born here. I think she died August 11, 1962. Her husband was Chester Schneider. She had several brothers and sister but I only know the names of 2, her brother was John Montoli and he lived in San Francisco CA, and one of her sisters were Helen or Helena? Montoli and she lived in New Orleans,LA. That is all I know about her. I would like as much info as I could get but mainly I'd like to know where and when she was born, what her parents names were and where and when her parents were born. I think they are from Italy but I am not sure. ANY help will be GREATLY appreciated!!! Thank you!!!