Genealogy Questions? Ask a Genealogist for Answers ASAP
You can research your family tree yourself or employ a professional genealogist.
If you are researching your family yourself, find your grandfather and grandmother's birth certificates.
Work back following the paper trail, marriage and birth certificates.
It is a free program, you can check the US census records from 1820 to 1940.
The program also has birth / baptism, marriage and death records.
Best of luck