My Family Line of Bannister S

hello i am tracying my family and it been tough getting some info because not been in contact with them and father died when i was two and mother had no info on them. the only documents is that of my grandfather's death record and it gave me my ggrand parents name's ,birth state . Amos Bannister and Elizabeth Booth is my ggrandparents Amos was born in england and Elizabeth was born in maryland that is all it gave on my grandfather's death record .my grandfather was Sylvester P.J. Bannister was born sept 17 1896,but got census saying 1887 and he was born in alamosa colorado .