Looking for Missouri Ancestors

HELLO EVERYONE, MY NAME IS MICHELLE. I NEED HELP SO IF YOUR READING THIS AND YOU CAN HELP ME THEN I WOULD SO GREATFUL. I STARTED ANCESTOR HUNTING AFTER MY FATHER MENTIONED IT TO ME A FEW MONTHS AGO. SEE I HAVE ONLY BEEN HUNTING FOR A FEW MONTHS NOW. BUT WITH LONG HOUR AND A LITTLE SUCESS, I NOW HAVE ABOUT THREE GENERATIONS SO FAR. NOW I NEED ALL THE HELP THAT I CAN GET. I STARTED WITH ANCESTRY.COM BUT LIITLE IF NOTHING ABOUT WHAT I AM LOOKING FOR AND NO ONE IS WILLING TO HELP POVIDE ANY INFORMATION. I AM LOOKING FOR THE FARRIS,CRAWFORD, AND MANN FAMILIES INFORMATIN. YOU SEE IT'S SAID THAT MY MY GRANDMOTHER WAS SEEING THIS MAN BY THE NAME OF DARRELL OTHO FARRIS BIRTH- 4-7-1922 DEATH- 7-9-1983 SAN BERN CA. THEY HAD A BABY (MY DAD) AND SHE MARRIED HIS BROTHER TO GIVE MY DAD THE FARRIS NAME. DARRELL'S PARENTS-IVAN ALVERADO FARRIS-BIRTH 6-27-1902 MO DEATH-10-22-1956. HIS WIFE ETHEL MANN CEROKKE INDIAN BORN 1904 MO. SIBLINGS- IVAN MERRIL FARRIS BORN 5-9-1920 MO DEATH- 1-28-1964 IN LAS ANGELAS CA. CLERENCE EVERETT FARRIS 1924 MO. KATHERLINE FARRIS 1925 ILLINOIS. KENNITH FARRIS 6-26 1928 DEATH LAS ANGELAS CA 5-16-1988.IVAN A FARRIS' PARRENT WERE OTHO FARRIS-BIRTH 1869 IOWA WIFE AMANDA CRAWFORD 1868 MO. THIS IS ALL THAT I KNOW BUT IF YOU ARE READING THIS AND IT FALLS WITHIN YOUR FAMILY LINE SOMEWHERE PLEASE CONTACT ME WITH YOUR INFORMATIN I AM STUCK IN A RUT SO PLEASE HELP IF YOU CAN THANKS FOR FOUR HELP AND TIME AND EFFORT -M-