He lived in Puryear, Tenn according to his sister's obit but I am not sure this is his 1920 census info - do you know?
Name: Grover C Davis
Home in 1920: Puryear, Henry, Tennessee
Age: 31
Estimated Birth Year: abt 1889
Birthplace: Illinois
Relation to Head of House: Self (Head)
[Head]
Spouse's Name: Laru L Davis
Father's Birth Place: Tennessee
Mother's Birth Place: Illinois
Marital Status: Married
Race: White
Sex: Male
Home owned: Rent
Able to read: Yes
Able to Write: Yes
Neighbors: View others on page
Household Members: Name Age
Grover C Davis 31
Laru L Davis 30
Cecil M Davis 9
Louise Davis 8
William G Davis 7
Grover C Davis 3
Grover Cleveland Davis Sr and LaRue Lucetta Littleton had 5 kids - 3 boys and 2 girls. Marjorie Cecil Davis (never married), Louise Littleton Davis (worked in Nashville Tennessean newspaper, was a historian, never married), William Joel Davis (my husband's grandpa, electrician by profession, went by his middle name "Joel"), Grover Cleveland Davis Jr (married Bernice Wheatley, had 2 daughters), and Earl Davis (born in 1921, after this census was taken. I can't find much info about him).
I know your inquiry is old, but if you have more info, contact me, please.