It's more productive to look at census info you "know" is your family and go from there.What are you looking for exactly, a Gannon or a Cannon?
Luther Gannon is yours?
And John is dead by 1920?
Name: Luther Gannon Age: 25 Birth Year: abt 1895 Birthplace: Kentucky Home in 1920: Rosedale City, Bolivar, Mississippi Race: White Gender: Male Relation to Head of House: Step Son [Stepson] Marital Status: Married Father's Birthplace: Illinois Mother's Name: Minnie Naederhoff Mother's Birthplace: Kentucky Able to Read: Yes Able to Write: Yes Neighbors: View others on page Household Members: Name Age Odis Naederhoff 43 Minnie Naederhoff 42 Luther Gannon 25 step son Clarence Gannon 28 " Gladys Naederhoff 15 daughter Florence Gannon 22 Normand Gannon 2 grandson Pricilla Gannon 18
Yes, census info common to be "off" - sometimes by 10 years depending on the family :)