Suggested edit: My records show that George Devilbiss (136478765, George Andrew Devilbiss) is the son of Andrew Devilbiss - not this George S. Devilbiss. I don't know where or if he fits into the Devilbiss family from Canton, Missouri, I don't have him in my records.
Contributor: Jane Moss (48671712) BASED ON BELOW RESEARCH THE LINK TO ANDREW DEVILBISS AS FATHER HAS BEEN REMOVED

1900 United States Federal Census
Name: Geo Devilbiss
Age: 47
Birth Date: Jan 1853
Birthplace: Missouri
Home in 1900: Chico, Butte, California
Street: Fifth
Race: White
Gender: Male
Relation to Head of House: Head
Marital status: Married
Spouse's name: Mary A Devilbiss
Marriage Year: 1886
Father's Birthplace: Missouri
Mother's Birthplace: Missouri
Occupation: Farm Laborer
House Owned or Rented: O
Home Free or Mortgaged: F
Farm or House: H
Household Members:
Name Age
Geo Devilbiss 47
Mary A Devilbiss 50
Robert G Cox 29

1910 US Census
Name: George S Devilbiss
Age in 1910: 65
Birth Year: abt 1845
Birthplace: Missouri
Home in 1910: Pacific Grove, Monterey, California
Street: Congress Ave
House Number: 622
Race: White
Gender: Male
Relation to Head of House: Head
Marital status: Married
Spouse's name: Mary A Devilbiss
Father's Birthplace: Missouri
Mother's Birthplace: Missouri
Native Tongue: English
Occupation: Dairy Man
Employer, Employee or Other: Own Account
Home Owned or Rented: Own
Home Free or Mortgaged: Mortgaged
Farm or House: House
Able to Read: Yes
Able to Write: Yes
Years Married: 25
Household Members:
Name Age
George S Devilbiss 65
Mary A Devilbiss 68 (transcription error...May A Devilbiss on census)

1920 United States Federal Census
Name: George S Devilbiss [George E Devilbiss]
Age: 68 Birth Year: abt 1852 Birthplace: Missouri
Home in 1920: Pacific Grove, Monterey, California
Street: Congress Avenue House Number: 622
Residence Date: 1920
Race: White Gender: Male
Relation to Head of House: Head
Marital status: Married
Spouse's name: Mary A Devilbiss
Father's Birthplace: Maryland
Mother's Birthplace: Kentucky
Household Members: Name Age
George S Devilbiss 68
Mary A Devilbiss 68