Most likely this is the Unclaimed:
1915 Kansas Census
Name: Ralph Hoffman
Census Date: 1915
Residence County: Wyandotte
Residence State: Kansas
Locality: Kansas City Ward 4
Birth Location: Kansas
Family Number: 231
Gender: Male
Estimated Birth Year: abt 1913
Race: White
Line: 28
Roll: ks1915_263
Household Member(s):
Name Age
B S Hoffman 38
Frank Hoffman 14
Sherman Hoffman 12
Kirk Hoffman 11
John Hoffmann 9
Charley Hoffman 7
Leroy Hoffmann 4
Ralph Hoffman 2
Joseph Hoffman 7 Weeks <----Ernest J in other censuses
Louise Schweers 55
J J Eagan 34
------------
1920 Census - family, Ernest not in it
Name: Barton S Hoffman
Age: 43
Birth Year: abt 1877
Birthplace: Pennsylvania
Home in 1920: Kansas City Ward 2, Wyandotte, Kansas
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Widowed
[Widow]
Father's Birthplace: Pennsylvania
Mother's Birthplace: Pennsylvania
Home Owned: Rent
Able to Read: Yes
Able to Write: Yes
Neighbors: View others on page
Household Members:
Name Age
Barton S Hoffman 43
Sherman Hoffman 17
Kirk W Hoffman 15
John A Hoffman 14
Charles H Hoffman 12
Leroy M Hoffman 10
Ralph T Hoffman 8
-----------------
1920 Census - Ernest with aunt and uncle
Name: Earnest Hoffman
Age: 4
[4 9/12]
Birth Year: abt 1916
[abt 1915]
Birthplace: Kansas
Home in 1920: Kansas City Ward 3, Wyandotte, Kansas
Race: White
Gender: Male
Relation to Head of House: Nephew
Marital Status: Single
Father's Birthplace: Pennsylvania
Mother's Birthplace: France
Neighbors: View others on page
Household Members:
Name Age
Henry C Hoffman 51
[50]
Augusta Hoffman 46
Earnest Hoffman 4
[4 9/12]
------------------
1925 Kansas Census
Name: Ralph E Hoffman
Census Date: 1925
Residence County: Wyandotte
Residence State: Kansas
Locality: Kansas City
Birth Location: Kansas
Family Number: 126
Gender: Male
Estimated Birth Year: abt 1913
Race: White
Relation: Nephew
Line: 3
Roll: KS1925_168
Household Member(s):
Name Age
Francis Hoffman 66
George A Hoffman 24
Edward C Hoffman 20
William E Hoffman 12
Evertt E Hoffman 15
Ralph E Hoffman 12
Earnest J Hoffman 10 <-----
------------
1930 Census
Name: Ernest Hoffman
Gender: Male
Birth Year: abt 1915
Birthplace: Kansas
Race: White
Home in 1930: Kansas City, Wyandotte, Kansas
View Map
Marital Status: Single
Relation to Head of House: Nephew
Father's Birthplace: Pennsylvania
Mother's Birthplace: Kansas
Occupation:
Education:
Military Service:
Rent/home value:
Age at first marriage:
Parents' birthplace:
View image
Neighbors: View others on page
Household Members:
Name Age
Henry C Hoffman 61
Nellie A Hoffman 49
Ernest Hoffman 15 nephew