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John Blackburn — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Alameda, California

Our Model Tree links this John Blackburn across the 1910 and 1920 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 8-person household.

Age 14 b. ~1906 Male Son Born: California Single

1920 Census Record Details

Census Year1920
LocationAlameda, California
SurnameBlackburn
Given NameJohn W.
Relationship to HeadSon
SexM
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceCalifornia
Father's BirthplaceLouisiana
Mother's BirthplaceLouisiana
Additional Details
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
Township / WardOakland City
Est. Birth Year~1906

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

8 people recorded at the same address in the 1920 census.

Name Relation to head Relative to John Age Birth yr
John Blackburn Son — 14 ~1906
Leslie Blackburn Daughter — 9 ~1911
Florence Blackburn Spouse — 41 ~1879
Sidney Blackburn Son — 7 ~1913
Roy Blackburn Son — 7 ~1913
Aldra Blackburn Daughter — 6 ~1914
Maxine Blackburn Daughter — 11 ~1909
John Blackburn Head — 41 ~1879

Census Appearances

1910
Alameda, California
Son, age 4
Alameda, California · implied b. ~1906 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Blackburn
Given Name John
Relationship to Head Son
Sex M
Color / Race Black
Age 4
Marital Status Single
Birthplace California
Father's Birthplace Louisiana
Mother's Birthplace Louisiana
Birth State California
Birth Country United States
Birthplace (normalized) california
1920
Alameda, California
Son, age 14
Alameda, California · implied b. ~1906 — 8 household members
Surname Blackburn
Given Name John W.
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace California
Father's Birthplace Louisiana
Mother's Birthplace Louisiana
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State California
Birth Country United States
Birthplace (normalized) california

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links John Blackburn across 2 US Census years (1910 and 1920) in Alameda, California, using XGBoost record linkage.
Show:
This person
Anchor record
John Blackburn
Son · 1920 · age 14 · b. ~1906 · California
★ You are viewing this record
Sibling
Maxine Blackburn
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Blackburn
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aldra Blackburn
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Blackburn
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Blackburn
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1920 US Federal Census — Alameda, California Open full size

Page Contents

42 people indexed on this census page (ia:1920:14thcensusofpopu088unit:0229)

Line Name Age Relation Occupation Birthplace
1 Joseph 12 — — Portugal
2 Anthony 5 — — California
3 Helen D. 4 — — Oregon
4 George P. Barnes 33 Head Butcher California
5 Nora B. Barnes 35 Wife — Missouri
6 Gordon E. Barnes 15 Son — California
7 John D. Mcfarland 45 Head Laborer Tennessee
8 Mary E. Mcfarland 43 Wife — California
9 Bernice A. Houston 13 Boarder — California
10 John T. Blackburn 41 Head Porter Louisiana
11 Florence E. Blackburn 41 Wife — Louisiana
12 John W. Blackburn THIS PERSON 14 Son — California
13 Maxine A. Blackburn 11 Daughter — California
14 Leslie D. Blackburn 9 Daughter — California
15 Sidney Blackburn 7 Son — California
16 Roy Blackburn 7 Son — California
17 Aldra T. Blackburn 6 Daughter — California
18 Archie A. Hall 52 Head Porter North Carolina
19 Anna B. Hall 44 Wife — Kentucky
20 Agnes B. Berry 12 Step-Daughter — Kentucky
21 Esther Gumbling 53 Head — Russia
22 Elizabeth Gumbling 29 Wife Stenographer Russia
23 Philip Gumbling 28 Son Teller California
24 Malin Gumbling 26 Daughter Stenographer California
25 Goldie Gumbling 24 Daughter — California
26 Herman Gumbling 22 Son Salesman California
27 Isaac Gumbling 21 Son Runner|Selling Oregon
28 Luigi Conti 38 Head Laborer Italy
29 Cristina Conti 34 Wife — Italy
30 Edith Conti 7 Daughter — California
31 Adelia Conti 5 Daughter — California
32 Joseph E. Bana 31 Head Deck Hand Portugal
33 Mary V. Bana 21 Wife — Portugal
34 Willie V. Bana 1 Son — California
35 Alfred V. Bana 20 Brother-in-law Laborer Portugal
36 Charles J. Weidlich 47 Head Sheet Metal Worker Illinois
37 Annie Weidlich 32 Wife — Michigan
38 Charles R. Weidlich 14 Son — Illinois
39 Charles T. Hill 42 Head S.M.W. Minnesota
40 Laura Hill 40 Wife Saleslady Nebraska
41 Dorothy E. Hill 19 Daughter — Nebraska
42 Charles T. Jr. Hill 17 Son — Nebraska

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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