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Jack Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Snohomish-County, Washington

Our Model Tree links this Jack Johnson across the 1930 and 1940 US Censuses in Snohomish-County, Washington (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.

Age 14 b. ~1926 Male Son Born: Oregon Single

1940 Census Record Details

Census Year1940
LocationSnohomish-County, Washington
SurnameJohnson
Given NameJack D.
Relationship to HeadSon
SexM
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceOregon
1935 Residence (City)Alderwood C.P.
1935 Residence (County)Snohomish
Additional Details
Highest GradeH 7
1935 ResidenceSame Place
Birth StateOregon
Birth CountryUnited States
Birthplace (normalized)oregon
Township / WardAlderwood Cp
Est. Birth Year~1926

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 1940 census.

Name Relation to head Relative to Jack Age Birth yr
Irene Johnson Daughter — 12 ~1928
Charles Johnson Head — 56 ~1884
John Johnson Son — 17 ~1923
Charles Johnson Son — 18 ~1922
Harold Johnson Son — 15 ~1925
Jack Johnson Son — 14 ~1926
Rudolph Johnson Son — 6 ~1934
Netta Johnson Spouse — 51 ~1889

Census Appearances

1930
Snohomish, Washington
Son, age 3
Snohomish, Washington · implied b. ~1927 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Johnson
Given Name Jack B.
Relationship to Head Son
Sex M
Color / Race White
Age 3
Marital Status Single
Birthplace Oregon
Father's Birthplace Norway
Mother's Birthplace Norway
Birth State Oregon
Birth Country United States
Birthplace (normalized) oregon
1940
Snohomish-County, Washington
Son, age 14
Snohomish-County, Washington · implied b. ~1926 — 8 household members
Surname Johnson
Given Name Jack D.
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace Oregon
1935 Residence (City) Alderwood C.P.
1935 Residence (County) Snohomish
Highest Grade H 7
1935 Residence Same Place
Birth State Oregon
Birth Country United States
Birthplace (normalized) oregon

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 Jack Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Johnson
Son · 1940 · age 14 · b. ~1926 · Washington
★ You are viewing this record
Sibling
Harold Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudolph Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1940 · age 18
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

1940 US Federal Census — Snohomish-County, Washington Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04358-00182)

Line Name Age Relation Occupation Birthplace
1 John L. Mercer 76 Head — New York
2 Gertrude L. Mercer 56 Wife — Minnesota
3 F. W. Wegner 64 Head — Germany
4 Ada W. Wegner 55 Wife — Indiana
5 Lewis E. Spayd 83 Father-in-law — Indiana
6 Richard E. Mowlds 23 Head Fireman Washington
7 Helen C. Mowlds 25 Wife — Washington
8 Richard M. Mowlds 2 Son — Washington
9 Paul W. Taylor 22 Lodger Fireman California
10 Iva H. Standenraus 40 Head Nurse So. Dakota
11 Isabelle Standenraus 71 Mother — Minnesota
12 A. Lee Standenraus 3 Son — So. Dakota
13 Walter H. Niehl 39 Head Laborer Iowa
14 Cecelia M. Niehl 35 Wife Pipe Fitter So. Dakota
15 James Niehl 13 Son — So. Dakota
16 Thelma M. Niehl 9 Daughter — So. Dakota
17 Harold W. Niehl 6 Son — So. Dakota
18 Albert C. Roughton 60 Head — Arkansas
19 Bertha Roughton 54 Wife — Arkansas
20 E. C. Chase 73 Head — Vermont
21 Evelyn Chase 66 Wife — New York
22 Leon F. Chase 38 Son Truck Driver Washington
23 Ernest C. Chase 40 Son Truck Driver Washington
24 Florence Chase 31 Wife — Illinois
25 Peter Nesby 58 Head — Denmark
26 Bertha Nesby 53 Wife — Denmark
27 E. Gordon Nesby 10 Son — Montana
28 Harry H. Hill 49 Head Proprietor Minnesota
29 Gertrude L. Hill 41 Wife — Illinois
30 Jean Hill 15 Daughter — Washington
31 Charles A. Johnson 56 Head Cabinet Maker Norway
32 Netta Johnson 51 Wife — Norway
33 Charles A. Jr. Johnson 18 Son — Minnesota
34 John N. Johnson 17 Son — Minnesota
35 Harold A. Johnson 15 Son — Oregon
36 Jack D. Johnson THIS PERSON 14 Son — Oregon
37 Irene L. Johnson 12 Daughter — Washington
38 Rudolph F. Johnson 6 Son — Washington
39 Edel Martin 46 Head Proprietor Minnesota
40 Ethel B. Martin 36 Wife — Washington

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 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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