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John Gardner — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Salt-Lake-County, Utah

Our Model Tree links this John Gardner across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents John & Bertha — first a head (b.~1915), then head of a 3-person household.

Age 25 b. ~1915 Male Head Born: Utah Married

1940 Census Record Details

Census Year1940
LocationSalt-Lake-County, Utah
SurnameGardner
Given NameJohn
Relationship to HeadHead
SexM
Color / RaceWhite
Age25
Marital StatusMarried
BirthplaceUtah
1935 Residence (City)Salt Lake City
1935 Residence (County)Salt Lake
Additional Details
Occupationcarpenter helper
Industryrailroad co.
Class of WorkerPW
Hours Worked48
Income (1939)950
Highest GradeH-4
1935 ResidenceSame place
Birth StateUtah
Birth CountryUnited States
Birthplace (normalized)utah
OccupationCarpenter Helper
Township / WardSalt Lake City
Est. Birth Year~1915

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.

3 people recorded at the same address in the 1940 census.

Name Relation to head Relative to John Age Birth yr
John Gardner Head — 25 ~1915
John Gardner Son — 1 ~1939
Vera Gardner Spouse — 24 ~1916

Census Appearances

1920
Salt Lake, …
Son, age 5
Salt Lake, Utah · implied b. ~1915 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Gardner
Given Name John S.
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace Utah
Father's Birthplace Switzerland
Mother's Birthplace Utah
Occupation none
Birth State Utah
Birth Country United States
Birthplace (normalized) utah
1930
Salt Lake, …
Son, age 15
Salt Lake, Utah · implied b. ~1915 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Gardner
Given Name John S.
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Utah
Father's Birthplace Switzerland
Mother's Birthplace Utah
Can Read/Write Yes
Birth State Utah
Birth Country United States
Birthplace (normalized) utah
1940
Salt-Lake-County, Utah
Head, age 25
Salt-Lake-County, Utah · implied b. ~1915 — 3 household members
Surname Gardner
Given Name John
Relationship to Head Head
Sex M
Color / Race White
Age 25
Marital Status Married
Birthplace Utah
1935 Residence (City) Salt Lake City
1935 Residence (County) Salt Lake
Occupation carpenter helper
Industry railroad co.
Class of Worker PW
Hours Worked 48
Income (1939) 950
Highest Grade H-4
1935 Residence Same place
Birth State Utah
Birth Country United States
Birthplace (normalized) utah

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.
Model Tree available
Our Model Tree links John Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Gardner (~0.92 confidence) and mother Bertha Gardner (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
John Gardner
b. ~1876
Source father
● Household · direct · ~0.92
Mother
Bertha Gardner
b. ~1888
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Gardner
Head · 1940 · age 25 · b. ~1915 · Utah
★ You are viewing this record
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Salt-Lake-County, Utah Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04225-00548)

Line Name Age Relation Occupation Birthplace
41 Carl M. Lind 42 Head Statistician Iowa
42 Ellen Lind 52 Wife — Iowa
43 Carl M. Jr. Lind 15 Son — Utah
44 Joan Lind 13 Daughter — Utah
45 Marie Nordstrom 77 Head — Sweden
46 Mary Apa 37 Head — Italy
47 Rose Mary Apa 16 Daughter — Montana
48 Frank Apa 15 Son — Montana
49 Gino Apa 9 Son — Montana
50 Alexander Buchanan 65 Head Secretary Scotland
51 Rose B. Buchanan 63 Wife — Utah
52 Richard Buchanan 27 Son Clerk Utah
53 Robert Buchanan 22 Son Clerk Utah
54 Reynoldo Clyne 42 Head Barber Utah
55 Zeltha Clyne 37 Wife — Idaho
56 Deloris Clyne 16 Daughter — Utah
57 Blanche Claypool 34 Sister-in-law Floor Lady Utah
58 Susan Halpin 56 Head — Utah
59 Delbert Halpin 26 Son — Utah
60 Robert Halpin 17 Son — Utah
61 Glennie Halpin 14 Daughter — Utah
62 Frank M. King 52 Head Plumber Helper Utah
63 Laura King 48 Wife — Utah
64 Mackray J. King 22 Son Deliveryman Utah
65 Frank M. King 14 Son — Utah
66 Eugene Powell 43 Head Transfer Man Utah
67 Jennie Powell 38 Wife — Utah
68 Betty J. Powell 16 Daughter — Utah
69 Joyce L. Powell 5 Daughter — Utah
70 Ira Chapman Bird 44 Head Truck Driver Utah
71 Ada Bird 32 Wife — Utah
72 Betty Bird 11 Daughter — Utah
73 Gordon Bird 6 Son — Utah
74 Donald Bird 5 Son — Utah
75 Henry J. Reese 60 Head — Utah
76 Caroline Reese 56 Wife — Utah
77 John Gardner THIS PERSON 25 Head Carpenter Helper Utah
78 Vera Gardner 24 Wife — Utah
79 John E. Gardner 1 Son — Utah
80 Ferrin W. Jensen 23 Head Office Clerk Idaho

Pedigree Summary

John
Gen 1 · 2 parents ~0.92
Max depth 4 (1900–1950 window)

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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