Fred Johnson — 1940 US Census Record

Model Tree available

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

Our Model Tree links this Fred Johnson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Carl & Alice — first a head (b.~1906), then head of a 4-person household.

Age 34 b. ~1906 Male Head Born: Utah Married

1940 Census Record Details

Census Year	1940
Location	Salt-Lake-County, Utah
Surname	Johnson
Given Name	Fred A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Utah
1935 Residence (City)	Precinct 5
1935 Residence (County)	Salt Lake
Additional Details
Occupation	Mechanic
Industry	Garage
Class of Worker	PW
Hours Worked	40
Income (1939)	1378
Highest Grade	H 4
1935 Residence	Same Place
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah
Occupation	Mechanic
Township / Ward	Precinct 5
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.

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

Name	Relation to head	Relative to Fred	Age	Birth yr
Fred Johnson	Head	—	34	~1906
Wendell Johnson	Son	—	10	~1930
Dee Johnson	Son	—	11	~1929
Hazel Johnson	Spouse	—	29	~1911

Census Appearances

1920

Salt Lake, …

Son, age 14

Salt Lake, Utah · implied b. ~1906 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Fred
Relationship to Head	Son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	Utah
Father's Birthplace	Denmark
Mother's Birthplace	Utah
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

1930

Salt Lake, …

Head, age 24

Salt Lake, Utah · implied b. ~1906 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Fred A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	24
Marital Status	Married
Birthplace	Utah
Age at First Marriage	22
Father's Birthplace	Denmark
Mother's Birthplace	Utah
Occupation	Auto mechanic
Industry	Garage
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	13
Radio Set	R
Veteran	no
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

1940

Salt-Lake-County, Utah

Head, age 34

Salt-Lake-County, Utah · implied b. ~1906 — 4 household members

Surname	Johnson
Given Name	Fred A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Utah
1935 Residence (City)	Precinct 5
1935 Residence (County)	Salt Lake
Occupation	Mechanic
Industry	Garage
Class of Worker	PW
Hours Worked	40
Income (1939)	1378
Highest Grade	H 4
1935 Residence	Same Place
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

Model Tree

Model Tree available

Our Model Tree links Fred Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Johnson (~0.92 confidence) and mother Alice Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Carl Johnson

b. ~1880

Source father

● Household · direct · ~0.92

Mother

Alice Johnson

b. ~1887

Source mother

● Household · direct · ~0.92

This person

Anchor record

Fred Johnson

Head · 1940 · age 34 · b. ~1906 · 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-t0627-04216-00102)

Line	Name	Age	Relation	Occupation	Birthplace
41	Fredrick Finlayson	9	Son	—	Utah
42	Janice Finlayson	1	Daughter	—	Utah
43	Horwood W Thomas	55	Head	Laborer	Utah
44	Annie W Thomas	49	Wife	—	Utah
45	Mary C Thomas	18	Daughter	—	Utah
46	Pearl R Williams	42	Head	—	Utah
47	Jessie J Leavitt	29	Head	Gardner	Utah
48	Phoebe Leavitt	31	Wife	—	Utah
49	Carol N Leavitt	7	Daughter	—	Utah
50	Sandra R Leavitt	6	Daughter	—	Utah
51	Violeta Leavitt	4	Daughter	—	Utah
52	Marguerite Leavitt	3	Daughter	—	Utah
53	Jessie N Leavitt	1	Son	—	Utah
54	Fred A Johnson THIS PERSON	34	Head	Mechanic	Utah
55	Hazel Johnson	29	Wife	—	Utah
56	Dee Johnson	11	Son	—	Utah
57	Wendell Johnson	10	Son	—	Utah
58	Murlin R Pendleton	34	Head	Welder	Utah
59	Edith W Pendleton	34	Wife	—	Utah
60	June Pendleton	10	Daughter	—	California
61	Jack Pendleton	8	Son	—	Utah
62	Nancy Pendleton	5	Daughter	—	Utah
63	Sharon Pendleton	2	Daughter	—	Utah
64	Charles W Revis	68	Head	Farmer	England
65	Clara M Revis	65	Wife	—	Utah
66	James Devecchi	54	Head	Farmer	Italy
67	Josephine Devecchi	48	Wife	—	Italy
68	Mary Devecchi	25	Daughter	Seamstress	Texas
69	Frank Devecchi	23	Son	Farmer	Texas
70	Josephine Devecchi	15	Daughter	—	Utah
71	Elinor Devecchi	8	Daughter	—	Utah
72	John R Mackey	37	Head	Farmer	Utah
73	Melva R Mackey	33	Wife	—	Utah
74	Boyd R Mackey	13	Son	—	Utah
75	Norene Mackey	11	Daughter	—	Utah
76	Marian Mackey	9	Daughter	—	Utah
77	Ralph Mackey	5	Son	—	Utah
78	Willard Barker	28	Head	Truck Driver	Utah
79	Evelyn Barker	21	Wife	—	Utah
80	Sheron Barker	0	Daughter	—	Utah

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Pedigree Summary

Fred

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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