John Lewis — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Emery-County, Utah

Our Model Tree links this John Lewis across the 1920, 1930 and 1940 US Censuses in Emery-County, Utah (XGBoost, ~Confirmed), with identified parents John & Eva — first a head (b.~1902), then head of a 5-person household.

Age 38 b. ~1902 Male Head Born: Utah Married

1940 Census Record Details

Census Year	1940
Location	Emery-County, Utah
Surname	Lewis
Given Name	John S. Jr.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Utah
1935 Residence (City)	Emery Town
1935 Residence (County)	Emery
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	48
Income (1939)	1000
Highest Grade	Hs 2
1935 Residence	Same house
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah
Occupation	Farmer
Township / Ward	Emery Town
Est. Birth Year	~1902

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Dawn Lewis	Daughter	—	14	~1926
Ruth Lewis	Daughter	—	13	~1927
John Lewis	Head	—	38	~1902
John Lewis	Son	—	9	~1931
Hellen Lewis	Spouse	—	36	~1904

Census Appearances

1920

Emery, Utah

Son, age 18

Emery, Utah · implied b. ~1902 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	John S. Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	18
Marital Status	Single
Birthplace	Utah
Father's Birthplace	Utah
Mother's Birthplace	Utah
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

1930

Emery, Utah

Head, age 28

Emery, Utah · implied b. ~1902 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	John S Jr
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Utah
Age at First Marriage	22
Father's Birthplace	Utah
Mother's Birthplace	Utah
Occupation	Farmer
Industry	Live Stock
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	3000
Veteran	No
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

1940

Emery-County, Utah

Head, age 38

Emery-County, Utah · implied b. ~1902 — 5 household members

Surname	Lewis
Given Name	John S. Jr.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Utah
1935 Residence (City)	Emery Town
1935 Residence (County)	Emery
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	48
Income (1939)	1000
Highest Grade	Hs 2
1935 Residence	Same house
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Lewis

b. ~1862

Source father

● Household · direct · ~0.92

Mother

Eva Lewis

b. ~1881

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Lewis

Head · 1940 · age 38 · b. ~1902 · Utah

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

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

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04212-00869)

Line	Name	Age	Relation	Occupation	Birthplace
1	Val R. Mortensen	1	Son	—	Utah
2	H. Clifford Mortensen	29	Head	Trapper	Utah
3	Melva S. Mortensen	28	Wife	—	Utah
4	Clifford Lane Mortensen	10	Son	—	Utah
5	Shell W. Mortensen	9	Son	—	Utah
6	Marlow Mortensen	6	Daughter	—	Utah
7	Jaydon Lane Mortensen	5	Son	—	Utah
8	Arthur H. Broderick	32	Head	Surveyor	Utah
9	Ruth F. Broderick	24	Wife	—	Utah
10	George A. Anderson	36	Head	Manager	Utah
11	Cora F. Anderson	34	Wife	—	Utah
12	Jeannie Anderson	11	Daughter	—	Utah
13	Dean L. Anderson	5	Son	—	Utah
14	Afton P. Anderson	2	Son	—	Utah
15	John S. Jr. Lewis THIS PERSON	38	Head	Farmer	Utah
16	Hellen Lewis	36	Wife	—	Utah
17	Dawn Lewis	14	Daughter	—	Utah
18	Ruth Mae Lewis	13	Daughter	—	Utah
19	John Samuel Iii Lewis	9	Son	—	Utah
20	Coy H. Williams	37	Head	Farmer	Utah
21	Nellie Williams	36	Wife	—	Utah
22	Camma Rae Williams	6	Daughter	—	Utah
23	Vivian Williams	5	Daughter	—	Utah
24	Dixie Lea Williams	3	Daughter	—	Utah
25	Charles H. Williams	1	Son	—	Utah
26	Adolphus Clark	52	Head	Farmer	Arizona
27	Nell A. Clark	47	Wife	—	Utah
28	David A. Clark	24	Son	Loader	Utah
29	John W. Clark	21	Son	Truck Driver	Utah
30	Le Rae Clark	15	Daughter	—	Utah
31	Ginger A. Clark	11	Son	—	Utah
32	Claude A. Clark	7	Son	—	Utah
33	H. Grant Mortensen	42	Head	Barber	Utah
34	Maude May Mortensen	40	Wife	—	Utah
35	Lyle Grant Mortensen	16	Son	—	Utah
36	Rally G. Mortensen	13	Son	—	Utah
37	Beth Mortensen	11	Daughter	—	Utah
38	Walter G. Mortensen	10	Son	—	Utah
39	Elzo Gay Mortensen	9	Daughter	—	Utah
40	Tommy Lou Mortensen	6	Son	—	Utah

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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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