John Lewis — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Summit-County, Utah

Our Model Tree links this John Lewis across the 1920, 1930 and 1940 US Censuses in Summit-County, Utah (XGBoost, ~Confirmed), with identified parents Daniel & Mary — first a head (b.~1912), then head of a 4-person household.

Age 28 b. ~1912 Male Head Born: Utah Married

1940 Census Record Details

Census Year	1940
Location	Summit-County, Utah
Surname	Lewis
Given Name	John G.
Relationship to Head	head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Utah
1935 Residence (City)	Kamas Town
1935 Residence (County)	Summit
Additional Details
Occupation	miner
Industry	mine
Class of Worker	PW
Hours Worked	40
Income (1939)	595
Highest Grade	H 4
1935 Residence	Same Place
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah
Occupation	Miner
Township / Ward	Kamas Town
Est. Birth Year	~1912

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 John	Age	Birth yr
John Lewis	Head	—	28	~1912
Farrell Brough	Other	—	15	~1925
Glenn Lewis	Son	—	1	~1939
Alice Lewis	Spouse	—	27	~1913

Census Appearances

1920

Summit, Utah

Son, age 8

Summit, Utah · implied b. ~1912 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	Utah
Father's Birthplace	Utah
Mother's Birthplace	Utah
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

1930

Summit, Utah

Son, age 18

Summit, Utah · implied b. ~1912 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lewis
Given Name	John H.
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/Write	Yes
Birth State	Utah
Birth Country	United States
Birthplace (normalized)	utah

1940

Summit-County, Utah

Head, age 28

Summit-County, Utah · implied b. ~1912 — 4 household members

Surname	Lewis
Given Name	John G.
Relationship to Head	head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Utah
1935 Residence (City)	Kamas Town
1935 Residence (County)	Summit
Occupation	miner
Industry	mine
Class of Worker	PW
Hours Worked	40
Income (1939)	595
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 John Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Lewis (~0.92 confidence) and mother Mary Lewis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Daniel Lewis

b. ~1864

Source father

● Household · direct · ~0.92

Mother

Mary Lewis

b. ~1867

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Lewis

Head · 1940 · age 28 · b. ~1912 · 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 — Summit-County, Utah Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04218-00095)

Line	Name	Age	Relation	Occupation	Birthplace
1	Harold	8	son	—	Utah
2	Beryl	6	daughter	—	Utah
3	George Padfield	22	head	Measuring (New)	Utah
4	Elaine Padfield	24	wife	—	Utah
5	Elwin O'Driscoll	27	head	Miner	Utah
6	Jean O'Driscoll	26	wife	—	Utah
7	John O'Driscoll	2	son	—	Utah
8	Charles Bowers	59	head	Laborer	Utah
9	Ellen Bowers	56	wife	—	Utah
10	Mary J. Parke	82	head	—	Illinois
11	David Parke	42	son	Farmer	Utah
12	Rulon Peterson	39	head	Teacher	Utah
13	Maurine Peterson	39	wife	—	Utah
14	George T. Williams	49	head	Postmaster	Wyoming
15	Fredrick Williams	12	son	—	Utah
16	Clifford Rutherford	33	head	Teacher	Utah
17	Elvira Rutherford	31	wife	—	Utah
18	Ross Rutherford	7	son	—	California
19	Carol Rutherford	4	daughter	—	Utah
20	Burke Rutherford	1	son	—	Utah
21	Infant Rutherford	0	daughter	—	Utah
22	Leone Moffitt	20	sister	—	Utah
23	Ellen Jones	29	lodger	Teacher	Colorado
24	Ruby Savage	22	lodger	Teacher	Utah
25	Lenard Abelson	28	head	Farmer	Utah
26	Elma Abelson	24	wife	—	Utah
27	Gail Abelson	0	son	—	Utah
28	Wallace Mitchell	33	head	Farmer	Utah
29	Margaret Mitchell	24	wife	—	Utah
30	Margery Mitchell	3	daughter	—	Utah
31	Jack W. Mitchell	0	son	—	Utah
32	Samuel Mitchell	72	head	Farmer	Switzerland
33	Rosina Mitchell	61	wife	—	Switzerland
34	John G. Lewis THIS PERSON	28	head	Miner	Utah
35	Alice Lewis	27	wife	—	Utah
36	Glenn Lewis	1	son	—	Utah
37	Farrell Brough	15	nephew	—	Utah
38	Isaac O'Driscoll	55	head	Laborer	Utah
39	Dora O'Driscoll	56	wife	—	Utah
40	Keith G. O'Driscoll	13	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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