Vernon Smith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Sac-County, Iowa

Our Model Tree links this Vernon Smith across the 1920, 1930 and 1940 US Censuses in Sac-County, Iowa (XGBoost, ~Confirmed), with identified parents H & Ida — first a head (b.~1910), then head of a 3-person household.

Age 30 b. ~1910 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Sac-County, Iowa
Surname	Smith
Given Name	Vernon
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	R.
1935 Residence (County)	Hancock
Additional Details
Occupation	Farmhand
Industry	Farm
Class of Worker	PW
Hours Worked	60
Income (1939)	400
Highest Grade	No 8
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmhand
Township / Ward	Wall Lake Twp
Est. Birth Year	~1910

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 Vernon	Age	Birth yr
Vernon Smith	Head	—	30	~1910
Sandra Smith	Daughter	—	1	~1939
Ruby Smith	Spouse	—	22	~1918

Census Appearances

1920

Sac, Iowa

Son, age 10

Sac, Iowa · implied b. ~1910 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Vernon A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Sweden
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Sac, Iowa

Son, age 20

Sac, Iowa · implied b. ~1910 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Vernon R.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	20
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Sweden
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Sac-County, Iowa

Head, age 30

Sac-County, Iowa · implied b. ~1910 — 3 household members

Surname	Smith
Given Name	Vernon
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	R.
1935 Residence (County)	Hancock
Occupation	Farmhand
Industry	Farm
Class of Worker	PW
Hours Worked	60
Income (1939)	400
Highest Grade	No 8
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

H Smith

b. ~1881

Source father

● Household · direct · ~0.92

Mother

Ida Smith

b. ~1884

Source mother

● Household · direct · ~0.92

This person

Anchor record

Vernon Smith

Head · 1940 · age 30 · b. ~1910 · Iowa

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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 — Sac-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01201-00872)

Line	Name	Age	Relation	Occupation	Birthplace
41	Linnig	47	Wife	—	Kentucky
42	Mary Katharine Linnig	15	Daughter	—	Iowa
43	Chas Linnig	16	Son	—	Iowa
44	Bernice Frances Linnig	14	Daughter	—	Iowa
45	Margaret Ann Linnig	11	Daughter	—	Iowa
46	John William Linnig	10	Son	—	Iowa
47	Edna Elizabeth Linnig	4	Daughter	—	Iowa
48	Theresa Linnig	1	Daughter	—	Iowa
49	Vernon Smith THIS PERSON	30	Head	Farmhand	Iowa
50	Ruby Smith	22	Wife	—	Iowa
51	Sandra Irene Smith	1	Daughter	—	Iowa
52	C. E. Deward	74	Head	Farming	Illinois
53	Emma Rose Deward	68	Wife	—	Illinois
54	Hans Jacobsen	47	Head	Farming	Illinois
55	Maggie Jacobsen	43	Wife	Teaching	Iowa
56	Francis Jacobsen	19	Daughter	Teaching	Iowa
57	N. D. Nelson	54	Head	Farming	Kentucky
58	Katie Nelson	48	Wife	—	Kentucky
59	H. Driemfold	40	Head	Farming	Iowa
60	Helen Driemfold	34	Wife	—	Iowa
61	Glen Driemfold	14	Son	—	Iowa
62	Elaine Driemfold	11	Daughter	—	Iowa
63	William Jr. Driemfold	9	Son	—	Iowa
64	Franklin Driemfold	7	Son	—	Iowa
65	Ruth Driemfold	5	Daughter	—	Iowa
66	John A. Barthman	48	Head	Farming	Iowa
67	Ida Barthman	41	Wife	—	Iowa
68	Harry L. Barthman	19	Son	Farmhand	Iowa
69	John Jacobsen	43	Head	Farming	Illinois
70	Emily Jacobsen	42	Wife	—	Iowa
71	Douglas Jacobsen	14	Son	—	Iowa
72	Donald Jacobsen	13	Son	—	Iowa
73	Kathryn Jacobsen	12	Daughter	—	Iowa
74	John Larson	72	Head	Farming	Sweden
75	Musetta Larson	64	Wife	—	Iowa
76	August Peters	55	Head	Farming	Iowa
77	Dora Peters	50	Wife	—	Iowa
78	Florence Peters	24	Daughter	—	Iowa
79	Clarence Peters	19	Son	—	Iowa
80	Ole Hoeg	48	Head	Farming	Illinois

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Pedigree Summary

Vernon

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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