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Warren Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Iowa

Our Model Tree links this Warren Smith across the 1930 and 1940 US Censuses in Hamilton-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.

Age 25 b. ~1915 Male Son Born: Iowa Single

1940 Census Record Details

Census Year1940
LocationHamilton-County, Iowa
SurnameSmith
Given NameWarren
Relationship to HeadSon
SexM
Color / RaceWhite
Age25
Marital StatusSingle
BirthplaceIowa
1935 Residence (City)Kamrar
1935 Residence (County)Hamilton
Additional Details
OccupationLaborer
IndustryFarm
Class of WorkerPW
Income (1939)250
Highest GradeNo 8
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationLaborer
Township / WardKamrar
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.

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

Name Relation to head Relative to Warren Age Birth yr
Edna Smith Daughter — 12 ~1928
Arlene Smith Daughter — 8 ~1932
Lela Smith Daughter — 16 ~1924
Lucille Smith Daughter — 14 ~1926
Louis Smith Head — 61 ~1879
Clifford Smith Son — 18 ~1922
Warren Smith Son — 25 ~1915
Dina Smith Spouse — 54 ~1886

Census Appearances

1930
Hamilton, Iowa
Son, age 15
Hamilton, Iowa · implied b. ~1915 — 13 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Warren
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read/Write Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Hamilton-County, Iowa
Son, age 25
Hamilton-County, Iowa · implied b. ~1915 — 8 household members
Surname Smith
Given Name Warren
Relationship to Head Son
Sex M
Color / Race White
Age 25
Marital Status Single
Birthplace Iowa
1935 Residence (City) Kamrar
1935 Residence (County) Hamilton
Occupation Laborer
Industry Farm
Class of Worker PW
Income (1939) 250
Highest Grade No 8
1935 Residence Same place
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa

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.
Linked across censuses
Our Model Tree links Warren Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Warren Smith
Son · 1940 · age 25 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Edna Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlene Smith
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Hamilton-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01164-00349)

Line Name Age Relation Occupation Birthplace
41 Clare E. Leffert 62 Head Laborer Iowa
42 Ina C. Leffert 49 Wife — England
43 Joseph F. Leffert 13 Son — Iowa
44 Wilson Smith 34 Head Carpenter Iowa
45 Merle Smith 30 Wife — Iowa
46 Beverly Smith 5 Daughter — Iowa
47 Maryla Smith 3 Daughter — Iowa
48 Lynn Berryhill 32 Head Foreman Iowa
49 Vendetta Berryhill 25 Wife — Iowa
50 John Heusinger 86 Head — Germany
51 Louis G. Smith 61 Head Foreman Iowa
52 Dina Smith 54 Wife — Iowa
53 Warren Smith THIS PERSON 25 Son Laborer Iowa
54 Clifford Smith 18 Son Laborer Iowa
55 Lela Smith 16 Daughter — Iowa
56 Lucille Smith 14 Daughter — Iowa
57 Edna Smith 12 Daughter — Iowa
58 Arlene Smith 8 Daughter — Iowa
59 Maggie Wessel 81 Head — Germany
60 Henry V. Christeson 38 Son Laborer Iowa
61 Anna Christeson 32 Daughter-in-law — Iowa
62 John Christeson 3 Grandson — Iowa
63 James A. Greenfield 33 Head Apprentice Iowa
64 Janette Greenfield 28 Wife — Iowa
65 Wanda Greenfield 8 Daughter — Iowa
66 Esther Greenfield 5 Daughter — Iowa
67 Ernest Brinkema 49 Head Laborer Iowa
68 Rose Brinkema 48 Wife — Iowa
69 Ernest Brinkema 15 Son — Iowa
70 Bessy Brinkema 12 Daughter — Iowa
71 Juvenal Brinkema 9 Son — Iowa
72 Grace Heller 74 Head — Germany
73 Theodora Arnold 80 Head — Missouri
74 Earl Lubba 30 Head Teacher Iowa
75 Harrietta Lubba 29 Wife Teacher Iowa
76 Harvey Hendricks 32 Head Painter Iowa
77 Lucille Hendricks 23 Wife — Missouri
78 Harralyn Hendricks 2 Daughter — Iowa
79 Walter Gerber 32 Head Mechanic Iowa
80 Ruth Dorothy Gerber 28 Wife — Kansas

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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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