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Frank Smith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Webster-County, Iowa

Our Model Tree links this Frank Smith across the 1920, 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed), with identified parents Lee & Lee — first a head (b.~1911), then head of a 4-person household.

Age 29 b. ~1911 Male Head Born: Iowa Married

1940 Census Record Details

Census Year1940
LocationWebster-County, Iowa
SurnameSmith
Given NameFrank
Relationship to HeadHead
SexM
Color / RaceWhite
Age29
Marital StatusMarried
BirthplaceIowa
1935 Residence (City)R
1935 Residence (County)Webster
Additional Details
OccupationFarm Laborer
IndustryFarm
Class of WorkerPW
Income (1939)250
Highest GradeH-1
1935 ResidenceIowa
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationFarm Laborer
Township / WardWebster Township
Est. Birth Year~1911

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 Frank Age Birth yr
Virginia Smith Daughter — 5 ~1935
Frank Smith Head — 29 ~1911
Donald Smith Son — ~1940
Vivian Smith Spouse — 29 ~1911

Census Appearances

1920
Webster, Iowa
Son, age 9
Webster, Iowa · implied b. ~1911 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Frank
Relationship to Head Son
Sex M
Color / Race White
Age 9
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Speaks English Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1930
Webster, Iowa
Son, age 19
Webster, Iowa · implied b. ~1911 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Smith
Given Name Frank
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Occupation Laborer
Industry General Farm
Class of Worker W
Can Read/Write Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Webster-County, Iowa
Head, age 29
Webster-County, Iowa · implied b. ~1911 — 4 household members
Surname Smith
Given Name Frank
Relationship to Head Head
Sex M
Color / Race White
Age 29
Marital Status Married
Birthplace Iowa
1935 Residence (City) R
1935 Residence (County) Webster
Occupation Farm Laborer
Industry Farm
Class of Worker PW
Income (1939) 250
Highest Grade H-1
1935 Residence Iowa
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.
Model Tree available
Our Model Tree links Frank Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lee Smith (~0.92 confidence) and father Lee Smith (~0.92 confidence) and mother Zella Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Lee Smith
b. ~1886
Source father
● Household · direct · ~0.92
Father
Lee Smith
b. ~1869
Source father
● Household · direct · ~0.92
Mother
Zella Smith
b. ~1888
Source mother
● Household · direct · ~0.92
This person
Anchor record
Frank Smith
Head · 1940 · age 29 · b. ~1911 · Iowa
★ 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 — Webster-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01212-00539)

Line Name Age Relation Occupation Birthplace
41 Ellen Murphy 21 Daughter — Iowa
42 Margaret Fisher 5 Granddaughter — Iowa
43 Loda Kaiser 30 Head — Illinois
44 Herbert Kaiser 14 Son — Iowa
45 Archie Kaiser 13 Son — Iowa
46 Thelma Kaiser 10 Daughter — Iowa
47 Gerald Kaiser 8 Son — Iowa
48 Carol Kaiser 8 Daughter — Iowa
49 Samuel Kaiser 72 Father-in-law — Illinois
50 Roy Herrick 47 Head Miner Iowa
51 Mabel Herrick 29 Wife — Iowa
52 Eugene Herrick 4 Son — Iowa
53 Donald Herrick 2 Son — Iowa
54 William Herrick 0 Son — Iowa
55 James Lunn 37 Head Boiler Fireman Iowa
56 Blanche Lunn 33 Wife — Iowa
57 Robert Lunn 15 Son — Iowa
58 Donald Lunn 13 Son — Iowa
59 Richard Lunn 10 Son — Iowa
60 Windle Lunn 8 Son — Iowa
61 Shelton Smith 30 Head Truck Driver Kentucky
62 Katharine Smith 27 Wife — Iowa
63 Roger Smith 4 Son — Iowa
64 Samuel Smith 2 Son — Iowa
65 James Smith 0 Son — Iowa
66 Elmer Daniels 58 Head Farmer Iowa
67 Nora Daniels 52 Wife — Minnesota
68 Charles Daniels 25 Son Attendant Iowa
69 ? Best None Head — —
70 Fritz Lundberg 70 Head Carpenter Sweden
71 Clara Lundberg 60 Wife — Illinois
72 Alvie Lundberg 44 Son Carpenter Illinois
73 Frank Smith THIS PERSON 29 Head Farm Laborer Iowa
74 Vivian Smith 29 Wife — Iowa
75 Virginia Smith 5 Daughter — Iowa
76 Donald Lee Smith 0 Son — Iowa
77 Clarence Anderson 47 Head Laborer Iowa
78 Helen Anderson 41 Wife Waitress Iowa
79 Ira Smith 63 Head Farmer Iowa
80 Nettie Smith 64 Wife — Wisconsin

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Pedigree Summary

Frank
Gen 1 · 3 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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