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Theodore Johnson — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Pocahontas, Iowa

Our Model Tree links this Theodore Johnson across the 1920, 1930 and 1940 US Censuses in Pocahontas, Iowa (XGBoost, ~Confirmed), with identified parents Emma & Emma — first a son (b.~1912), then head of a 9-person household.

Age 18 b. ~1912 Male Son Born: Iowa Single

1930 Census Record Details

Census Year1930
LocationPocahontas, Iowa
SurnameJohnson
Given NameTheodore
Relationship to HeadSon
SexM
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceIowa
Father's BirthplaceIllinois
Mother's BirthplaceIowa
Additional Details
OccupationLaborer
IndustryGeneral Farm
Class of WorkerW
Can Read/WriteYes
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
OccupationLaborer
Township / WardColfax Township
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.

9 people recorded at the same address in the 1930 census.

Name Relation to head Relative to Theodore Age Birth yr
Fern Johnson Daughter — 8 ~1922
Juanita Johnson Daughter — 16 ~1914
Vivian Johnson Daughter — 14 ~1916
Lois Johnson Daughter — 5 ~1925
Helen Johnson Daughter — 12 ~1918
Gladys Johnson Daughter — 20 ~1910
Arthur Johnson Head — 49 ~1881
Theodore Johnson Son — 18 ~1912
Emma Johnson Spouse — 50 ~1880

Census Appearances

1920
Pocahontas, Iowa
Son, age 8
Pocahontas, Iowa · implied b. ~1912 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Johnson
Given Name Theodore W
Relationship to Head Son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace Iowa
Father's Birthplace Illinois
Mother's Birthplace Iowa
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1930
Pocahontas, Iowa
Son, age 18
Pocahontas, Iowa · implied b. ~1912 — 9 household members
Surname Johnson
Given Name Theodore
Relationship to Head Son
Sex M
Color / Race White
Age 18
Marital Status Single
Birthplace Iowa
Father's Birthplace Illinois
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
Pocahontas-County, Iowa
Head, age 28
Pocahontas-County, Iowa · implied b. ~1912 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Johnson
Given Name Ted W.
Relationship to Head Head
Sex M
Color / Race White
Age 28
Marital Status Married
Birthplace Iowa
1935 Residence (City) Pocahontas
1935 Residence (County) Pocahontas
Occupation Farming
Industry Farm
Class of Worker OA
Hours Worked 45
Income (1939) 0
Highest Grade 8
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 Theodore Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and father Arthur Johnson (~0.92 confidence) and father Arthur Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Mother
Emma Johnson
b. ~1880
Source mother
● Household · direct · ~0.92
Mother
Emma Johnson
b. ~1880
Source mother
● Household · direct · ~0.92
Father
Arthur Johnson
b. ~1881
Source father
● Household · direct · ~0.92
Father
Arthur Johnson
b. ~1881
Source father
● Household · direct · ~0.92
This person
Anchor record
Theodore Johnson
Son · 1930 · age 18 · b. ~1912 · Iowa
★ You are viewing this record
Sibling
Fern Johnson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Johnson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Johnson
Sibling · 1930 · age 14
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

1930 US Federal Census — Pocahontas, Iowa Open full size

Page Contents

50 people indexed on this census page (ia:1930:iowacensus00reel673:0119)

Line Name Age Relation Occupation Birthplace
1 Harry C. Passow 35 Head Farmer Ohio
2 Emma H. Passow 27 Wife — Iowa
3 Marcella Passow 5 Daughter — Iowa
4 Louis Passow 3 Son — Iowa
5 Dorothy Passow 2 Daughter — Iowa
6 Elsie Passow 1 Daughter — Iowa
7 Betty Passow 12 Niece — Minnesota
8 Arthur Holander 46 Head Farmer Sweden
9 Josephine Holander 45 Wife — Iowa
10 Ruth Holander 18 Daughter — Iowa
11 Norman Holander 15 Son Laborer Iowa
12 Herbert Holander 5 Son — Iowa
13 Ambrose Murphy 38 Head Farmer Iowa
14 Arabella Murphy 40 Wife — New York
15 Mary Lou Murphy 13 Daughter — Iowa
16 Madeline Murphy 3 Daughter — Iowa
17 Jim Murphy 45 Head Farmer Iowa
18 Hazel Murphy 33 Wife — Iowa
19 James Jr. Murphy 5 Son — Iowa
20 Doris Murphy 3 Daughter — Iowa
21 Edward Svalin 31 Head Farmer Iowa
22 Esther L. Svalin 24 Wife — Minnesota
23 Marlyn L. Svalin 1 Son — Iowa
24 Andrew Edgren 63 Father-in-law — Sweden
25 Gilbert Johnson 48 Head Farmer Iowa
26 Ida Johnson 42 Wife — Iowa
27 Ruth M. Johnson 21 Daughter — Iowa
28 Florence Johnson 18 Daughter — Iowa
29 Amanda Johnson 80 Mother — Sweden
30 Arthur Johnson 49 Head Farmer Illinois
31 Emma Johnson 50 Wife — Iowa
32 Gladys Johnson 20 Daughter — Iowa
33 Theodore Johnson THIS PERSON 18 Son Laborer Iowa
34 Juanita Johnson 16 Daughter — Iowa
35 Vivian Johnson 14 Daughter — Iowa
36 Helen Johnson 12 Daughter — Iowa
37 Fern Johnson 8 Daughter — Iowa
38 Lois Johnson 5 Daughter — Iowa
39 Alfred Johnson 42 Head Farmer Iowa
40 Ida L. Johnson 49 Wife — Iowa
41 Melvin Johnson 23 Son Laborer Iowa
42 Alice Johnson 18 Daughter Laborer Iowa
43 Mildred Johnson 16 Daughter — Iowa
44 Willard Johnson 14 Son — Iowa
45 Lucilla Johnson 12 Daughter — Iowa
46 Arnold Johnson 9 Son — Iowa
47 Raymond Jr. Johnson 5 Son — Iowa
48 Nels Dalquist 54 Head Farmer Iowa
49 Sophie Dalquist 50 Wife — Iowa
50 Mabel L. Dalquist 14 Daughter — Iowa

Search for Theodore Johnson

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Pedigree Summary

Theodore + 6 siblings
Gen 1 · 4 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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