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Robert Larson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Ottawa-County, Kansas

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

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

1940 Census Record Details

Census Year1940
LocationOttawa-County, Kansas
SurnameLarson
Given NameRobert B.
Relationship to HeadSon
SexM
Color / RaceWhite
Age25
Marital StatusSingle
BirthplaceKansas
1935 Residence (City)Morton
1935 Residence (County)Ottawa
Additional Details
OccupationMetal worker
IndustryGarage
Class of WorkerOA
Hours Worked50
Income (1939)362
Highest GradeHs 4
1935 ResidenceSame place
Birth StateKansas
Birth CountryUnited States
Birthplace (normalized)kansas
OccupationMetal Worker
Township / WardMorton
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 Robert Age Birth yr
Ronald Larson Son — 22 ~1918
Neva Larson Spouse — 46 ~1894
Christian Larson Son — 24 ~1916
Ralph Larson Head — 49 ~1891
Dean Larson Son — 19 ~1921
Gertrude Larson Daughter — 18 ~1922
Robert Larson Son — 25 ~1915
Howard Larson Son — 11 ~1929

Census Appearances

1930
Ottawa, Kansas
Son, age 15
Ottawa, Kansas · implied b. ~1915 — 11 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Larson
Given Name Robert B.
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace Kansas
Father's Birthplace Kansas
Mother's Birthplace Kansas
Can Read/Write Yes
Birth State Kansas
Birth Country United States
Birthplace (normalized) kansas
1940
Ottawa-County, Kansas
Son, age 25
Ottawa-County, Kansas · implied b. ~1915 — 8 household members
Surname Larson
Given Name Robert B.
Relationship to Head Son
Sex M
Color / Race White
Age 25
Marital Status Single
Birthplace Kansas
1935 Residence (City) Morton
1935 Residence (County) Ottawa
Occupation Metal worker
Industry Garage
Class of Worker OA
Hours Worked 50
Income (1939) 362
Highest Grade Hs 4
1935 Residence Same place
Birth State Kansas
Birth Country United States
Birthplace (normalized) kansas

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 Robert Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Larson
Son · 1940 · age 25 · b. ~1915 · Kansas
★ You are viewing this record
Sibling
Howard Larson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Larson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Larson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christian Larson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Larson
Sibling · 1940 · age 22
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 — Ottawa-County, Kansas Open full size

Page Contents

35 people indexed on this census page (nara:1940:m-t0627-01251-00234)

Line Name Age Relation Occupation Birthplace
41 Shirley A. Burkhelson 8 Daughter — Kansas
42 Clinton W. Burkhelson 53 Head Farming Kansas
43 Alice S. Burkhelson 48 Wife — Michigan
44 Cleo B. Burkhelson 23 Daughter — Kansas
45 Everett G. Fields 29 Hired Man Laborer Kansas
46 Albert M. Peterson 39 Head Farming Kansas
47 Thelma A. Peterson 35 Wife — Kansas
48 Muriel E. Peterson 12 Daughter — Kansas
49 Marvin A. Peterson 4 Son — Kansas
50 Arnold J. Peterson 46 Head Farming Kansas
51 Rosa C. Peterson 40 Wife — Kansas
52 Lola M. Peterson 19 Daughter Housework Kansas
53 Arnold P. Peterson 14 Son — Kansas
54 Joseph W. Decker 47 Head Farming Kansas
55 Tresa F. Decker 39 Wife — Kansas
56 Pamela J. Decker 10 Daughter — Kansas
57 Everett K. Decker 8 Son — Kansas
58 Ralph B. Larson 49 Head Farming Kansas
59 Neva D. Larson 46 Wife — Kansas
60 Robert B. Larson THIS PERSON 25 Son Metal Worker Kansas
61 Christian R. Larson 24 Son Laborer Kansas
62 Ronald F. Larson 22 Son — Kansas
63 Dean D. Larson 19 Son Laborer Kansas
64 Gertrude P. Larson 18 Daughter — Kansas
65 Howard O. Larson 11 Son — Kansas
66 Raymond E. Eckert 58 Head Retired Farmer Kansas
67 Victor W. Fischer 56 Head Farming Iowa
68 Ruth A. Fischer 51 Wife — Indiana
69 Harold B. Fischer 26 Son Farming Kansas
70 Dorthy H. Fischer 15 Daughter — Kansas
71 Bert M. Smith 48 Head Farming Kansas
72 Austa B. Smith 54 Wife — Kansas
73 Dorthy M. Smith 22 Daughter Relief Operator Kansas
74 Leola M. Smith 17 Daughter — Kansas
75 Grace G. Smith 15 Daughter — 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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