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Ruth Larson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Campbell-County, South Dakota

Our Model Tree links this Ruth Larson across the 1930 and 1940 US Censuses in Campbell-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 8-person household.

Age 38 b. ~1902 Female Spouse Born: South Dakota Married

1940 Census Record Details

Census Year1940
LocationCampbell-County, South Dakota
SurnameLarson
Given NameRuth
Relationship to HeadWife
SexF
Color / RaceWhite
Age38
Marital StatusMarried
BirthplaceSouth Dakota
1935 Residence (City)Township 125 R 77
1935 Residence (County)Campbell
Additional Details
Highest GradeNo 9
1935 ResidenceSouth Dakota
Birth StateSouth Dakota
Birth CountryUnited States
Birthplace (normalized)south dakota
Township / WardTownship 125 R 77
Est. Birth Year~1902

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 Ruth Age Birth yr
Beatrice Larson Daughter — 9 ~1931
Lois Larson Daughter — 7 ~1933
Helen Larson Daughter — 14 ~1926
Bernice Larson Daughter — 9 ~1931
James Larson Son — 10 ~1930
Eddie Larson Head — 45 ~1895
Ruth Larson Spouse — 38 ~1902
Janet Larson Daughter — 12 ~1928

Census Appearances

1930
Campbell, South …
Spouse, age 29
Campbell, South Dakota · implied b. ~1901 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Larson
Given Name Ruth
Relationship to Head Wife
Sex F
Color / Race White
Age 29
Marital Status Married
Birthplace South Dakota
Age at First Marriage 22
Father's Birthplace Michigan
Mother's Birthplace Norway
Can Read/Write Yes
Veteran No
Birth State South Dakota
Birth Country United States
Birthplace (normalized) south dakota
1940
Campbell-County, South …
Spouse, age 38
Campbell-County, South Dakota · implied b. ~1902 — 8 household members
Surname Larson
Given Name Ruth
Relationship to Head Wife
Sex F
Color / Race White
Age 38
Marital Status Married
Birthplace South Dakota
1935 Residence (City) Township 125 R 77
1935 Residence (County) Campbell
Highest Grade No 9
1935 Residence South Dakota
Birth State South Dakota
Birth Country United States
Birthplace (normalized) south dakota

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 Ruth Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Larson
Spouse · 1940 · age 38 · b. ~1902 · South Dakota
★ 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 — Campbell-County, South Dakota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03850-00530)

Line Name Age Relation Occupation Birthplace
1 Melvin E. Riesche 41 Head Farming South Dakota
2 Elfrieda W. Riesche 35 Wife — Wisconsin
3 Betty Ann Riesche 14 Daughter — South Dakota
4 Louise A. Riesche 12 Daughter — South Dakota
5 Bertha May Riesche 10 Daughter — South Dakota
6 Darlene G. Riesche 6 Daughter — South Dakota
7 Lavonne G. Riesche 4 Daughter — South Dakota
8 Dennis S. Riesche 2 Son — South Dakota
9 Eddie G. Larson 45 Head Farming South Dakota
10 Ruth Larson THIS PERSON 38 Wife — South Dakota
11 Helen L. Larson 14 Daughter — South Dakota
12 Janet E. Larson 12 Daughter — South Dakota
13 James E. Larson 10 Son — South Dakota
14 Bernice M. Larson 9 Daughter — South Dakota
15 Beatrice J. Larson 9 Daughter — South Dakota
16 Lois M. Larson 7 Daughter — South Dakota
17 Neil E. Nelson 42 Head Farming South Dakota
18 Marie E. Nelson 42 Wife — South Dakota
19 Donald E. Nelson 19 Son — South Dakota
20 Harlo A. Nelson 17 Son — South Dakota
21 Junior N. Nelson 16 Son — South Dakota
22 William H. Neumiller 30 Head Farming North Dakota
23 Katie Neumiller 29 Wife — North Dakota
24 Melvin W. Neumiller 4 Son — South Dakota
25 Nadine J. Neumiller 1 Daughter — South Dakota
26 Henry Duffer 47 Head Farming South Dakota
27 Maggie Duffer 46 Wife — South Dakota
28 Hilmer H. Duffer 23 Son — South Dakota
29 Alfa E. Duffer 20 Daughter — South Dakota
30 Irvin E. Duffer 17 Son — South Dakota
31 Alvin R. Martel 26 Head Farming North Dakota
32 Ella Martel 27 Wife — South Dakota
33 Oscar W. Bracal 37 Head Farming South Dakota
34 Beulah E. Bracal 30 Wife — North Dakota
35 Oscar D. Bracal 7 Son — South Dakota
36 Darlene J. Bracal 4 Daughter — South Dakota
37 Delbert L. Bracal 3 Son — South Dakota
38 Russell M. Stalker 31 Head Farming Nebraska
39 Francis T. Stalker 26 Wife — South Dakota
40 Marion D. Stalker 4 Son — South Dakota

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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