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Alma Nelson — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Alma Nelson across the 1930 and 1940 US Censuses in Haakon-County, South Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.

Age 11 b. ~1929 Female Daughter Born: South Dakota Single

1940 Census Record Details

Census Year1940
LocationHaakon-County, South Dakota
SurnameNelson
Given NameAlma N.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceSouth Dakota
1935 Residence (City)Pleasant View township
1935 Residence (County)Haakon
Additional Details
Industry0
Class of Worker0
Highest Grade6
1935 ResidenceSame place
Birth StateSouth Dakota
Birth CountryUnited States
Birthplace (normalized)south dakota
Township / WardPleasant View Township
Est. Birth Year~1929

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 Alma Age Birth yr
Edna Nelson Spouse — 39 ~1901
Clayton Nelson Son — 15 ~1925
Arline Nelson Daughter — 17 ~1923
Oliver Nelson Head — 46 ~1894
Olaf Nelson Son — 8 ~1932
Roald Nelson Son — 13 ~1927
Rupert Nelson Son — 19 ~1921
Alma Nelson Daughter — 11 ~1929

Census Appearances

1930
Haakon, South …
Other, age 1
Haakon, South Dakota · implied b. ~1929 — 50 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Nelson
Given Name Alma
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace South Dakota
Father's Birthplace South Dakota
Mother's Birthplace Iowa
Birth State South Dakota
Birth Country United States
Birthplace (normalized) south dakota
1940
Haakon-County, South …
Daughter, age 11
Haakon-County, South Dakota · implied b. ~1929 — 8 household members
Surname Nelson
Given Name Alma N.
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace South Dakota
1935 Residence (City) Pleasant View township
1935 Residence (County) Haakon
Industry 0
Class of Worker 0
Highest Grade 6
1935 Residence Same place
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 Alma Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alma Nelson
Daughter · 1940 · age 11 · b. ~1929 · South Dakota
★ You are viewing this record
Sibling
Clayton Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arline Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roald Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olaf Nelson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rupert Nelson
Sibling · 1940 · age 19
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 — Haakon-County, South Dakota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03856-00772)

Line Name Age Relation Occupation Birthplace
1 George C. Butler 70 Head — Iowa
2 Olaf C. Kristenson 39 Hired hand Labor Wisconsin
3 Annaline Kristenson 20 Wife — Germany
4 Herman Stahl 54 Head Farming Germany
5 Elizabeth Stahl 58 Wife — Germany
6 Walter Stahl 21 Son Farming South Dakota
7 Charles Stahl 19 Son Farming South Dakota
8 Anna Stahl 16 Daughter — South Dakota
9 William Stall 59 Head Farming Germany
10 Anna Stall 47 Wife — Germany
11 Mary A. Stall 13 Daughter — South Dakota
12 Lena Stall 10 Daughter — South Dakota
13 William Schwan 72 Head Farming Iowa
14 Dora Schwan 70 Wife — Iowa
15 Clarence A. Hansen 38 Head Farming Iowa
16 Eleanor Hansen 32 Wife — South Dakota
17 Oliver M. Nelson 46 Head Farming South Dakota
18 Edna F. Nelson 39 Wife — Iowa
19 Rupert H. Nelson 19 Son — South Dakota
20 Arline M. Nelson 17 Daughter — South Dakota
21 Clayton W. Nelson 15 Son — South Dakota
22 Roald Nelson 13 Son — South Dakota
23 Alma N. Nelson THIS PERSON 11 Daughter — South Dakota
24 Olaf Nelson 8 Son — South Dakota
25 Joseph C. Hansen 35 Head Farming South Dakota
26 Marie L. Hansen 34 Wife — South Dakota
27 Percy L. Hansen 8 Son — South Dakota
28 Hazel E. Hansen 6 Daughter — South Dakota
29 Robert J. Hansen 4 Son — South Dakota
30 Rose M. Hansen 1 Daughter — South Dakota
31 George S. Williams 51 Head Farming Nebraska
32 Catherine E. Williams 53 Wife — Iowa
33 George S. Jr. Williams 17 Son — South Dakota
34 Rose K. Williams 15 Daughter — South Dakota
35 William H. Wetzel 81 Father-in-law — Illinois
36 Lawrence C. Paulsen 64 Head Farming Denmark
37 Arthur L. Peterson 35 Head Farming Minnesota
38 Emma M. Peterson 35 Wife — South Dakota
39 Anna Peterson 70 Mother — Norway
40 Martha E. Hoveland 69 Head — Norway

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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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