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Robert Curtis — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Robert Curtis across the 1930 and 1940 US Censuses in Hughes-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.

Age 14 b. ~1926 Male Son Born: South Dakota Single

1940 Census Record Details

Census Year1940
LocationHughes-County, South Dakota
SurnameCurtis
Given NameRobert
Relationship to HeadSon
SexM
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceSouth Dakota
1935 Residence (City)Valley Twp
1935 Residence (County)Hughes
Additional Details
Income (1939)0
Highest GradeNo 7
1935 ResidenceSame place
Birth StateSouth Dakota
Birth CountryUnited States
Birthplace (normalized)south dakota
Township / WardValley Twp
Est. Birth Year~1926

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 1940 census.

Name Relation to head Relative to Robert Age Birth yr
Francis Curtis Son — 19 ~1921
Clifford Curtis Son — 17 ~1923
Raymond Curtis Son — 8 ~1932
Adeline Vaskow Other — 21 ~1919
Betty Curtis Daughter — 11 ~1929
Anna Curtis Spouse — 44 ~1896
Claire Curtis Head — 50 ~1890
Robert Curtis Son — 14 ~1926
Geneva Curtis Daughter — 22 ~1918

Census Appearances

1930
Hughes, South …
Son, age 3
Hughes, South Dakota · implied b. ~1927 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Curtis
Given Name Robert C.
Relationship to Head Son
Sex M
Color / Race White
Age 3
Marital Status Single
Birthplace South Dakota
Father's Birthplace South Dakota
Mother's Birthplace Nebraska
Birth State South Dakota
Birth Country United States
Birthplace (normalized) south dakota
1940
Hughes-County, South …
Son, age 14
Hughes-County, South Dakota · implied b. ~1926 — 9 household members
Surname Curtis
Given Name Robert
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace South Dakota
1935 Residence (City) Valley Twp
1935 Residence (County) Hughes
Income (1939) 0
Highest Grade No 7
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 Robert Curtis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Curtis
Son · 1940 · age 14 · b. ~1926 · South Dakota
★ You are viewing this record
Sibling
Clifford Curtis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Curtis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Curtis
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Curtis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Curtis
Sibling · 1940 · age 8
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 — Hughes-County, South Dakota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03857-00901)

Line Name Age Relation Occupation Birthplace
1 Claire E Curtis 50 Head Farmer South Dakota
2 Anna O Curtis 44 Wife — Nebraska
3 Geneva Curtis 22 Daughter — South Dakota
4 Francis Curtis 19 Son — South Dakota
5 Clifford Curtis 17 Son Assistant In Library South Dakota
6 Robert Curtis THIS PERSON 14 Son — South Dakota
7 Betty Mae Curtis 11 Daughter — South Dakota
8 Raymond Curtis 8 Son — South Dakota
9 Adeline Vaskow 21 Lodger Teacher North Dakota
10 John Bourk 38 Head Farmer Nebraska
11 Mary O Bourk 28 Wife — Iowa
12 Lee Bourk 9 Son — South Dakota
13 Donald Bourk 7 Son — South Dakota
14 Joan Bourk 2 Daughter — South Dakota
15 Rose Mary Bourk 0 Daughter — South Dakota
16 Gertrude Clark 53 Head — North Dakota
17 Francis J Clark 26 Son Farmer Iowa
18 Evan J Clark 19 Son Farmer South Dakota
19 Gertrude M Clark 15 Daughter — South Dakota
20 W. Lester 11 Son — South Dakota
21 Oscar H Beals 66 Head Farmer Tennessee
22 Lester Beals 28 Son Farmer Iowa
23 Inez Beals 23 Daughter — Iowa
24 Louise Richards 21 Granddaughter — Iowa
25 Donna Lee Richards 0 Great granddaughter — South Dakota
26 Oscar E Payne 45 Head Farmer South Dakota
27 Georgia A Payne 37 Wife — Wisconsin
28 Carroll Payne 18 Son Janitor South Dakota
29 Katherine G Payne 17 Daughter — South Dakota
30 Ruth Marie Payne 15 Daughter — South Dakota
31 Ted Oscar Payne 7 Son — South Dakota
32 Mary Ann Payne 5 Daughter — South Dakota
33 Carl Stensen 37 Lodger Laborer Germany
34 Lee Arnold Wine 36 Head Farmer Nebraska
35 Hazel M Wine 30 Wife — Illinois
36 Elaine V Wine 10 Daughter — Nebraska
37 Shirley M Wine 7 Daughter — Nebraska
38 Kenneth Lee Wine 5 Son — Nebraska
39 Rita May Wine 0 Daughter — South Dakota
40 Ernest Stuart 34 Head Farmer Missouri

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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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