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Alice Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Decatur-County, Iowa

Our Model Tree links this Alice Thompson across the 1930 and 1940 US Censuses in Decatur-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.

Age 15 b. ~1925 Female Daughter Born: Iowa Single

1940 Census Record Details

Census Year1940
LocationDecatur-County, Iowa
SurnameThompson
Given NameAlice
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceIowa
1935 Residence (City)Lamoni city
1935 Residence (County)Decatur
Additional Details
Highest GradeHs 1
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
Township / WardLamoni City
Est. Birth Year~1925

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 Alice Age Birth yr
Ethel Thompson Daughter — 23 ~1917
Alice Thompson Daughter — 15 ~1925
Margaret Thompson Daughter — 10 ~1930
John Thompson Head — 46 ~1894
Paul Thompson Son — 13 ~1927
John Thompson Son — 17 ~1923
Lynden Thompson Son — 7 ~1933
Richard Thompson Son — 5 ~1935
Alma Thompson Spouse — 44 ~1896

Census Appearances

1930
Decatur, Iowa
Daughter, age 5
Decatur, Iowa · implied b. ~1925 — 10 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thompson
Given Name Alice
Relationship to Head daughter
Sex F
Color / Race White
Age 5
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Missouri
Occupation none
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Decatur-County, Iowa
Daughter, age 15
Decatur-County, Iowa · implied b. ~1925 — 9 household members
Surname Thompson
Given Name Alice
Relationship to Head Daughter
Sex F
Color / Race White
Age 15
Marital Status Single
Birthplace Iowa
1935 Residence (City) Lamoni city
1935 Residence (County) Decatur
Highest Grade Hs 1
1935 Residence Same place
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.
Linked across censuses
Our Model Tree links Alice Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Thompson
Daughter · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Ethel Thompson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lynden Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Thompson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Thompson
Sibling · 1940 · age 10
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 — Decatur-County, Iowa Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01154-00590)

Line Name Age Relation Occupation Birthplace
1 Nellie P Turpin 48 Head Wpa Iowa
2 Harold Turpin 24 Son Wpa Iowa
3 Francis Turpin 25 Son Common Iowa
4 Fred Turpin 20 Son Laborer Missouri
5 Gladys Turpin 15 Daughter-in-law — Iowa
6 Joseph France 48 Head Salesman Missouri
7 Harriet O France 48 Wife — Ohio
8 Russell Waller 37 Head Truck Driver Iowa
9 Muriel Waller 34 Wife — Iowa
10 Eugene Waller 15 Son — Iowa
11 Lyndon Waller 10 Son — Iowa
12 Thomas Waller 6 Son — Iowa
13 Rex Waller 1 Son — Iowa
14 John Thompson 46 Head Trucker Iowa
15 Alma P Thompson 44 Wife — Missouri
16 Ethel Thompson 23 Daughter Teaching Minnesota
17 John D Thompson 17 Son — Iowa
18 Alice Thompson THIS PERSON 15 Daughter — Iowa
19 Paul Thompson 13 Son — Iowa
20 Margaret Thompson 10 Daughter — Iowa
21 Lynden Thompson 7 Son — Iowa
22 Richard Thompson 5 Son — Iowa
23 Stewart Wight 24 Head Clerk Iowa
24 Madine Wight 23 Wife — Idaho
25 Rena Ann Wight 0 Daughter — Iowa
26 Virginia Haas 14 Sister-in-law — Idaho
27 Carrie Weld 78 Head — Illinois
28 Iola Kaestner 37 Head Teacher Missouri
29 Joyce Kaestner 13 Daughter — Iowa
30 Ward Kaestner 9 Son — Iowa
31 Cora Alice Hicks 58 Mother — Iowa
32 Rosabelle Hicks 15 Sister — Missouri
33 John Reynard 41 Head Clothier Iowa
34 Rita Q Reynard 36 Wife — Iowa
35 Betty Ann Reynard 10 Daughter — Missouri
36 Marilyn Kay Reynard 6 Daughter — Iowa
37 Flora Scott 84 Head — Michigan
38 Forrest White 35 Head City Carrier Iowa
39 Pauline O White 33 Wife — 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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