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Mary Case — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Madison-County, Indiana

Our Model Tree links this Mary Case across the 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.

Age 18 b. ~1922 Female Daughter Born: Indiana Single

1940 Census Record Details

Census Year1940
LocationMadison-County, Indiana
SurnameCase
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age18
Marital StatusSingle
BirthplaceIndiana
1935 Residence (City)Anderson
1935 Residence (County)Madison
Additional Details
OccupationAssembly
IndustryAutomotive Parts Mfg Co
Class of WorkerPW
Hours Worked10
Income (1939)200
Highest GradeHs 4
1935 ResidenceSame house
Birth StateIndiana
Birth CountryUnited States
Birthplace (normalized)indiana
OccupationAssembly
Township / WardAnderson
Est. Birth Year~1922

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 Mary Age Birth yr
William Smith Head — 46 ~1894
William Case Son — 16 ~1924
Oren Case Other — 45 ~1895
Ettia Smith Spouse — 46 ~1894
Gerald Case Son — 14 ~1926
Kenneth Case Son — 20 ~1920
Catherine Case Daughter — 9 ~1931
Mary Case Daughter — 18 ~1922
Harold Case Son — 14 ~1926

Census Appearances

1930
Hancock, Indiana
Daughter, age 8
Hancock, Indiana · implied b. ~1922 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Case
Given Name Mary E
Relationship to Head Daughter
Sex F
Color / Race White
Age 8
Marital Status Single
Birthplace Indiana
Father's Birthplace Indiana
Mother's Birthplace Indiana
Occupation none
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana
1940
Madison-County, Indiana
Daughter, age 18
Madison-County, Indiana · implied b. ~1922 — 9 household members
Surname Case
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 18
Marital Status Single
Birthplace Indiana
1935 Residence (City) Anderson
1935 Residence (County) Madison
Occupation Assembly
Industry Automotive Parts Mfg Co
Class of Worker PW
Hours Worked 10
Income (1939) 200
Highest Grade Hs 4
1935 Residence Same house
Birth State Indiana
Birth Country United States
Birthplace (normalized) indiana

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 Mary Case across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Case
Daughter · 1940 · age 18 · b. ~1922 · Indiana
★ You are viewing this record
Sibling
Gerald Case
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Case
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Case
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Case
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Case
Sibling · 1940 · age 20
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 — Madison-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01072-01074)

Line Name Age Relation Occupation Birthplace
41 Charles E Ritchie 31 Head Presser Indiana
42 Julia Ritchie 27 Wife Nurse Indiana
43 James L West 23 Head Trucker Indiana
44 Bertha West 19 Wife — Illinois
45 Robert West 0 Son — Indiana
46 Dale W Riley 52 Head Moulder Indiana
47 Retta Riley 42 Wife — Indiana
48 Mary L Johnson 12 Niece — Indiana
49 William Smith 46 Head Labor Indiana
50 Ettia Smith 46 Wife Production Ohio
51 Oren Case 45 Father-in-law Paper Hanger Indiana
52 Kenneth Case 20 Son Clerk Indiana
53 Mary Case THIS PERSON 18 Daughter Assembly Indiana
54 William Case 16 Son — Indiana
55 Harold Case 14 Son — Indiana
56 Gerald Case 14 Son — Indiana
57 Catherine Case 9 Daughter — Indiana
58 Mary A Corbett 65 Head — Germany
59 Mary E Corbett 25 Daughter Clerk Indiana
60 Edward D Hoover 59 Head Salesman Ohio
61 Ethel Hoover 59 Wife Piano Teacher Iowa
62 Theodore Sanders 44 Head Assembler Indiana
63 Lulu Sanders 42 Wife — Indiana
64 Paul Sanders 19 Son Production Indiana
65 Doris Sanders 16 Daughter — Indiana
66 Ruth Sanders 15 Daughter — Indiana
67 Donald Sanders 11 Son — Indiana
68 Mary Sanders 7 Daughter — Indiana
69 Jeanne Sanders 2 Daughter — Indiana
70 James M Hollingsworth 23 Head Machine Operator Indiana
71 Jessie E Hollingsworth 20 Wife Assembly Line Indiana
72 Melvin Harless 21 Head — Ohio
73 Sara Harless 17 Wife Domestic Indiana
74 William J Lawrence 51 Head Tool Maker Indiana
75 Ethel M Lawrence 51 Wife — Kansas
76 Virgil Wilson 36 Head Buffer Indiana
77 Mildred Wilson 31 Wife — Indiana
78 Verlin Wilson 12 Son — Indiana
79 Thomas J Thompson 41 Head Engineer Indiana
80 Mary Thompson 28 Wife Production Indiana

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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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