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Mary Carpenter — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Chickasaw-County, Iowa

Our Model Tree links this Mary Carpenter across the 1930 and 1940 US Censuses in Chickasaw-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.

Age 11 b. ~1929 Female Daughter Born: Iowa Single

1940 Census Record Details

Census Year1940
LocationChickasaw-County, Iowa
SurnameCarpenter
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceIowa
1935 Residence (City)Fredericksburg Town
1935 Residence (County)Chickasaw
Additional Details
Highest GradeNo 5
1935 ResidenceSame place
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
Township / WardFredericksburg Town
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.

9 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Lois Carpenter Daughter — 5 ~1935
Blanche Carpenter Daughter — 2 ~1938
Mary Carpenter Daughter — 11 ~1929
Peter Carpenter Head — 43 ~1897
Harry Carpenter Son — ~1940
La Carpenter Son — 8 ~1932
Donald Carpenter Son — 12 ~1928
Kenneth Carpenter Son — 14 ~1926
Etta Carpenter Spouse — 36 ~1904

Census Appearances

1930
Chickasaw, Iowa
Daughter, age 1
Chickasaw, Iowa · implied b. ~1929 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Carpenter
Given Name Maxine M.
Relationship to Head Daughter
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Chickasaw-County, Iowa
Daughter, age 11
Chickasaw-County, Iowa · implied b. ~1929 — 9 household members
Surname Carpenter
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace Iowa
1935 Residence (City) Fredericksburg Town
1935 Residence (County) Chickasaw
Highest Grade No 5
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 Mary Carpenter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carpenter
Daughter · 1940 · age 11 · b. ~1929 · Iowa
★ You are viewing this record
Sibling
Kenneth Carpenter
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Carpenter
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Carpenter
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanche Carpenter
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
La Carpenter
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Carpenter
Sibling · 1940 · age
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 — Chickasaw-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01147-00819)

Line Name Age Relation Occupation Birthplace
1 Calvin F. Butcher 51 Head Interior Dec. Michigan
2 Martha E. Butcher 49 Wife — Iowa
3 Calvin L. Butcher 22 Son Station Service Iowa
4 Charles E. Butcher 21 Son Interior Decorator Iowa
5 Delores M. Butcher 15 Daughter — Iowa
6 Olive E. Butcher 10 Daughter — Iowa
7 Delmar D. Butcher 4 Son — Iowa
8 Harold L. Beaver 40 Head Miller Iowa
9 Gladys E. Beaver 42 Wife — Illinois
10 Evelyn A. Beaver 13 Daughter — Iowa
11 Beverly D. Beaver 9 Daughter — Iowa
12 Will C. Whitnobel 67 Head Caretaker Of Cemetery Iowa
13 Patience A. Whitnobel 64 Wife — Iowa
14 Harold H. Upham 37 Head Assistant Manager Iowa
15 Ella C. Upham 39 Wife — Minnesota
16 Kenneth H. Upham 17 Son — Iowa
17 Nellie J. Leibenstein 56 Head — Wisconsin
18 Doris R. Leibenstein 22 Daughter Saleswoman Wisconsin
19 John A. Leibenstein 20 Son Salesman Wisconsin
20 Lewis L. Spierling 79 Head — Pennsylvania
21 Effie M. Spierling 73 Wife — Iowa
22 Wesley L. Spierling 44 Son — Iowa
23 Howard D. Spierling 31 Son Farmhand Iowa
24 Peter H. Carpenter 43 Head — Iowa
25 Etta A. Carpenter 36 Wife — Iowa
26 Kenneth Carpenter 14 Son — Iowa
27 Donald Carpenter 12 Son — Iowa
28 Mary Carpenter THIS PERSON 11 Daughter — Iowa
29 La Verne Carpenter 8 Son — Iowa
30 Lois Mae Carpenter 5 Daughter — Iowa
31 Blanche Carpenter 2 Daughter — Iowa
32 Harry Carpenter 0 Son — Iowa
33 C. Earl Leach 47 Head Banker Iowa
34 Nina M. Leach 46 Wife — Iowa
35 Vivian E. Leach 15 Daughter — Iowa
36 William H. Trundy 59 Head — Iowa
37 Lillian Q. Trundy 57 Wife — Iowa
38 Otto M. Scholy 45 Head Road Builder Wisconsin
39 Eva Scholy 37 Wife — Wisconsin
40 Margaret H. Scholy 13 Daughter — Iowa

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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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