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Mary Kramer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this Mary Kramer across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.

Age 16 b. ~1924 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year1940
LocationHamilton-County, Ohio
SurnameKramer
Given NameMary A.
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceOhio
1935 Residence (City)Cincinnati
1935 Residence (County)Hamilton
Additional Details
Industry0
Highest GradeH-2
1935 ResidenceSame place
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
Township / WardCincinnati
Est. Birth Year~1924

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
Gladys Kramer Daughter — 24 ~1916
Alma Kramer Spouse — 42 ~1898
William Kramer Son — 18 ~1922
Mary Kramer Daughter — 16 ~1924
Albert Kramer Head — 46 ~1894
Albert Kramer Son — 19 ~1921
Celma Kramer Daughter — 23 ~1917
Ruth Kramer Daughter — 21 ~1919
Mary Engel Other — 73 ~1867

Census Appearances

1930
Hamilton, Ohio
Daughter, age 8
Hamilton, Ohio · implied b. ~1922 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Kramer
Given Name Mary A.
Relationship to Head Daughter
Sex F
Color / Race White
Age 8
Marital Status Single
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Can Read/Write Yes
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Hamilton-County, Ohio
Daughter, age 16
Hamilton-County, Ohio · implied b. ~1924 — 9 household members
Surname Kramer
Given Name Mary A.
Relationship to Head Daughter
Sex F
Color / Race White
Age 16
Marital Status Single
Birthplace Ohio
1935 Residence (City) Cincinnati
1935 Residence (County) Hamilton
Industry 0
Highest Grade H-2
1935 Residence Same place
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 Kramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kramer
Daughter · 1940 · age 16 · b. ~1924 · Ohio
★ You are viewing this record
Sibling
Albert Kramer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Kramer
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Celma Kramer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kramer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Kramer
Sibling · 1940 · age 21
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 — Hamilton-County, Ohio Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03201-00347)

Line Name Age Relation Occupation Birthplace
1 Leo Schweitzer 29 Son Automobile Mechanic Ohio
2 Joseph Schweitzer 22 Son Printer Ohio
3 Walter Schweitzer 21 Son Sheet Metal Worker Ohio
4 Rosemarie Schweitzer 17 Daughter — Ohio
5 Rillie Koch 54 Sister — Ohio
6 Joseph A. Kraezer 55 Head Boiler Maker Ohio
7 Emma H. Kraezer 53 Wife — Ohio
8 Frank Kraezer 29 Son Order Clerk Ohio
9 Mildred Kraezer 22 Daughter Practice Nurse Ohio
10 Albert Heber 47 Head Plumbing Inspector Ohio
11 Edna Heber 49 Wife — Ohio
12 Albert Anderson 34 Head Route Foreman Kentucky
13 Lillian Anderson 35 Wife — Ohio
14 Dolores Anderson 11 Daughter — Ohio
15 Albert Anderson 2 Son — Ohio
16 Robert Evans 21 Head Laborer Ohio
17 Bertha Evans 60 Mother — Ohio
18 Ralph Simpkins 34 Head Truck Driver And Salesman Ohio
19 Violet Simpkins 30 Wife — Ohio
20 Janet Simpkins 10 Daughter — Ohio
21 Charlene Simpkins 2 Daughter — Ohio
22 Irma Joachim 34 Head General Worker Ohio
23 Shirley Joachim 12 Daughter — Ohio
24 Albert J. Kramer 46 Head Supervisor Of Depot Ohio
25 Alma S. Kramer 42 Wife — Ohio
26 Gladys P. Kramer 24 Daughter Cashier Ohio
27 Celma M. Kramer 23 Daughter Power Machine Sewer Maker Ohio
28 Ruth C. Kramer 21 Daughter Saleslady Ohio
29 Albert J. Kramer 19 Son — Ohio
30 William V. Kramer 18 Son — Ohio
31 Mary A. Kramer THIS PERSON 16 Daughter — Ohio
32 Mary Engel 73 Mother in law — Ohio
33 Charles E. Bels 42 Head Paper Box Maker Ohio
34 Johanna Bels 44 Wife — Ohio
35 Helen Smith 22 Daughter Secretary Ohio
36 Luella Bels 13 Daughter — Ohio
37 Harold Bels 5 Son — Ohio
38 William Cooper 28 Head Truck Driver Kentucky
39 Marie Cooper 26 Wife — 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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