Mary Klein — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Bronx-County, New York

Our Model Tree links this Mary Klein across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.

Age 48 b. ~1892 Female Spouse Born: Austria Married

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Klein
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Austria
1935 Residence (City)	N.Y.C.
1935 Residence (County)	Bronx
Naturalization Status	Naturalized
Additional Details
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Austria
Birthplace (normalized)	austria
Township / Ward	Nyc
Est. Birth Year	~1892

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
John Klein	Son	—	27	~1913
Mary Klein	Spouse	—	48	~1892
John Klein	Head	—	53	~1887

Census Appearances

1920

Bronx, New …

Spouse, age 27

Bronx, New York · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Klein
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Austria
Year of Immigration	1909
Naturalization Status	Alien
Father's Birthplace	Austria
Mother's Birthplace	Austria
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth Country	Austria
Birthplace (normalized)	austria

1930

Bronx, New …

Spouse, age 38

Bronx, New York · implied b. ~1892 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Klein
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Austria
Naturalization Status	Alien
Year of Immigration	1902
Age at First Marriage	20
Father's Birthplace	Austria
Mother's Birthplace	Austria
Can Read/Write	Yes
Mother Tongue	German
Birth Country	Austria
Birthplace (normalized)	austria

1940

Bronx-County, New …

Spouse, age 48

Bronx-County, New York · implied b. ~1892 — 3 household members

Surname	Klein
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Austria
1935 Residence (City)	N.Y.C.
1935 Residence (County)	Bronx
Naturalization Status	Naturalized
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Austria
Birthplace (normalized)	austria

Model Tree

Linked across censuses

Our Model Tree links Mary Klein across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Klein

Spouse · 1940 · age 48 · b. ~1892 · New York

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Bronx-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02486-00436)

Line	Name	Age	Relation	Occupation	Birthplace
1	Virginia Nilsen	15	Daughter	—	N.Y.
2	Frederick Nilsen	7	Son	—	N.Y.
3	Louise Parysek	49	Head	—	N.Y.
4	Josephine Parysek	23	Daughter	Secretary	N.Y.
5	Irma Parysek	20	Daughter	Secretary	N.Y.
6	Theresa Terry	68	Lodger	No Occupation	N.Y.
7	Joseph Hotzak	45	Head	Manager	Conn
8	Anna Hotzak	38	Wife	—	Austria
9	Frances Hotzak	21	Daughter	Stenographer	Conn
10	Alice Hotzak	11	Daughter	—	N.Y.
11	Marion Hotzak	6	Daughter	—	N.Y.
12	John Plambeck	28	Head	Laborer	N.Y.
13	Lily Plambeck	24	Wife	—	N.Y.
14	Marilyn Plambeck	3	Daughter	—	N.Y.
15	John Plambeck	1	Son	—	N.Y.
16	Walter Wieckowski	57	Head	Pres. Of Corp.	Poland
17	Valentino Wieckowski	57	Wife	—	Poland
18	Nicholas Wieckowski	23	Son	—	N.Y.
19	Peter Hoffmann	34	Head	Bus. Secretary	N.Y.
20	Dorothy Hoffmann	30	Wife	—	N.J.
21	Dorothy Hoffmann	1	Daughter	—	N.Y.
22	John Klein	53	Head	Mechanic	Austria
23	Mary Klein THIS PERSON	48	Wife	—	Austria
24	John Jr. Klein	27	Son	Laborer	Austria
25	Chas. Vetter	35	Head	Baker	Germany
26	Marie Vetter	30	Wife	—	Austria
27	Karl Vetter	4	Son	—	N.Y.
28	Andrew Winter	40	Head	Milkman	Austria
29	Andrew Jr. Winter	8	Son	—	N.Y.
30	Wm. Baumbacher	35	Head	Police Serg.	N.Y.
31	Eliz. Baumbacher	36	Wife	—	Brooklyn
32	Wm. Jr. Baumbacher	11	Son	—	Brooklyn
33	Edith Baumbacher	8	Daughter	—	N.Y.
34	Edward Baumbacher	4	Son	—	N.Y.
35	Anna Baumbacher	66	Head	—	Germany
36	Chas. Meehan	42	Head	Police Lieut.	Ky
37	Julia Meehan	37	Wife	—	Ky
38	James Meehan	12	Son	—	N.Y.
39	Chas. Meehan	4	Son	—	N.Y.
40	Eli Roth	35	Head	Salesman	N.Y.

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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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