Mary Schwartz — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Schwartz across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 6-person household.

Age 51 b. ~1889 Female Spouse Born: Russia Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Russia
1935 Residence (City)	Brooklyn Borough
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Additional Details
Industry	0
Highest Grade	No 8
1935 Residence	Same Place
Birth Country	Russia
Birthplace (normalized)	russia
Township / Ward	Brooklyn Borough
Est. Birth Year	~1889

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Estelle Schwartz	Daughter	—	24	~1916
Arnold Schwartz	Son	—	26	~1914
Mary Schwartz	Spouse	—	51	~1889
Shamara Schwartz	Other	—	77	~1863
Irving Schwartz	Son	—	24	~1916
Morris Schwartz	Head	—	54	~1886

Census Appearances

1920

Kings, New …

Spouse, age 28

Kings, New York · implied b. ~1892 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Russia
Year of Immigration	1907
Naturalization Status	Alien
Father's Birthplace	Russia
Mother's Birthplace	Russia
Can Read	No
Can Write	No
Speaks English	Yes
Mother Tongue	Yiddish
Birth Country	Russia
Birthplace (normalized)	russia

1930

Kings, New …

Spouse, age 40

Kings, New York · implied b. ~1890 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Russia
Naturalization Status	Naturalized
Year of Immigration	1902
Age at First Marriage	18
Father's Birthplace	Russia
Mother's Birthplace	Russia
Can Read/Write	Yes
Mother Tongue	Yiddish
Veteran	No
Birth Country	Russia
Birthplace (normalized)	russia

1940

Kings-County, New …

Spouse, age 51

Kings-County, New York · implied b. ~1889 — 6 household members

Surname	Schwartz
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Russia
1935 Residence (City)	Brooklyn Borough
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Industry	0
Highest Grade	No 8
1935 Residence	Same Place
Birth Country	Russia
Birthplace (normalized)	russia

Model Tree

Linked across censuses

Our Model Tree links Mary Schwartz 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 Schwartz

Spouse · 1940 · age 51 · b. ~1889 · 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 — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02588-00604)

Line	Name	Age	Relation	Occupation	Birthplace
1	Saul Pokorelle	18	Son	—	N.Y.
2	Edith Pokorelle	13	Daughter	—	N.Y.
3	Hyman Goldman	24	Son-in-law	City Salesman	N.Y.
4	Morris Shlansky	45	Head	Manufacturer	Poland
5	Ida Shlansky	41	Wife	—	Poland
6	Harriet Shlansky	20	Daughter	—	N.Y.
7	Beatrice Shlansky	16	Daughter	—	N.Y.
8	Milton Shlansky	12	Son	—	N.Y.
9	Janet Shlansky	9	Daughter	—	N.Y.
10	Anne Bayerdorf	80	Mother-in-law	—	Poland
11	Elizabeth Harry	22	Maid	Housemaid	N.Y.
12	Rebecca Kottler	60	Head	—	Russia
13	Esther Kottler	37	Daughter	Secretary	Russia
14	Louis Cohen	49	Head	C.P.A.	Russia
15	Lena Cohen	50	Wife	—	Russia
16	Judith Cohen	15	Daughter	—	N.Y.
17	Henah Cohen	11	Daughter	—	N.Y.
18	Raphael Schwartz	78	Father-in-law	—	Russia
19	Morris Schwartz	54	Head	Manufacturer	Russia
20	Mary Schwartz THIS PERSON	51	Wife	—	Russia
21	Irving Schwartz	24	Son	Helper	N.Y.
22	Arnold Schwartz	26	Son	Helper	N.Y.
23	Estelle Schwartz	24	Daughter	Bookkeeper	N.Y.
24	Shamara Schwartz	77	Mother	—	Russia
25	William Pecker	64	Head	Proprietor	Russia
26	Cecilia Pecker	55	Wife	—	Russia
27	Charles Brenner	57	Head	Plumber	Russia
28	Julia Brenner	45	Wife	—	Russia
29	Yetta Brenner	22	Daughter	Salesgirl	N.Y.
30	Sadie Brenner	20	Daughter	Helper	N.Y.
31	May Brenner	20	Daughter	Salesgirl	N.Y.
32	Harry Goldacker	55	Head	Egg Dealer	Austria
33	Sadie Goldacker	55	Wife	—	Austria
34	Julius Goldacker	32	Son	Buyer	N.Y.
35	Claire Goldacker	29	Daughter	Teacher	N.Y.
36	Sol Goldacker	25	Son	Shipping Clerk	N.Y.
37	Morris Alunat	33	Head	Pharmacist	N.Y.
38	Rosylot Alunat	24	Wife	—	N.Y.
39	Barbara Alunat	6	Daughter	—	N.Y.
40	Joseph Weinstein	57	Head	Packer	Russia

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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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