Mary Lund — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Lund across the 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 6-person household.

Age 18 b. ~1922 Female Daughter Born: New York Single

1940 Census Record Details

Census Year	1940
Location	Queens-County, New York
Surname	Lund
Given Name	Mary E.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	18
Marital Status	Single
Birthplace	New York
1935 Residence (City)	N.Y.C. (Queens Borough)
1935 Residence (County)	Queens
Additional Details
Highest Grade	H 4
1935 Residence	Same House
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Nyc Queens Borough
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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Lund	Daughter	—	18	~1922
Anna Lund	Spouse	—	56	~1884
Thomas Lund	Son	—	20	~1920
Catherine Lund	Daughter	—	15	~1925
Anna Smith	Other	—	25	~1915
Thomas Lund	Head	—	67	~1873

Census Appearances

1930

Queens, New …

Daughter, age 8

Queens, New York · implied b. ~1922 — 14 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lund
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	8
Marital Status	Single
Birthplace	New York
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Queens-County, New …

Daughter, age 18

Queens-County, New York · implied b. ~1922 — 6 household members

Surname	Lund
Given Name	Mary E.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	18
Marital Status	Single
Birthplace	New York
1935 Residence (City)	N.Y.C. (Queens Borough)
1935 Residence (County)	Queens
Highest Grade	H 4
1935 Residence	Same House
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Lund

Daughter · 1940 · age 18 · b. ~1922 · New York

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Sibling

Thomas Lund

Sibling · 1940 · age 20

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Catherine Lund

Sibling · 1940 · age 15

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 — Queens-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02746-00038)

Line	Name	Age	Relation	Occupation	Birthplace
1	Bessie Hirshorn	40	Wife	—	New York
2	Robert W. Hirshorn	15	Son	—	New York
3	Dorothy F. Hirshorn	11	Daughter	—	New York
4	Michael J. Cashman	67	Head	—	New York
5	Anna G. Cashman	59	Wife	—	New York
6	Mary C. Cashman	35	Daughter	Stenographer	New York
7	William P. Ward	43	Head	Clerk	New York
8	Helen A. Ward	42	Wife	—	New York
9	Helen A. Ward	15	Daughter	—	New York
10	Catherine C. Ward	12	Daughter	—	New York
11	Patricia Ward	9	Daughter	—	New York
12	John Ward	44	Brother	—	New York
13	Henry Schwen	58	Head	Salesman	New York
14	Lillian Schwen	57	Wife	—	New York
15	Joseph Parker	42	Head	Clerk	New York
16	Lillian C. Parker	44	Wife	—	New York
17	Donald J. Parker	8	Son	—	New York
18	Samuel B. Fishman	50	Head	Manufacturer	Russia
19	Marion B. Fishman	46	Wife	—	New York
20	Bert M. Fishman	20	Son	—	New York
21	Robert A. Fishman	15	Son	—	New York
22	Mary Lamberska	22	Maid	Maid	New York
23	Theron Smith	58	Head	Salesman	Wisconsin
24	Lona Smith	56	Wife	Private Secretary	Wisconsin
25	Elizabeth Kinloch	63	Sister-in-law	Social Worker	Mass.
26	Wilhelmina Offerman	54	Boarder	Social Worker	New York
27	Charles F. Mocker	48	Head	Fireman	New York
28	Adele Mocker	45	Wife	—	Germany
29	Lillian A. Mocker	23	Daughter	Dictaphone Op.	New York
30	Charles F. Jr. Mocker	22	Son	Clerk	New York
31	Thomas F. Lund	67	Head	Undertaker	New Jersey
32	Anna Lund	56	Wife	—	Ireland
33	Thomas F. Jr. Lund	20	Son	—	New York
34	Mary E. Lund THIS PERSON	18	Daughter	—	New York
35	Catherine T. Lund	15	Daughter	—	New York
36	Anna Smith	25	Maid	Maid	New York
37	James A. Thierry	50	Head	Chief Clerk	New York
38	Elizabeth M. Thierry	42	Wife	—	New York
39	James A. Jr. Thierry	13	Son	—	New York
40	Louis E. Haiss	45	Head	Chauffeur	New York

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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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