John Carlson — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Carlson across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 3-person household.

Age 58 b. ~1882 Male Head Born: Norway Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Carlson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	New York City
Naturalization Status	Naturalized
Additional Details
Occupation	Carpenter
Industry	House Carpenter
Class of Worker	PW
Hours Worked	35
Income (1939)	2000
Highest Grade	No 8
1935 Residence	Same House
Birth Country	Norway
Birthplace (normalized)	norway
Occupation	Carpenter
Township / Ward	New York City
Est. Birth Year	~1882

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 John	Age	Birth yr
John Carlson	Head	—	58	~1882
Raymond Carlson	Son	—	22	~1918
Petra Carlson	Spouse	—	50	~1890

Census Appearances

1920

Kings, New …

Head, age 35

Kings, New York · implied b. ~1885 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Karlson
Given Name	Johan
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Norway
Year of Immigration	1914
Naturalization Status	Alien
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Captain
Industry	Steamship Co
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Norwegian
Home Owned/Rented	R
Birth Country	Norway
Birthplace (normalized)	norway

1930

Kings, New …

Head, age 45

Kings, New York · implied b. ~1885 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Carlson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Norway
Naturalization Status	Naturalized
Year of Immigration	1900
Age at First Marriage	25
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Captain
Industry	Private Yacht
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Norwegian
Home Owned/Rented	R
Home Value / Rent	55
Radio Set	R
Veteran	Yes
Birth Country	Norway
Birthplace (normalized)	norway

1940

Kings-County, New …

Head, age 58

Kings-County, New York · implied b. ~1882 — 3 household members

Surname	Carlson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	New York City
Naturalization Status	Naturalized
Occupation	Carpenter
Industry	House Carpenter
Class of Worker	PW
Hours Worked	35
Income (1939)	2000
Highest Grade	No 8
1935 Residence	Same House
Birth Country	Norway
Birthplace (normalized)	norway

Model Tree

Linked across censuses

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

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This person

Anchor record

John Carlson

Head · 1940 · age 58 · b. ~1882 · 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-t0627-02581-00596)

Line	Name	Age	Relation	Occupation	Birthplace
1	Raymond W Smith	39	Head	Chauffeur	New York
2	Regina Smith	16	Sister	—	New York
3	Catherine Smith	60	Mother	—	New York
4	Gustave W Keilson	27	Head	Secretary	New York
5	Gustave A Keilson	71	Father	—	Sweden
6	Ida C Keilson	63	Mother	—	Sweden
7	Caroline Anderson	12	Niece	—	New York
8	Delia Green	66	Head	—	Irish Free State
9	Marten Rosenth	67	Head	Stableman	Austria
10	Anna Rosenth	57	Wife	Novelty Work	Austria
11	Rudolph Rosenth	23	Son	Packer	New York
12	James Rosenth	11	Grandson	—	New York
13	Martin J Carroll	46	Head	Custodian	New York
14	Anastacia Carroll	44	Wife	—	New York
15	Joseph Carroll	22	Son	Machinist Helper	New York
16	Patrick Carroll	14	Son	—	New York
17	William Visocky	44	Head	Laborer	Pennsylvania
18	Minnie Visocky	41	Wife	Cleaner	New York
19	Dorothy Visocky	19	Daughter	—	New York
20	John Carlson THIS PERSON	58	Head	Carpenter	Norway
21	Petra Carlson	50	Wife	—	Norway
22	Raymond Carlson	22	Son	Insurance Clerk	New York
23	John Denne	70	Head	Truck Helper	Irish Free State
24	Margaret Denne	70	Wife	—	Irish Free State
25	Robert Denne	26	Son	Policeman	New York
26	Thomas Denne	30	Son	Electrician	New York
27	Minnie Walters	54	Head	Saleswoman	New York
28	Phillip Walters	63	Brother	—	New York
29	Lillian Smith	74	Housekeeper	Housekeeper	New York
30	Jennie M Kauff	51	Head	Automobile Mechanic	New Jersey
31	Samuel Burbank	58	Head	Salesman	New York
32	Mabel S Burbank	60	Wife	—	New York
33	William T Griffin	65	Head	Salesman	New York
34	Jenette Griffin	56	Wife	—	England
35	Herman L Lind	61	Head	Investigator	Massachusetts
36	Lillian Lind	50	Wife	—	New York
37	Ralph Lind	24	Son	Secretary	New York
38	Virginia Lind	19	Daughter	Saleslady	New York
39	Walter Lind	14	Son	—	New York
40	Patrick Leahy	50	Head	Laborer	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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