John Lake — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Lake across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 6-person household.

Age 16 b. ~1924 Male Son Born: New York Single

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Lake
Given Name	John Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Class of Worker	0
Highest Grade	H 2
1935 Residence	Same Place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Mary Carroll	Other	—	20	~1920
John Lake	Son	—	16	~1924
Walter Lake	Son	—	10	~1930
John Lake	Head	—	42	~1898
Joan Lake	Daughter	—	3	~1937
Lillian Lake	Spouse	—	32	~1908

Census Appearances

1930

Kings, New …

Other, age 6

Kings, New York · implied b. ~1924 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Luke
Given Name	John Jr
Relationship to Head	Son-in-law
Sex	M
Color / Race	White
Age	6
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Son, age 16

Kings-County, New York · implied b. ~1924 — 6 household members

Surname	Lake
Given Name	John Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Class of Worker	0
Highest Grade	H 2
1935 Residence	Same Place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

John Lake

Son · 1940 · age 16 · b. ~1924 · New York

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Sibling

Joan Lake

Sibling · 1940 · age 3

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Walter Lake

Sibling · 1940 · age 10

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 — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02575-00800)

Line	Name	Age	Relation	Occupation	Birthplace
41	Leslie Danny Forsberg	15	Son	—	Massachusetts
42	Harold C. Helgerson	31	Son Law	Wire Man	Illinois
43	Bernice L. Helgerson	25	Daughter	Book Keeper	Massachusetts
44	Henry Justin	29	Head	Lather	Ohio
45	Sylvia Justin	28	Wife	Stenographer	New York
46	Edwin Armstrong	45	Head	Foreman	New York
47	Anna Armstrong	43	Wife	—	New York
48	Bruce Armstrong	17	Son	—	New York
49	David Armstrong	6	Son	—	New York
50	John W. Lake	42	Head	Proprietor	New York
51	Lillian Lake	32	Wife	Proprietor	New York
52	John Jr. Lake THIS PERSON	16	Son	—	New York
53	Walter Lake	10	Son	—	New York
54	Joan Lake	3	Daughter	—	New York
55	Mary Carroll	20	Maid	House Work	New York
56	Domenick Saccolette	34	Head	Hair Dresser	New York
57	Louise Saccolette	33	Wife	—	New York
58	Francis Saccolette	8	Son	—	New York
59	Carol Saccolette	2	Daughter	—	New York
60	Louis J. Civille	41	Head	Traffic Manager	Italy
61	Victoria Civille	28	Wife	—	New York
62	Louis J. Jr. Civille	8	Son	—	New York
63	Clarence M. Knowles	52	Head	Salesman	New York
64	Ethel M. Knowles	48	Wife	—	New York
65	Walter L. Buchanan	50	Head	Proprietor	Pennsylvania
66	Rachel M. Buchanan	56	Wife	Proprietor	New Jersey
67	Stephen Hessath	29	Servant	Caretaker	New Jersey
68	Mary Hessath	26	Maid	Maid	New Jersey
69	Mary H. Starrett	53	Head	Teacher	New York
70	Austin Jessie Starrett	51	Sister	—	New York
71	William K. Starrett	65	Cousin	—	Scotland
72	Benson Starrett	24	Nephew	New Worker	New York
73	Herman Jurgens	55	Head	Proprietor	New York
74	Josephine Jurgens	50	Wife	—	New York
75	Clement Jurgens	26	Son	Clerk	New York
76	Joseph Jurgens	18	Son	—	New York
77	August Frost	50	Head	Goldsmith	New York
78	Loretta Frost	48	Wife	—	New York
79	John E. Frost	23	Son	Entertainer	New York
80	Joseph Wilson	40	Head	Secretary	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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