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John Larsen — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Larsen across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.

Age 10 b. ~1930 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameLarsen
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age10
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York
1935 Residence (County)New York
Additional Details
Highest GradeS 5
1935 ResidenceSame Place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York
Est. Birth Year~1930

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.

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

Name Relation to head Relative to John Age Birth yr
Martin Larsen Son — 13 ~1927
Cleo Larsen Daughter — 3 ~1937
John Larsen Son — 10 ~1930
Martin Larsen Head — 42 ~1898
Nora Larsen Spouse — 39 ~1901
Mary Larsen Daughter — 18 ~1922
Christopher Larsen Son — 7 ~1933

Census Appearances

1930
Bronx, New …
Son, age 1
Bronx, New York · implied b. ~1929 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Larsen
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace Germany
Mother's Birthplace Germany
Can Read/Write Yes
Veteran No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Son, age 10
New-York-County, New York · implied b. ~1930 — 7 household members
Surname Larsen
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace New York
1935 Residence (City) New York
1935 Residence (County) New York
Highest Grade S 5
1935 Residence Same Place
Birth State New York
Birth Country United States
Birthplace (normalized) new york

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links John Larsen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Larsen
Son · 1940 · age 10 · b. ~1930 · New York
★ You are viewing this record
Sibling
Cleo Larsen
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Larsen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Larsen
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christopher Larsen
Sibling · 1940 · age 7
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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02632-00531)

Line Name Age Relation Occupation Birthplace
41 Louise De Martino 10 Daughter — New York
42 Mary Devaney 67 Head — Ireland
43 Myrtle Sears 51 Head Housekeeper Florida
44 Amy Addison 27 Daughter Maid Louisiana
45 Clyde Merten 38 Lodger Steward New York
46 Lawrence Merten 15 Lodger Messenger New York
47 Joseph Merten 14 Lodger — Rhode Island
48 John Hutchinson 49 Head Iron Moulder England
49 Dora Hutchinson 39 Wife — Mass
50 Daniel Smith 23 Head New Worker Mass
51 Dorothy Smith 12 Wife — Mass
52 Edward Smith 1 Son — Mass
53 Thomas Smith 18 Son New Worker New York
54 Harry Smith 51 Head Laborer New York
55 Minnie Smith 65 Wife — Ireland
56 Sam Newman 35 Head Proprietor Poland
57 Bertha Newman 35 Wife — Hungary
58 Jacob Newman 13 Son — New York
59 Irving Newman 11 Son — New York
60 Esther Newman 10 Daughter — New York
61 Anthony Pagano 67 Head — Italy
62 Mary Pagano 59 Wife — Italy
63 Mary Pagano 26 Daughter New Worker New York
64 Frances Pagano 19 Daughter Catcher New York
65 Cecil Lipple 33 Head Waitress Pennsylvania
66 Harold Lipple 11 Son — New York
67 Frank Nelson 41 Head Chauffeur New York
68 Florence Nelson 41 Wife Supt. New York
69 Elizabeth Nelson 22 Daughter Hostess New York
70 Florence Nelson 20 Daughter Photographer New York
71 Frank Nelson 10 Son — New York
72 Martin Larsen 42 Head Shipping Clerk Ireland
73 Nora Larsen 39 Wife — Ireland
74 Mary Agnes Larsen 18 Daughter New Worker New York
75 Martin J. Larsen 13 Son — New York
76 John Larsen THIS PERSON 10 Son — New York
77 Christopher Larsen 7 Son — New York
78 Cleo Larsen 3 Daughter — New York
79 Cornelius Borman 44 Head Laborer New York
80 Jennie Borman 42 Wife — 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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