JL
John Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Larson across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Andrew & Andy — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Larson |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | East Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Painter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 920 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Painter |
| Township / Ward | East Orange |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ann Larson | Daughter | — | 4 | ~1936 |
| John Larson | Head | — | 30 | ~1910 |
| John Larson | Son | — | 6 | ~1934 |
| Kenneth Larson | Son | — | 1 | ~1939 |
| Alice Larson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Essex, New …
Son, age 9
Essex, New Jersey · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Son, age 20
Essex, New Jersey · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Norway |
| Mother's Birthplace | Sweden |
| Occupation | Draftsman |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Head, age 30
Essex-County, New Jersey · implied b. ~1910 — 5 household members
| Surname | Larson |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | East Orange |
| 1935 Residence (County) | Essex |
| Occupation | Painter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 920 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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.
Our Model Tree links John Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Larsen (~0.92 confidence) and father Andy Larsen (~0.92 confidence) and mother Elsie Larsen (~0.92 confidence) and mother Clara Larsen (~0.92 confidence) and mother Margaret Larsen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Larsen
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Andy Larsen
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Elsie Larsen
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Clara Larsen
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Margaret Larsen
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Larson
Head · 1940 · age 30 · b. ~1910 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02331-00283)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John W. Larson THIS PERSON | 30 | Head | Painter | New Jersey |
| 42 | Alice Larson | 26 | Wife | — | Scotland |
| 43 | John A. Larson | 6 | Son | — | New Jersey |
| 44 | Ann Larson | 4 | Daughter | — | New Jersey |
| 45 | Kenneth Larson | 1 | Son | — | New Jersey |
| 46 | William A. Cowan | 34 | Head | Milling Machine | New Jersey |
| 47 | Elizabeth Cowan | 28 | Wife | — | New Jersey |
| 48 | Jean Cowan | 6 | Daughter | — | New Jersey |
| 49 | Margaret Cowan | 5 | Daughter | — | New Jersey |
| 50 | Richard Cowan | 3 | Son | — | New Jersey |
| 51 | William A. Cowan | 2 | Son | — | New Jersey |
| 52 | William Kennedy | 45 | Head | P.W.A. | Irish Free State |
| 53 | Mary Kennedy | 43 | Wife | — | Irish Free State |
| 54 | William Kennedy | 13 | Son | — | New Jersey |
| 55 | Mary Kennedy | 11 | Daughter | — | New Jersey |
| 56 | Eugene Kennedy | 10 | Son | — | New Jersey |
| 57 | Anne Kennedy | 8 | Daughter | — | New Jersey |
| 58 | James Kennedy | 7 | Son | — | New Jersey |
| 59 | John Kennedy | 5 | Son | — | New Jersey |
| 60 | Augustus G. Ryan | 36 | Head | Mechanic (Auto) | New York |
| 61 | Madeline Ryan | 32 | Wife | — | New Jersey |
| 62 | George Ryan | 12 | Son | — | New Jersey |
| 63 | Diane Ryan | 7 | Daughter | — | New Jersey |
| 64 | Donald Ryan | 5 | Son | — | New Jersey |
| 65 | Kenneth Beetle | 29 | Head | Foreman | New Jersey |
| 66 | Martha Beetle | 27 | Wife | — | New Jersey |
| 67 | John Beetle | 13 | Son | — | Connecticut |
| 68 | Phillip Hoblit | 27 | Head | Tinsmith | New Jersey |
| 69 | Martha Hoblit | 25 | Wife | — | New Jersey |
| 70 | Martha Hoblit | 4 | Daughter | — | New Jersey |
| 71 | Phillip S. Hoblit | 2 | Son | — | New Jersey |
| 72 | Peter M. Hoblit | 1 | Son | — | New Jersey |
| 73 | Anthony W. Withers | 57 | Head | Butcher | New Jersey |
| 74 | Helen Withers | 55 | Wife | — | New Jersey |
| 75 | End Of Block | None | — | — | — |
| 76 | Ulysses Ellington | 19 | Head | Laborer (Wpa) | New Jersey |
| 77 | Bernice Ellington | 18 | Wife | — | Virginia |
| 78 | Lois Ellington | 1 | Daughter | — | New Jersey |
| 79 | Carol J. Ellington | 0 | Daughter | — | New Jersey |
| 80 | Kate Herdman | 69 | Head | — | New Jersey |
Related Census Records
Pedigree Summary
John
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)