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John Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Brown across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Frank & Charles — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | East Orange City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Salesman |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 960 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Salesman |
| Township / Ward | East Orange City |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dolores Brown | Daughter | — | 10 | ~1930 |
| John Brown | Head | — | 31 | ~1909 |
| John Brown | Son | — | 9 | ~1931 |
| Julia Brown | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Essex, New …
Son, age 10
Essex, New Jersey · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 20
Essex, New Jersey · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Occupation | Shipping Clerk |
| Industry | Steel Co. |
| 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 31
Essex-County, New Jersey · implied b. ~1909 — 4 household members
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | East Orange City |
| 1935 Residence (County) | Essex |
| Occupation | Salesman |
| Industry | Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 960 |
| Highest Grade | H-4 |
| 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 Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Brown (~0.92 confidence) and father Charles Brown (~0.92 confidence) and mother Elizabeth Brown (~0.92 confidence) and mother Anna Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Brown
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Charles Brown
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Brown
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Anna Brown
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brown
Head · 1940 · age 31 · b. ~1909 · 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-t0627-02332-00498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Hallatrone | 22 | Son | Helper Screw Machinery | Massachusetts |
| 2 | Arline Hallatrone | 17 | Daughter | — | Massachusetts |
| 3 | Shirley Hallatrone | 14 | Daughter | — | Massachusetts |
| 4 | Phyllis Hallatrone | 10 | Daughter | — | Massachusetts |
| 5 | Peter Pecevich | 22 | Lodger | Stock Clerk | Massachusetts |
| 6 | Frederick Nichola | 74 | Head | — | New York |
| 7 | Mary Nichola | 73 | Wife | — | New Jersey |
| 8 | Ruth Nichola | 26 | Daughter | Stenographer | New Jersey |
| 9 | John Sullivan | 45 | Head | Compositor | New Jersey |
| 10 | Irene Sullivan | 46 | Wife | — | New Jersey |
| 11 | John Sullivan | 5 | Son | — | New Jersey |
| 12 | Harry B. Mason | 64 | Head | Steam Fitter | England |
| 13 | Fanny Mason | 68 | Wife | — | England |
| 14 | John Elliot | 60 | Head | Letter Carrier | New York |
| 15 | Anna Elliot | 59 | Wife | — | New Jersey |
| 16 | Charles Kirner | 65 | Head | Brakeman | Germany |
| 17 | Jenny Kirner | 67 | Wife | — | New Jersey |
| 18 | Jewel Walters | 35 | Daughter | Not Specified | Delaware |
| 19 | Charles Walters | 15 | Grandson | — | New Jersey |
| 20 | John Byrnes | 65 | Head | — | Ireland |
| 21 | Margaret Byrnes | 65 | Wife | — | Ireland |
| 22 | Rudolph Karal | 31 | Head | Baker | New Jersey |
| 23 | Evelyn Karal | 28 | Wife | — | New Jersey |
| 24 | Rudolph Jr. Karal | 2 | Son | — | New Jersey |
| 25 | Lewis Van Derver | 67 | Head | — | New Jersey |
| 26 | Helen Van Derver | 63 | Wife | — | New Jersey |
| 27 | Alma Van Derver | 26 | Daughter | Secretary | New Jersey |
| 28 | Florence Wolfe | 51 | Head | Assembler | New Jersey |
| 29 | Charles Wolfe | 52 | Brother | Baker | New Jersey |
| 30 | Herbert Wolfe | 46 | Brother | Wood Worker | New Jersey |
| 31 | Frank Rock | 49 | Head | Tool Maker | Germany |
| 32 | Wilda Rock | 34 | Wife | Private Home | Germany |
| 33 | Nancy Rock | 7 | Daughter | — | Germany |
| 34 | Bertha Dietrich | 70 | Mother-in-law | — | Germany |
| 35 | Josephine Butz | 43 | Head | Waitress | New Jersey |
| 36 | Mary Mc Ginnis | 48 | Sister | — | New Jersey |
| 37 | John Brown THIS PERSON | 31 | Head | Salesman | New Jersey |
| 38 | Julia Brown | 30 | Wife | — | New Jersey |
| 39 | Dolores Brown | 10 | Daughter | — | New Jersey |
| 40 | John Brown | 9 | Son | — | New Jersey |
Related Census Records
Pedigree Summary
John
Gen 1 · 4 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)