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Leo Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Leo Brown across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Brown |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Paterson Borough |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | West Paterson Borough |
| Est. Birth Year | ~1923 |
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 Leo | Age | Birth yr |
|---|---|---|---|---|
| Coral Brown | Spouse | — | 45 | ~1895 |
| Norbert Brown | Son | — | 19 | ~1921 |
| Alanyous Brown | Head | — | 46 | ~1894 |
| Leo Brown | Son | — | 17 | ~1923 |
| Alanyous Brown | Son | — | 12 | ~1928 |
| Margaret Brown | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Passaic, New …
Son, age 8
Passaic, New Jersey · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Son, age 17
Passaic-County, New Jersey · implied b. ~1923 — 6 household members
| Surname | Brown |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Paterson Borough |
| 1935 Residence (County) | Passaic |
| Hours Worked | 0 |
| Highest Grade | H 3 |
| 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 Leo Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leo Brown
Son · 1940 · age 17 · b. ~1923 · New Jersey
★ You are viewing this record
Sibling
Alanyous Brown
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norbert Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Brown
Sibling · 1940 · age 14
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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02379-00818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edna Null | 11 | Daughter | — | Ireland |
| 42 | Joan Null | 10 | Daughter | — | Ireland |
| 43 | John Null | 8 | Son | — | New Jersey |
| 44 | Alexander Pallib | 32 | Head | Salesman | New York |
| 45 | Josephine Pallib | 34 | Sister | Order Clerk | New York |
| 46 | Mary Pallib | 60 | Mother | — | Holland |
| 47 | Joseph Du Pree | 65 | Head | Foreman | New Jersey |
| 48 | Hester Du Pree | 64 | Wife | — | Holland |
| 49 | William Hanakiben | 23 | Head | Sorter | New Jersey |
| 50 | Mary Hanakiben | 22 | Wife | Gen. Helper | Poland |
| 51 | Nicholas Nolan | 50 | Head | Bartender | New Jersey |
| 52 | Elizabeth Nolan | 41 | Wife | — | New Jersey |
| 53 | Nicholas Nolan | 10 | Son | — | New Jersey |
| 54 | Beatrice Nolan | 8 | Daughter | — | New Jersey |
| 55 | Leo Nolan | 6 | Son | — | New Jersey |
| 56 | Jane Nolan | 3 | Daughter | — | New Jersey |
| 57 | Albert Barber | 34 | Head | Bricklayer | New Jersey |
| 58 | Ann Barber | 33 | Wife | — | New Jersey |
| 59 | Audrey Barber | 3 | Daughter | — | New Jersey |
| 60 | John Henrarey | 30 | Head | Twist Maker | Penn |
| 61 | Agnes Henrarey | 26 | Wife | — | New Jersey |
| 62 | Theresa Henrarey | 70 | Mother | — | Italy |
| 63 | Anthony Rae | 28 | Head | Boss | New Jersey |
| 64 | Lillian Rae | 21 | Wife | Main Tester | New Jersey |
| 65 | Harry Danish | 25 | Boarder | Chipper | New Jersey |
| 66 | Theresa Danish | 31 | Wife | — | New Jersey |
| 67 | Veronica Danish | 7 | Daughter | — | New Jersey |
| 68 | Theresa Danish | 4 | Daughter | — | New Jersey |
| 69 | Harry Danish | 2 | Son | — | New Jersey |
| 70 | George Rae | 24 | Brother | Machinist | New Jersey |
| 71 | Anthony Rae | 63 | Head | — | New Jersey |
| 72 | Mary Rae | 62 | Wife | — | New Jersey |
| 73 | Veronica Rae | 22 | Daughter | Shirt Presser | New Jersey |
| 74 | Alanyous Brown | 46 | Head | Ticket Agent | New Jersey |
| 75 | Coral Brown | 45 | Wife | — | Austria |
| 76 | Norbert Brown | 19 | Son | — | New Jersey |
| 77 | Leo Brown THIS PERSON | 17 | Son | — | New Jersey |
| 78 | Margaret Brown | 14 | Daughter | — | New Jersey |
| 79 | Alanyous Brown | 12 | Son | — | New Jersey |
| 80 | William Struble | 50 | Head | Sta. Fireman | New Jersey |
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)