JB
James Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this James Blake across the 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Blake |
| Given Name | James P. W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hillsdale Boro |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | Office Boy |
| Industry | Wholesale Food |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Office Boy |
| Township / Ward | Hillsdale Boro |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Robert Blake | Son | — | 10 | ~1930 |
| James Blake | Son | — | 18 | ~1922 |
| Edward Blake | Son | — | 23 | ~1917 |
| Julius Blake | Head | — | 47 | ~1893 |
| Edith Blake | Spouse | — | 43 | ~1897 |
| Marion Blake | Daughter | — | 15 | ~1925 |
| Helen Blake | Daughter | — | 12 | ~1928 |
| Julius Blake | Son | — | 20 | ~1920 |
| Phillip Blake | Son | — | 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 | Black |
| Given Name | James |
| 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 | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Son, age 18
Bergen-County, New Jersey · implied b. ~1922 — 9 household members
| Surname | Blake |
| Given Name | James P. W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hillsdale Boro |
| 1935 Residence (County) | Bergen |
| Occupation | Office Boy |
| Industry | Wholesale Food |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 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 James Blake across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Blake
Son · 1940 · age 18 · b. ~1922 · New Jersey
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Sibling
Robert Blake
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Blake
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Blake
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Blake
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julius Blake
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Blake
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 — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02310-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis G. Gorman | 36 | Head | Physician | Russia |
| 2 | Lillian Gorman | 33 | Wife | Physician | Missouri |
| 3 | Graham Gorman | 5 | Son | — | New Jersey |
| 4 | Eleanor Gorman | 4 | Daughter | — | New Jersey |
| 5 | Chahan Muller | 75 | Father-in-law | — | Poland |
| 6 | Herbert C. Marshall | 61 | Head | — | New York |
| 7 | Frances Marshall | 40 | Wife | — | New York |
| 8 | Marion Bessler | 54 | Sister-in-law | — | New York |
| 9 | William K. Gensheimer | 53 | Brother-in-law | Carpenter | New Jersey |
| 10 | George Decker | 50 | Head | Merchant | New York |
| 11 | Jenny Decker | 44 | Wife | Salesman | New York |
| 12 | George H. Johnson | 48 | Brother-in-law | — | New York |
| 13 | Phillip Johnson | 40 | Brother-in-law | Lithographer | New York |
| 14 | John W. Kenmonth | 70 | Head | Salesman | New York |
| 15 | Florence Kenmonth | 69 | Wife | Court Officer | New York |
| 16 | Alton Kenmonth | 35 | Son | Stenographer | New Jersey |
| 17 | Martin Schumacher | 40 | Head | Carpenter | New Jersey |
| 18 | Frederick Schumacher | 16 | Son | — | Ohio |
| 19 | Marilyn Schumacher | 13 | Daughter | — | New Jersey |
| 20 | Kenneth Schumacher | 9 | Son | — | New Jersey |
| 21 | William H. De Graw | 45 | Head | Music Keeper | New York |
| 22 | Emily De Graw | 44 | Wife | — | New Jersey |
| 23 | Mary S. Wolfsheimer | 18 | Daughter | Typist | New Jersey |
| 24 | William Jr. De Graw | 10 | Son | — | New Jersey |
| 25 | Julius C. Blake | 47 | Head | Accountant | New York |
| 26 | Edith M. Blake | 43 | Wife | — | New York |
| 27 | Edward D. Blake | 23 | Son | Office Clerk | New York |
| 28 | Julius C. Blake | 20 | Son | Office Clerk | New Jersey |
| 29 | James P. W. Blake THIS PERSON | 18 | Son | Office Boy | New Jersey |
| 30 | Marion E. Blake | 15 | Daughter | — | New York |
| 31 | Phillip W. Blake | 14 | Son | — | New Jersey |
| 32 | Helen H. Blake | 12 | Daughter | — | New Jersey |
| 33 | Robert S. Blake | 10 | Son | — | California |
| 34 | Earl Cooper | 54 | Head | Structural Engineer | Pennsylvania |
| 35 | Daisy Cooper | 56 | Wife | — | New York |
| 36 | Thomas Cooper | 25 | Son | Bank Clerk | New York |
| 37 | George Doughty | 40 | Head | Inspector | New York |
| 38 | Sybil Doughty | 34 | Wife | — | New Jersey |
| 39 | Alice Doughty | 1 | Daughter | — | New Jersey |
| 40 | Thomas Patton | 47 | Head | — | New York |
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)