JB
James Brennan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this James Brennan across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents James & Anna — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Shipping clerk |
| Industry | Packing Co. |
| Class of Worker | PW |
| Hours Worked | 59 |
| Income (1939) | 226 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Shipping Clerk |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Brennan | Head | — | 60 | ~1880 |
| James Brennan | Son | — | 27 | ~1913 |
| Sarah Brennan | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Hudson, New …
Son, age 6
Hudson, New Jersey · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Industry | none |
| Can Read | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 17
Hudson, New Jersey · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Western Electric |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 27
Hudson-County, New Jersey · implied b. ~1913 — 3 household members
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Shipping clerk |
| Industry | Packing Co. |
| Class of Worker | PW |
| Hours Worked | 59 |
| Income (1939) | 226 |
| 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 James Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Brennan (~0.92 confidence) and mother Anna Brennan (~0.92 confidence) and mother Sarah Brennan (~0.92 confidence) and mother Ida Brennan (~0.92 confidence) and father John Brennan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Brennan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Brennan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Sarah Brennan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Ida Brennan
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
John Brennan
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Brennan
Son · 1940 · age 27 · b. ~1913 · 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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02402-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Zeller | 21 | Son | Laborer | New Jersey |
| 42 | Ellen Zeller | 19 | Daughter | Typist | New Jersey |
| 43 | Margaret Zeller | 12 | Daughter | — | New Jersey |
| 44 | Matthew Zeller | 10 | Son | — | New Jersey |
| 45 | Frank De Vito | 32 | Head | Repairman | Italy |
| 46 | Jean De Vito | 26 | Wife | — | Pennsylvania |
| 47 | Alphonse De Vito | 6 | Son | — | New Jersey |
| 48 | Victor De Vito | 1 | Son | — | New Jersey |
| 49 | Frank Wagner | 39 | Head | Polisher | Germany |
| 50 | Elizabeth Wagner | 41 | Wife | Operator | Germany |
| 51 | Rose Wagner | 15 | Daughter | — | New Jersey |
| 52 | Charles Wagner | 13 | Son | — | New Jersey |
| 53 | Nicholas Marian | 38 | Head | Salesman | Italy |
| 54 | Mary Ann Marian | 36 | Wife | — | New Jersey |
| 55 | Mildred Marian | 18 | Daughter | New Worker | New Jersey |
| 56 | Josephine Marian | 16 | Daughter | — | New Jersey |
| 57 | Giacomo De Martino | 49 | Head | Salesman | Italy |
| 58 | Mary De Martino | 47 | Wife | — | Italy |
| 59 | Michael De Martino | 20 | Son | Laborer | New Jersey |
| 60 | Angelina De Martino | 19 | Daughter | Laborer | New Jersey |
| 61 | John De Martino | 18 | Son | Laborer | New Jersey |
| 62 | Mary De Martino | 17 | Daughter | — | New Jersey |
| 63 | Sam De Vito | 83 | Father | — | Italy |
| 64 | Raymond Halpin | 46 | Head | Chauffeur | New Jersey |
| 65 | Mary D. Halpin | 45 | Wife | — | New Jersey |
| 66 | Mildred Halpin | 17 | Son | — | New Jersey |
| 67 | Eileen Halpin | 16 | Daughter | — | New Jersey |
| 68 | Raymond Halpin | 13 | Son | — | New Jersey |
| 69 | Richard Imbreglia | 49 | Head | Baker'S Help | Italy |
| 70 | Catherine Imbreglia | 50 | Wife | — | Italy |
| 71 | Loretta Imbreglia | 27 | Daughter | Operator | New Jersey |
| 72 | Minnie Imbreglia | 21 | Daughter | Buttonmaker | New Jersey |
| 73 | Josephine Imbreglia | 19 | Daughter | Floor Girl | New Jersey |
| 74 | Philomena Imbreglia | 17 | Daughter | Floor Girl | New Jersey |
| 75 | Antoinette Imbreglia | 15 | Daughter | — | New Jersey |
| 76 | Angelina Imbreglia | 14 | Daughter | — | New Jersey |
| 77 | Carl Imbreglia | 11 | Son | — | New Jersey |
| 78 | James Brennan | 60 | Head | Watchman | New Jersey |
| 79 | Sarah Brennan | 53 | Wife | — | New Jersey |
| 80 | James Brennan THIS PERSON | 27 | Son | Shipping Clerk | New Jersey |
Pedigree Summary
James
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)