TB
Thomas Brennan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Thomas Brennan across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Thomas & Madeline — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing Contractor |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Plumber |
| Township / Ward | 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Madeline Brennan | Head | — | 54 | ~1886 |
| Edward Brennan | Son | — | 11 | ~1929 |
| Thomas Brennan | Son | — | 31 | ~1909 |
Census Appearances
1920
Essex, New …
Son, age 11
Essex, New Jersey · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 21
Essex, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Assembler |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 31
Essex-County, New Jersey · implied b. ~1909 — 3 household members
| Surname | Brennan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Orange |
| 1935 Residence (County) | Essex |
| Occupation | Plumber |
| Industry | Plumbing Contractor |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | New Jersey |
| 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 Thomas Brennan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Brennan (~0.92 confidence) and mother Madeline Brennan (~0.92 confidence) and mother Magdalen Brennan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Brennan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Madeline Brennan
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Magdalen Brennan
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Brennan
Son · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Edward Brennan
Sibling · 1940 · age 11
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-02339-00659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Void | None | — | — | — |
| 42 | John Gelsuck | 34 | Head | Store Manager | New Jersey |
| 43 | Helen Gelsuck | 31 | Wife | — | New Jersey |
| 44 | Regina Gelsuck | 8 | Daughter | — | New Jersey |
| 45 | John Gelsuck | 6 | Son | — | New Jersey |
| 46 | Richard Gelsuck | 5 | Son | — | New Jersey |
| 47 | Joan Gelsuck | 4 | Daughter | — | New Jersey |
| 48 | Joan Gelsuck | 2 | Daughter | — | New Jersey |
| 49 | Annie Cullen | 65 | Aunt | — | New Jersey |
| 50 | John L. Young | 75 | Head | Proprietor | New Jersey |
| 51 | Mary E. Young | 72 | Wife | — | New Jersey |
| 52 | Josephine Young | 17 | Grand-daughter | — | New Jersey |
| 53 | James J. Corby | 37 | Head | Mail Carrier | Pennsylvania |
| 54 | Genevieve Corby | 31 | Wife | — | New York |
| 55 | Theresa Corby | 8 | Daughter | — | New Jersey |
| 56 | Lorraine M. Corby | 6 | Daughter | — | New Jersey |
| 57 | Vincent Di Lucia | 27 | Head | Cutter | New Jersey |
| 58 | Anne Di Lucia | 27 | Wife | — | New Jersey |
| 59 | Casper Trandariuo | 57 | Head | Peddler | Italy |
| 60 | Genevieve Trandariuo | 48 | Wife | — | Italy |
| 61 | Frances Trandariuo | 27 | Daughter | Garment Maker | New York |
| 62 | James Trandariuo | 24 | Son | Truck Driver | New York |
| 63 | Virginia Trandariuo | 21 | Daughter | Assembler | New York |
| 64 | Jessie Trandariuo | 20 | Daughter | Garment Worker | New York |
| 65 | Rose Trandariuo | 18 | Daughter | — | New Jersey |
| 66 | Anthony Trandariuo | 17 | Son | — | New Jersey |
| 67 | Paul Trandariuo | 15 | Son | — | New Jersey |
| 69 | Frank Hill | 24 | Head | Cutter | New Jersey |
| 70 | Marion Hill | 22 | Wife | Inspector | New Jersey |
| 71 | Alfred Bennett | 44 | Head | Machinist | Maine |
| 72 | Marion Bennett | 31 | Wife | Clerk | Maine |
| 73 | Alfred Bennett | 13 | Son | — | Maine |
| 74 | Lillian Bennett | 11 | Daughter | — | Massachusetts |
| 75 | Ronald Bennett | 4 | Son | — | Maine |
| 76 | Madeline Brennan | 54 | Head | Bag Maker | New Jersey |
| 77 | Thomas Brennan THIS PERSON | 31 | Son | Plumber | New Jersey |
| 78 | Edward Brennan | 11 | Son | — | New Jersey |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 3 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)