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James Brennan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Brennan across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 10-person household.
Age 49
b. ~1891
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Clerk (inactive) |
| Industry | Stocks & Bonds |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 266 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | New York City |
| Est. Birth Year | ~1891 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Brennan | Daughter | — | 12 | ~1928 |
| Audrey Brennan | Daughter | — | 14 | ~1926 |
| James Brennan | Head | — | 49 | ~1891 |
| Johanna Kiernan | Other | — | 70 | ~1870 |
| Robert Joslin | Other | — | 25 | ~1915 |
| Edward Joslin | Other | — | 1 | ~1939 |
| William Joslin | Other | — | ~1940 | |
| George Brennan | Son | — | 10 | ~1930 |
| Johanna Joslin | Spouse | — | 21 | ~1919 |
| Katherine Brennan | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Kings, New …
Other, age 30
Kings, New York · implied b. ~1890 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Inspector |
| Industry | Rubber Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Other, age 39
Kings, New York · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Typist |
| Industry | Rating House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Head, age 49
Kings-County, New York · implied b. ~1891 — 10 household members
| Surname | Brennan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Clerk (inactive) |
| Industry | Stocks & Bonds |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 266 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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.
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This person
Anchor record
James Brennan
Head · 1940 · age 49 · b. ~1891 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02558-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Talbot | 19 | Daughter | Cash Register | New York |
| 42 | Edward Talbot | 17 | Son | — | New York |
| 43 | Jeremiah Landers | 49 | Head | Elev. Operator | New York |
| 44 | Mabel Landers | 43 | Wife | — | New York |
| 45 | Bertram Grant | 27 | Brother-in-law | Secretary | New York |
| 46 | James Slattery | 40 | Head | Pressman | New York |
| 47 | Camilla Slattery | 42 | Wife | — | Italy |
| 48 | Salvatore Slattery | 13 | Son | — | New York |
| 49 | Mary Slattery | 11 | Daughter | — | New York |
| 50 | James Slattery | 8 | Son | — | New York |
| 51 | Catherine Slattery | 4 | Daughter | — | New York |
| 52 | Vincenza Lalumia | 48 | Sister-in-law | — | Italy |
| 53 | Salvatore Lalumie | 30 | Brother-in-law | Cobbler | Italy |
| 54 | William Condon | 60 | Head | Printer | New York |
| 55 | Mary Condon | 54 | Wife | — | New Jersey |
| 56 | John Condon | 23 | Son | Messenger | New York |
| 57 | Catherine Condon | 22 | Daughter | File Clerk | New York |
| 58 | Thomas Condon | 19 | Son | Salesman | New York |
| 59 | Edward Condon | 16 | Son | — | New York |
| 60 | James Brennan THIS PERSON | 49 | Head | Clerk (Inactive) | New York |
| 61 | Katherine Brennan | 47 | Wife | — | New Jersey |
| 62 | Audrey Brennan | 14 | Daughter | — | New York |
| 63 | Kathleen Brennan | 12 | Daughter | — | New York |
| 64 | George Brennan | 10 | Son | — | New York |
| 65 | Robert Joslin | 25 | Son-in-law | Driller | New Jersey |
| 66 | Johanna Joslin | 21 | Wife | — | New York |
| 67 | Edward Joslin | 1 | Grandson | — | New York |
| 68 | William Joslin | 0 | Grandson | — | New York |
| 69 | Johanna Kiernan | 70 | Mother | Nursemaid | New York |
| 70 | Oscar Raflowitz | 36 | Head | Painter | New York |
| 71 | Elsie Raflowitz | 33 | Wife | — | New York |
| 72 | Florence Raflowitz | 10 | Daughter | — | New York |
| 73 | Michael Karam | 55 | Head | — | Syria |
| 74 | Victoria Karam | 30 | Daughter | Reg. Operator | New York |
| 75 | Matilda Karam | 27 | Daughter | Winder (Silk) | New York |
| 76 | Thomas Karam | 21 | Son | General Helper | New York |
| 77 | Helen Russell | 60 | Head | — | New York |
| 78 | Robert H. Brown | 53 | Head | Draftsman | Scotland |
| 79 | Eva K. Brown | 39 | Wife | — | Pennsylvania |
| 80 | Charles Gerke | 37 | Lodger | Ice Man | 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)