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Joseph Brennan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bronx, New York
Our Model Tree links this Joseph Brennan across the 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 0
b. ~1930
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bronx, New York |
| Surname | Brennan |
| Given Name | Joseph F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Nora Brennan | Daughter | — | 4 | ~1926 |
| William Brennan | Son | — | 7 | ~1923 |
| Margaret Brennan | Spouse | — | 23 | ~1907 |
| Thomas Brennan | Son | — | 6 | ~1924 |
| James Brennan | Son | — | 3 | ~1927 |
| Joseph Brennan | Son | — | ~1930 | |
| William Brennan | Head | — | 42 | ~1888 |
Census Appearances
1930
Bronx, New …
Son, age
Bronx, New York · implied b. ~1930 — 7 household members
| Surname | Brennan |
| Given Name | Joseph F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 10
Bronx-County, New York · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennen |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Highest Grade | No 5 |
| 1935 Residence | New York |
| 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 Joseph Brennan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Brennan
Son · 1930 · age 0 · b. ~1930 · New York
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Sibling
Nora Brennan
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Brennan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Brennan
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brennan
Sibling · 1930 · age 3
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
1930 US Federal Census — Bronx, New York
Open full size
1930 US Federal Census — Bronx, New York
Page Contents
33 people indexed on this census page (ia:1930:newyorkcensus00reel1479:0885)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Brennan | 42 | Head | Laborer | New York |
| 2 | Margaret Brennan | 23 | Wife | None | Ireland |
| 3 | William E Brennan | 7 | Son | None | New York |
| 4 | Thomas A Brennan | 6 | Son | None | New York |
| 5 | Nora J Brennan | 4 | Daughter | None | New York |
| 6 | James P Brennan | 3 | Son | None | New York |
| 7 | Joseph F Brennan THIS PERSON | 0 | Son | None | New York |
| 8 | Aniello Paura | 40 | Head | Laborer | Italy |
| 9 | Subestina Paura | 37 | Wife | None | Italy |
| 10 | Lena Trialo | 30 | Head | None | Italy |
| 11 | John Trialo | 24 | Son | Chauffeur | Italy |
| 12 | Benetto Labarto | 32 | Head | Clerk | Italy |
| 13 | Roselyna Labarto | 18 | Wife | None | Italy |
| 14 | Salvator Labarto | 1 | Son | None | New York |
| 15 | Pasquale Margotta | 32 | Head | Pharmacist | Pennsylvania |
| 16 | Pauline Margotta | 32 | Wife | None | New York |
| 17 | John M Margotta | 5 | Son | None | New York |
| 18 | Gaetano Cassalino | 50 | Head | Iron Worker | Italy |
| 19 | Carmela Cassalino | 49 | Wife | None | Italy |
| 20 | Joseph Cassalino | 25 | Son | Policeman | New York |
| 21 | Paul Cassalino | 24 | Son | — | New York |
| 22 | John Cassalino | 20 | Son | — | New York |
| 23 | Daniel Cassalino | 17 | Son | — | New York |
| 24 | Florence Cassalino | 13 | Daughter | None | New York |
| 25 | Rosario Miccerancio | 35 | Head | Policeman | Italy |
| 26 | Jessie Miccerancio | 34 | Wife | None | Italy |
| 27 | Gustav Nelson | 35 | Head | Tinsmith | Sweden |
| 28 | Pauline Nelson | 34 | Wife | — | New York |
| 29 | Evelyn Nelson | 8 | Daughter | — | New York |
| 30 | John Daly | 46 | Head | Chauffeur | New York |
| 31 | Anna Daly | 46 | Wife | None | New York |
| 32 | Julia Daly | 7 | Daughter | None | New York |
| 33 | Arnold Daly | 3 | Son | None | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)