JF
John Finn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this John Finn across the 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Finn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1928 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patrick Finn | Son | — | 16 | ~1924 |
| Agnes Finn | Daughter | — | 14 | ~1926 |
| John Finn | Son | — | 12 | ~1928 |
| Mary Finn | Spouse | — | 48 | ~1892 |
| Peter Finn | Son | — | 26 | ~1914 |
| Rita Finn | Daughter | — | 17 | ~1923 |
| James Finn | Head | — | 50 | ~1890 |
Census Appearances
1930
Bronx, New …
Son, age 3
Bronx, New York · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finn |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Irish Free |
| Mother's Birthplace | Irish Free |
| Occupation | none |
| Radio Set | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 12
Bronx-County, New York · implied b. ~1928 — 7 household members
| Surname | Finn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Highest Grade | No 6 |
| 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 John Finn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Finn
Son · 1940 · age 12 · b. ~1928 · New York
★ You are viewing this record
Sibling
Agnes Finn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Finn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Finn
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Finn
Sibling · 1940 · age 26
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02473-00768)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Mckeon | 57 | Head | Advertising Artist | Connecticut |
| 2 | Mary Mckeon | 55 | Wife | — | Pennsylvania |
| 3 | Charles Hagesmeier | 57 | Lodger | Switchboard Operator | Germany |
| 4 | Dennis Bramnick | 44 | Head | Investigator | New York |
| 5 | Leona Bramnick | 44 | Wife | — | New York |
| 6 | John Martin | 21 | Son | — | New York |
| 7 | Ellen Martin | 17 | Daughter | — | New York |
| 8 | Dominick Martin | 6 | Son | — | New York |
| 9 | Margaret Martin | 4 | Daughter | — | New York |
| 10 | Max Reinhardt | 48 | Head | Attendant Bar & Grill | Germany |
| 11 | Carola Reinhardt | 42 | Wife | Restaurant | Germany |
| 12 | Charlotte Reinhardt | 21 | Daughter | Typist | Germany |
| 13 | Harold Reinhardt | 10 | Son | — | New York |
| 14 | Albert Fuchier | 43 | Lodger | Porter | Germany |
| 15 | Theresa Fuchier | 44 | Lodger | — | Germany |
| 16 | James Farrell | 64 | Head | Plumber | New York |
| 17 | Mary Farrell | 61 | Wife | — | New York |
| 18 | James Farrell | 39 | Son | Cable Inspector | New York |
| 19 | William Farrell | 32 | Son | Meter Reader | New York |
| 20 | Dorothea Farrell | 18 | Daughter | — | New York |
| 21 | Veronica Farrell | 18 | Daughter | — | New York |
| 22 | Valentine Delaney | 42 | Head | Construction Work | Eire |
| 23 | Elizabeth Delaney | 42 | Wife | — | Massachusetts |
| 24 | Vincent Delaney | 11 | Son | — | New Jersey |
| 25 | John Delaney | 7 | Son | — | New York |
| 26 | William Delaney | 4 | Son | — | New York |
| 27 | Cosmo Gronci | 45 | Lodger | Shoemaker | Italy |
| 28 | Harris Vicoloos | 43 | Head | Loader | Greece |
| 29 | Mary Vicoloos | 42 | Wife | — | Eire |
| 30 | Nicholas Vicoloos | 19 | Son | Messenger | New York |
| 31 | Margaret Vicoloos | 18 | Daughter | New Worker | New York |
| 32 | George Vicoloos | 13 | Son | — | New York |
| 33 | Martin Vicoloos | 7 | Son | — | New York |
| 34 | James Finn | 50 | Head | Feeding Print Machines | Eire |
| 35 | Mary Finn | 48 | Wife | Chambermaid | Eire |
| 36 | Peter Finn | 26 | Son | Refrigeration Mechanic | New York |
| 37 | Rita Finn | 17 | Daughter | — | New York |
| 38 | Patrick Finn | 16 | Son | — | New York |
| 39 | Agnes Finn | 14 | Daughter | — | New York |
| 40 | John Finn THIS PERSON | 12 | Son | — | 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)