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.~1921), then head of a 7-person household.
Age 19
b. ~1921
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 | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| Mary Finn | Daughter | — | 20 | ~1920 |
| John Finn | Son | — | 19 | ~1921 |
| Mary Finn | Spouse | — | 49 | ~1891 |
| James Finn | Son | — | 16 | ~1924 |
| Bernard Finn | Head | — | 52 | ~1888 |
| Thomas Finn | Son | — | 12 | ~1928 |
| Bernard Finn | Son | — | 14 | ~1926 |
Census Appearances
1930
New York, …
Son, age 8
New York, New York · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fino |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 19
Bronx-County, New York · implied b. ~1921 — 7 household members
| Surname | Finn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Highest Grade | C 2 |
| 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 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 19 · b. ~1921 · New York
★ You are viewing this record
Sibling
Bernard Finn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Finn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Finn
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Finn
Sibling · 1940 · age 20
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-t0627-02475-00016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernard Mc Cann | 5 | Son | — | New York |
| 2 | Raymond Mc Cann | 3 | Son | — | New York |
| 3 | Peter Dolan | 40 | Head | Manager | Eire |
| 4 | Margaret Dolan | 36 | Wife | — | Eire |
| 5 | Mary Dolan | 13 | Daughter | — | New York |
| 6 | Charles Dolan | 8 | Son | — | New York |
| 7 | Peter Dolan | 6 | Son | — | New York |
| 8 | Margaret Dolan | 11 | Daughter | — | New York |
| 9 | Walter Bronka | 27 | Head | Janitor | New York |
| 10 | Elizabeth Bronka | 23 | Wife | — | Ohio |
| 11 | Daniel Hunt | 49 | Head | Tunnel Builder | Eire |
| 12 | Mary Hunt | 48 | Wife | — | Eire |
| 13 | Mary Hunt | 19 | Daughter | New Worker | New York |
| 14 | Catherine Hunt | 15 | Daughter | — | New York |
| 15 | Daniel Hunt | 12 | Son | — | New York |
| 16 | Thomas Hunt | 11 | Son | — | New York |
| 17 | Hubert Hynes | 33 | Lodger | Lab For Track | Eire |
| 18 | Anthony Clancy | 34 | Head | Mechanic | Eire |
| 19 | Mary Clancy | 33 | Wife | — | Eire |
| 20 | Nora Clancy | 8 | Daughter | — | New York |
| 21 | Michael Clancy | 2 | Son | — | New York |
| 22 | Leo Levy | 77 | Head | — | Germany |
| 23 | Mitalda Levy | 45 | Daughter | — | New York |
| 24 | Alice Mason | 56 | Head | Housekeeper | Eire |
| 25 | Ellen Mason | 74 | Mother | — | Eire |
| 26 | Patrick Mason | 38 | Brother | — | Eire |
| 27 | Walter Steele | 39 | Head | Fireman | Scotland |
| 28 | Catherine Steele | 55 | Mother | — | Scotland |
| 29 | Charles Flynn | 61 | Head | Rigger | Sweden |
| 30 | Ellen Flynn | 55 | Wife | — | Sweden |
| 31 | Charles Flynn | 25 | Son | New Worker | New York |
| 32 | Bernard Finn | 52 | Head | Fireman | Eire |
| 33 | Mary Finn | 49 | Wife | — | Eire |
| 34 | Mary Finn | 20 | Daughter | — | New York |
| 35 | John Finn THIS PERSON | 19 | Son | — | New York |
| 36 | James Finn | 16 | Son | — | New York |
| 37 | Bernard Finn | 14 | Son | — | New York |
| 38 | Thomas Finn | 12 | Son | — | New York |
| 39 | Francis Doyle | 47 | Head | Carrier | New York |
| 40 | Jane Doyle | 40 | Wife | — | 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)