JK
John Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this John Kirk across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1925 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Kirk | Son | — | 15 | ~1925 |
| Charles Kirk | Son | — | 13 | ~1927 |
| Rose Kirk | Daughter | — | 14 | ~1926 |
| Teresa Kirk | Daughter | — | 7 | ~1933 |
| Michael Kirk | Head | — | 41 | ~1899 |
| Anne Kirk | Daughter | — | 1 | ~1939 |
| Anna Kirk | Spouse | — | 37 | ~1903 |
| Catherine Kirk | Daughter | — | 12 | ~1928 |
| Eugene Kirk | Son | — | 8 | ~1932 |
| Michael Kirk | Son | — | 10 | ~1930 |
Census Appearances
1930
Kings, New …
Son, age 5
Kings, New York · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 15
Kings-County, New York · implied b. ~1925 — 10 household members
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| 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 Kirk across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kirk
Son · 1940 · age 15 · b. ~1925 · New York
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Sibling
Catherine Kirk
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Kirk
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Kirk
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Kirk
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Kirk
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Kirk
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Kirk
Sibling · 1940 · age 13
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 — 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-t0627-02585-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie Maricario | 15 | Daughter | — | New York |
| 2 | Domenica Maricario | 13 | Daughter | — | New York |
| 3 | Mary Minella | 53 | Head | — | Italy |
| 4 | Dorothy Minella | 23 | Daughter | Packer | New York |
| 5 | Tessie Minella | 21 | Daughter | Seamstress | New York |
| 6 | Louis Minella | 18 | Son | Laborer | New York |
| 7 | Julia Minella | 16 | Daughter | — | New York |
| 8 | Philip Minella | 10 | Son | — | New York |
| 9 | Fred Petraniello | 26 | Son-in-law | Proprietor | New York |
| 10 | Anne Petraniello | 26 | Daughter | — | New York |
| 11 | Michael Kirk | 41 | Head | — | New York |
| 12 | Anna Kirk | 37 | Wife | — | New York |
| 13 | John Kirk THIS PERSON | 15 | Son | — | New York |
| 14 | Rose Mary Kirk | 14 | Daughter | — | New York |
| 15 | Charles Kirk | 13 | Son | — | New York |
| 16 | Michael Jr. Kirk | 10 | Son | — | New York |
| 17 | Catherine Kirk | 12 | Daughter | — | New York |
| 18 | Eugene Kirk | 8 | Son | — | New York |
| 19 | Teresa Kirk | 7 | Daughter | — | New York |
| 20 | Anne Kirk | 1 | Daughter | — | New York |
| 21 | Isabella Brown | 56 | Head | — | New York |
| 22 | George Mcsheffory | 59 | Lodger | — | New York |
| 23 | Nat Bellantone | 54 | Head | Laborer | Italy |
| 24 | Virginia Bellantone | 49 | Wife | — | New York |
| 25 | Anthony Bellantone | 23 | Son | Laborer | New York |
| 26 | Lena Bellantone | 18 | Daughter | — | New York |
| 27 | Gregory Bellantone | 14 | Son | — | New York |
| 28 | Jessie Bellantone | 10 | Daughter | — | New York |
| 29 | Rocco Bellantone | 31 | Head | Laborer | New York |
| 30 | Bessie Bellantone | 26 | Wife | — | New York |
| 31 | Gregory Bellantone | 3 | Son | — | New York |
| 32 | Peter Bellantone | 3 | Son | — | New York |
| 33 | Peter Fodaro | 52 | Head | Longshoreman | Italy |
| 34 | Margaret Fodaro | 46 | Wife | — | Italy |
| 35 | Frank Fodaro | 25 | Son | — | New York |
| 36 | Anna Fodaro | 19 | Daughter | Packer | New York |
| 37 | Angelo Fodaro | 18 | Son | Floor Worker | New York |
| 38 | Robert Fodaro | 15 | Son | — | New York |
| 39 | Max Fodaro | 11 | Son | — | New York |
| 40 | Josephine Fodaro | 8 | Daughter | — | 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)