JL
John Larkin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this John Larkin across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 10-person household.
Age 43
b. ~1897
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Larkin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Foreman |
| Industry | School |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1275 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Foreman |
| Township / Ward | New York City |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| Anna Larkin | Daughter | — | — | |
| John Larkin | Head | — | 43 | ~1897 |
| James Cahalan | Other | — | 45 | ~1895 |
| Harry O'Toole | Other | — | 36 | ~1904 |
| Eugene Larkin | Son | — | 12 | ~1928 |
| Vincent Larkin | Son | — | 8 | ~1932 |
| James Larkin | Son | — | 4 | ~1936 |
| John Larkin | Son | — | 14 | ~1926 |
| Bernard Larkin | Son | — | 1 | ~1939 |
| Anna Larkin | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Kings, New …
Other, age 28
Kings, New York · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | John J. |
| Relationship to Head | Brother in law |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | bookkeeper |
| Industry | office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1920 |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Head, age 37
Kings, New York · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Gas Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Head, age 43
Kings-County, New York · implied b. ~1897 — 10 household members
| Surname | Larkin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Occupation | Foreman |
| Industry | School |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1275 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Larkin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Larkin
Head · 1940 · age 43 · b. ~1897 · 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-t0627-02611-00390)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Murray | 57 | Head | Layman | New York |
| 42 | Alice Murray | 54 | Wife | Housewife | New York |
| 43 | Martin Margaret Murray | 31 | Daughter | Clerk | New York |
| 44 | Alice Murray | 12 | Granddaughter | — | New York |
| 45 | George Murray | 11 | Grandson | — | New York |
| 46 | David Murray | 3 | Grandson | — | New York |
| 47 | Hattie Mccauley | 57 | Sister-in-law | Laundress | New York |
| 48 | John Price | 52 | Head | Laborer | New York |
| 49 | Mary Price | 44 | Wife | Housewife | New York |
| 50 | John Price | 28 | Son | Clerk | New York |
| 51 | Edward Price | 19 | Son | College | New York |
| 52 | Catherine Price | 16 | Daughter | — | New York |
| 53 | Charles Price | 13 | Son | — | New York |
| 54 | Charles Price | 40 | Brother | Elevator Operator | New York |
| 55 | Anna Graham | 70 | Head | Housewife | Ireland |
| 56 | James Price | 65 | Brother | Mechanic | Ireland |
| 57 | Agnes Goodwin | 50 | Lodger | Registered Nurse | New York |
| 58 | Charles Merriott | 52 | Lodger | Salesman | New York |
| 59 | Dennis Flaherty | 59 | Head | Searcher Of Records | Ireland |
| 60 | Mary T. Flaherty | 57 | Wife | Housewife | Ireland |
| 61 | Patrick Campbell | 44 | Head | Compositor | Ireland |
| 62 | Theresa Campbell | 40 | Wife | Housewife | Ireland |
| 63 | Mary Campbell | 20 | Daughter | Stenographer | Ireland |
| 64 | Edward Campbell | 18 | Son | Messenger Boy | Scotland |
| 65 | Mary Campbell | 13 | Daughter | — | New York |
| 66 | Patrick Campbell | 11 | Son | — | New York |
| 67 | John Larkin THIS PERSON | 43 | Head | Foreman | Ireland |
| 68 | Anna Larkin | 40 | Wife | Housewife | Ireland |
| 69 | John Jr. Larkin | 14 | Son | — | Ireland |
| 70 | Eugene Larkin | 12 | Son | — | Ireland |
| 71 | Vincent Larkin | 8 | Son | — | New York |
| 72 | James Larkin | 4 | Son | — | New York |
| 73 | Bernard Larkin | 1 | Son | — | New York |
| 74 | Anna May Larkin | None | Daughter | — | New York |
| 75 | Harry O'Toole | 36 | Lodger | Gauger | New York |
| 76 | James Cahalan | 45 | Lodger | Porter | Ireland |
| 77 | Frank E. Mirus | 59 | Head | Milk Man | New York |
| 78 | Ellen Mirus | 63 | Wife | Housewife | Ireland |
| 79 | Doris Mirus | 33 | Daughter | Office Manager | New York |
| 80 | Joseph Murray | 59 | Lodger | Foreman | 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)