JL
James Larkin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Larkin across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Sanitation |
| Industry | Sanitation |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Sanitation |
| Township / Ward | New York City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| J Larkin | Head | — | 50 | ~1890 |
| Charles Larkin | Son | — | 21 | ~1919 |
| James Larkin | Son | — | 27 | ~1913 |
| Martha Larkin | Spouse | — | 46 | ~1894 |
Census Appearances
1920
New York, …
Son, age 6
New York, New York · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 17
New York, New York · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Helper |
| Industry | Electric Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 27
Kings-County, New York · implied b. ~1913 — 4 household members
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Sanitation |
| Industry | Sanitation |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | 8 |
| 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 James Larkin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Larkin (~0.92 confidence) and father Edward Larkins (~0.92 confidence) and father J Larkin (~0.92 confidence) and mother Florence Larkin (~0.92 confidence) and mother Martha Larkin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Larkin
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Edward Larkins
b. ~1877
Source father
● Household
· direct · ~0.92
Father
J Larkin
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Florence Larkin
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Martha Larkin
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Larkin
Son · 1940 · age 27 · b. ~1913 · New York
★ You are viewing this record
Sibling
Charles Larkin
Sibling · 1940 · age 21
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-t0627-02596-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Loos | 33 | Head | Furrier | Russia |
| 2 | Rose Loos | 31 | Wife | — | Russia |
| 3 | Frances Loos | 10 | Daughter | — | New York |
| 4 | Stanley Loos | 4 | Son | — | New York |
| 5 | Fred Pellechia | 26 | Head | Truck Driver | New York |
| 6 | Jeanette Pellechia | 26 | Wife | — | New York |
| 7 | Buddy Pellechia | 1 | Son | — | New York |
| 8 | Harold Hardy | 48 | Head | Matron | New York |
| 9 | John Ross | 55 | Head | Barkeeper | New York |
| 10 | Liberty Ross | 53 | Wife | — | Italy |
| 11 | Stefani Leeking | 27 | Nephew | Electrician | New York |
| 12 | Sam Witzer | 49 | Head | Proprietor | New York |
| 13 | Dora Witzer | 42 | Wife | Helper | New York |
| 14 | Sidney Witzer | 22 | Son | Helper | New York |
| 15 | Joseph Guelpa | 39 | Head | Electrician | New York |
| 16 | Helen Guelpa | 35 | Wife | — | New York |
| 17 | John Guelpa | 74 | Father | Rigger | Italy |
| 18 | Louis Dorn | 45 | Head | Salesman | Italy |
| 19 | Anita Dorn | 45 | Wife | — | New York |
| 20 | Marie Dorn | 25 | Daughter | Cashier | New York |
| 21 | Sidney Below | 54 | Head | Cook | Russia |
| 22 | Grace Below | 35 | Wife | Dressmaker | New York |
| 23 | Joseph Below | 7 | Son | — | New York |
| 24 | Jack Krockick | 27 | Head | Blocker | New York |
| 25 | Henri Krockick | 26 | Wife | — | New York |
| 26 | Carol Krockick | 1 | Daughter | — | New York |
| 27 | J. Charles Larkin | 50 | Head | Bartender | Ohio |
| 28 | Martha Larkin | 46 | Wife | — | New York |
| 29 | James Larkin THIS PERSON | 27 | Son | Sanitation | New York |
| 30 | Charles Larkin | 21 | Son | File Clerk | New York |
| 31 | William Mccann | 35 | Head | Handyman | New York |
| 32 | Caroline Mccann | 33 | Wife | — | New York |
| 33 | Nicholas Mavros | 42 | Boarder | Counterman | Greece |
| 34 | Sigmund Halpern | 58 | Head | Electrician | New York |
| 35 | Elsie Halpern | 48 | Wife | — | New York |
| 36 | Jack Halpern | 27 | Son | Electrician | New York |
| 37 | Claire Halpern | 21 | Daughter | Clerk | New York |
| 38 | Helen Halpern | 16 | Daughter | — | New York |
| 39 | George Kaike | 51 | Head | Cook | Japan |
| 40 | Shine | 51 | Boarder | Cook | Japan |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)