JI
James Irwin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this James Irwin across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Irwin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 250 |
| Income (1939) | 501 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Truck Driver |
| Township / Ward | New York City |
| Est. Birth Year | ~1911 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Irwin | Head | — | 29 | ~1911 |
| Margaret Irwin | Spouse | — | 28 | ~1912 |
| James Irwin | Son | — | 3 | ~1937 |
| Lawrence Irwin | Son | — | 2 | ~1938 |
| Michael Irwin | Son | — | ~1940 | |
| Dorothy Irwin | Daughter | — | 5 | ~1935 |
| Beverly Irwin | Daughter | — | 6 | ~1934 |
Census Appearances
1930
New York, …
Son, age 15
New York, New York · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Irwin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
New-York-County, New …
Head, age 29
New-York-County, New York · implied b. ~1911 — 7 household members
| Surname | Irwin |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Occupation | Truck Driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 250 |
| Income (1939) | 501 |
| Highest Grade | H 3 |
| 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 Irwin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Irwin
Head · 1940 · age 29 · b. ~1911 · 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 — New-York-County, New York
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1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02629-00366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abelia Castro | 17 | Daughter | New Worker | New York |
| 2 | John Castro | 11 | Son | — | New York |
| 3 | Virginia Castro | 9 | Daughter | — | New York |
| 4 | Vincent Fauriello | 67 | Head | — | Italy |
| 5 | Philomena Fauriello | 64 | Wife | — | Italy |
| 6 | Joseph Fauriello | 44 | Son | Porter | New York |
| 7 | Anthony Fauriello | 35 | Son | Repairman | New York |
| 8 | John Fauriello | 25 | Son | Truck Driver | New York |
| 9 | Louise Wolff | 32 | Head | Picker | Penna. |
| 10 | Jean Wolff | 14 | Daughter | — | Ohio |
| 11 | Henry Wolff | 10 | Nephew | — | New York |
| 12 | Levil Wolff | 19 | Brother | Vendor | Penna. |
| 13 | Sam Wolff | 25 | Brother | Laborer | Penna. |
| 14 | Margaret Houlihan | 63 | Head | — | New York |
| 15 | George Mulligan | 77 | Brother | — | New York |
| 16 | Joseph Mulligan | 15 | Nephew | — | New York |
| 17 | Bertha Lefon | 43 | Head | — | Greece |
| 18 | Anna Lefon | 22 | Daughter | Machine Op. | New York |
| 19 | Agustus Lefon | 21 | Son | Floor Boy | New York |
| 20 | Despina Lefon | 18 | Son | Machine Op. | New York |
| 21 | Effie Lefon | 16 | Daughter | — | New York |
| 22 | John Lefon | 13 | Son | — | New York |
| 23 | Sarah Lefon | 11 | Daughter | — | New York |
| 24 | Nicholas Lefon | 8 | Son | — | New York |
| 25 | Edward Messina | 49 | Head | — | New York |
| 26 | Anna Messina | 41 | Wife | — | New York |
| 27 | Edward Messina | 19 | Son | Draftsman | New York |
| 28 | Florence Messina | 16 | Daughter | — | New York |
| 29 | Margaret Messina | 8 | Daughter | — | New York |
| 30 | Anda Messina | 5 | Daughter | — | New York |
| 31 | James Irwin THIS PERSON | 29 | Head | Truck Driver | New York |
| 32 | Margaret Irwin | 28 | Wife | — | New York |
| 33 | Beverly Irwin | 6 | Daughter | — | New York |
| 34 | Dorothy Jane Irwin | 5 | Daughter | — | New York |
| 35 | James Irwin | 3 | Son | — | New York |
| 36 | Lawrence Irwin | 2 | Son | — | New York |
| 37 | Michael Irwin | 0 | Son | — | New York |
| 38 | Jean Burns | 24 | Head | — | New York |
| 39 | George Burns | 5 | Son | — | New York |
| 40 | George Tentsos | 53 | Head | Salesman | Greece |
Related Census Records
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)