JD
James Duncan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this James Duncan across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 12-person household.
Age 59
b. ~1881
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Duncan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New Rochelle City |
| 1935 Residence (County) | Westchester |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Painter |
| Industry | Buildings |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Painter |
| Township / Ward | New Rochelle City |
| Est. Birth Year | ~1881 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Duncan | Daughter | — | 18 | ~1922 |
| Marion Duncan | Daughter | — | 22 | ~1918 |
| Alice Duncan | Daughter | — | 12 | ~1928 |
| Gertrude Duncan | Daughter | — | 17 | ~1923 |
| Anna Duncan | Daughter | — | 14 | ~1926 |
| Helen Dillon | Daughter | — | 26 | ~1914 |
| Margaret Duncan | Daughter | — | 19 | ~1921 |
| Dorothy Duncan | Daughter | — | 16 | ~1924 |
| James Duncan | Head | — | 59 | ~1881 |
| James Hurrie | Other | — | 70 | ~1870 |
| John Duncan | Son | — | 24 | ~1916 |
| Mary Duncan | Spouse | — | 57 | ~1883 |
Census Appearances
1930
Westchester, New …
Head, age 46
Westchester, New York · implied b. ~1884 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Painter |
| Industry | House |
| Class of Worker | W |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Westchester-County, New …
Head, age 59
Westchester-County, New York · implied b. ~1881 — 12 household members
| Surname | Duncan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | New Rochelle City |
| 1935 Residence (County) | Westchester |
| Naturalization Status | Naturalized |
| Occupation | Painter |
| Industry | Buildings |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Duncan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Duncan
Head · 1940 · age 59 · b. ~1881 · 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 — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02809-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Roney | 60 | Lodger | Carpenter | Scotland |
| 42 | Roderick Luce | 27 | Lodger | Salesman | Vermont |
| 43 | John Phillips | 28 | Lodger | Artist | Ohio |
| 44 | Joseph Moran | 23 | Lodger | Artist | New York |
| 45 | Martin Taras | 25 | Lodger | Artist | New York |
| 46 | Walter Crawford | 38 | Head | Chauffeur | New York |
| 47 | Margaret Crawford | 38 | Wife | Clerk | New York |
| 48 | Walter Crawford | 9 | Son | — | New York |
| 49 | Rufus Byrom | 38 | Head | Delivery Boy | Tennessee |
| 50 | Elizabeth Byrom | 29 | Wife | Bookkeeper | New Jersey |
| 51 | Elizabeth Byrom | 10 | Daughter | — | New Jersey |
| 52 | John Sturt | 41 | Head | Office Manager | Wales |
| 53 | Elizabeth Sturt | 39 | Wife | — | New York |
| 54 | John Sturt | 11 | Son | — | New York |
| 55 | Richard Sturt | 8 | Son | — | New York |
| 56 | Florence Hough | 56 | Head | — | Illinois |
| 57 | Gordon Hough | 21 | Son | — | Illinois |
| 58 | James Duncan THIS PERSON | 59 | Head | Painter | Scotland |
| 59 | Mary Duncan | 57 | Wife | — | Scotland |
| 60 | Helen Dillon | 26 | Daughter | Typist | New York |
| 61 | John Duncan | 24 | Son | Handler | Ireland |
| 62 | Marion Duncan | 22 | Daughter | Clerk | New York |
| 63 | Margaret Duncan | 19 | Daughter | — | New York |
| 64 | Elizabeth Duncan | 18 | Daughter | Sales Girl | New York |
| 65 | Gertrude Duncan | 17 | Daughter | — | New York |
| 66 | Dorothy Duncan | 16 | Daughter | — | New York |
| 67 | Anna Duncan | 14 | Daughter | — | New York |
| 68 | Alice Duncan | 12 | Daughter | — | New York |
| 69 | James Hurrie | 70 | Lodger | Laborer | Scotland |
| 70 | Tillie Atlas | 50 | Head | — | Russia |
| 71 | Joseph Atlas | 27 | Son | Salesman | New York |
| 72 | Samuel Atlas | 25 | Son | Salesman | New York |
| 73 | Charlie Atlas | 20 | Son | Salesman | New York |
| 74 | Rachael Atlas | 85 | Lodger | — | Russia |
| 75 | Morris Ranegia | 60 | Lodger | — | — |
| 76 | Isaac Moses | 45 | Head | Manufacturer | Poland |
| 77 | Gertrude Moses | 44 | Wife | Laundress | Germany |
| 78 | Manfred Moses | 15 | Son | — | Germany |
| 79 | Edgar Moses | 13 | Son | — | Germany |
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)