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James Dugan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this James Dugan across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York NY |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Dugan | Daughter | — | 20 | ~1920 |
| James Dugan | Son | — | 13 | ~1927 |
| Arline Dugan | Daughter | — | 11 | ~1929 |
| Michael Dugan | Head | — | 50 | ~1890 |
| Ellen Dugan | Spouse | — | 50 | ~1890 |
| Michael Dugan | Son | — | 18 | ~1922 |
| Barbara Dugan | Daughter | — | 4 | ~1936 |
| John Dugan | Son | — | 21 | ~1919 |
| Daniel Dugan | Son | — | 10 | ~1930 |
Census Appearances
1930
New York, …
Son, age 3
New York, New York · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | N.Y. |
| Mother's Birthplace | N.Y. |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Son, age 13
New-York-County, New York · implied b. ~1927 — 9 household members
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York NY |
| Highest Grade | No 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 Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dugan
Son · 1940 · age 13 · b. ~1927 · New York
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Sibling
Margaret Dugan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dugan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Dugan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arline Dugan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Dugan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Dugan
Sibling · 1940 · age 18
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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02653-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Theodore J Lang | 76 | Head | Private Family | New York |
| 42 | Etta Lang | 62 | Wife | — | New York |
| 43 | Maliss Lang | 55 | Daughter | Dress Maker | New York |
| 44 | Gladys Platt | 21 | Head | Artist | Colorado |
| 45 | Novak Jaroslav | 56 | Head | Publisher | Czechoslovakia |
| 46 | Beatrice Jaroslav | 35 | Wife | — | Czechoslovakia |
| 47 | Michael Dugan | 50 | Head | Street Cleaner | Irish Free State |
| 48 | Ellen Dugan | 50 | Wife | — | Irish Free State |
| 49 | John J Dugan | 21 | Son | Clerk | New York |
| 50 | Margaret Dugan | 20 | Daughter | Saleswoman | New York |
| 51 | Michael Jr Dugan | 18 | Son | New Worker | New York |
| 52 | James Dugan THIS PERSON | 13 | Son | — | New York |
| 53 | Arline Dugan | 11 | Daughter | — | New York |
| 54 | Daniel Dugan | 10 | Son | — | New York |
| 55 | Barbara Dugan | 4 | Daughter | — | New York |
| 56 | John Wallash | 63 | Head | Watchman | Irish Free State |
| 57 | Mary Wallash | 60 | Wife | — | Irish Free State |
| 58 | Donald Wallash | 30 | Son | New Worker | Irish Free State |
| 59 | James Wallash | 25 | Son | Operator | Irish Free State |
| 60 | Matthew Wallash | 22 | Son | Watchman | Irish Free State |
| 61 | Dennis Wallash | 20 | Son | New Worker | Irish Free State |
| 62 | Mary Wallash | 27 | Daughter | Saleswoman | Irish Free State |
| 63 | Patrick Coyne | 62 | Head | Chauffer | Irish Free State |
| 64 | Margaret Coyne | 57 | Wife | — | Irish Free State |
| 65 | Francis Coyne | 20 | Son | Messenger | New York |
| 66 | Margaret Coyne | 17 | Daughter | — | New York |
| 67 | Catherine Coyne | 12 | Daughter | — | New York |
| 68 | Catherine O'Rourke | 76 | Aunt | — | Irish Free State |
| 69 | John Lennon | 56 | Head | Guard | Irish Free State |
| 70 | Anna Lennon | 55 | Wife | — | Irish State |
| 71 | Elizabeth Lennon | 24 | Daughter | Secretary | New York |
| 72 | John Lennon | 22 | Son | Clerk | New York |
| 73 | Anna Lennon | 20 | Daughter | New Worker | New York |
| 74 | Catherine Lennon | 18 | Daughter | — | New York |
| 75 | Francis Lennon | 15 | Son | — | New York |
| 76 | Anna Farley | 38 | Head | — | New York |
| 77 | Anna Farley | 67 | Aunt | — | New York |
| 78 | James Stockall | 37 | Head | Chauffer | England |
| 79 | Jennie Stockall | 33 | Wife | — | France |
| 80 | Claudette Stockall | 5 | 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)