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James Dugan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this James Dugan across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Garwood |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Garwood |
| Est. Birth Year | ~1929 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Regina Dugan | Spouse | — | 43 | ~1897 |
| James Dugan | Son | — | 11 | ~1929 |
| Daniel Dugan | Head | — | 49 | ~1891 |
| Thomas Dugan | Son | — | 9 | ~1931 |
| Mary Dugan | Daughter | — | 7 | ~1933 |
| Daniel Dugan | Son | — | 15 | ~1925 |
Census Appearances
1930
Hudson, New …
Son, age 1
Hudson, New Jersey · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 11
Union-County, New Jersey · implied b. ~1929 — 6 household members
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Garwood |
| 1935 Residence (County) | Union |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 11 · b. ~1929 · New Jersey
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Sibling
Mary Dugan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Dugan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dugan
Sibling · 1940 · age 9
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02385-00514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albin Karlberk | 41 | Head | Machinist | Germany |
| 42 | Elsa Karlberk | 41 | Wife | — | Germany |
| 43 | Doris Karlberk | 17 | Daughter | Cleaner | Germany |
| 44 | Waldemar Karlberk | 23 | Son | — | Germany |
| 45 | Joseph Maditz | 45 | Head | Die Caster | Austria |
| 46 | Cristine Maditz | 42 | Wife | — | Hungary |
| 47 | Phillip Maditz | 10 | Son | — | New Jersey |
| 48 | John Maditz | 9 | Son | — | New Jersey |
| 49 | Francis E. Hilbrandt | 56 | Head | Carpenter | New York |
| 50 | Elizabeth B. Hilbrandt | 46 | Wife | — | England |
| 51 | Frances M. Hilbrandt | 17 | Daughter | Cleaner | New York |
| 52 | Kathleen Hilbrandt | 16 | Daughter | — | New York |
| 53 | Francis E. Hilbrandt | 8 | Son | — | New Jersey |
| 54 | Daniel J. Dugan | 49 | Head | Moulder | Pennsylvania |
| 55 | Regina Dugan | 43 | Wife | — | New York |
| 56 | Daniel J. Jr. Dugan | 15 | Son | — | New Jersey |
| 57 | James Dugan THIS PERSON | 11 | Son | — | New Jersey |
| 58 | Thomas Dugan | 9 | Son | — | New Jersey |
| 59 | Mary Ann Dugan | 7 | Daughter | — | New Jersey |
| 60 | Carmine Guerriero | 55 | Head | Mason | Italy |
| 61 | Olympia Guerriero | 57 | Wife | — | Italy |
| 62 | Vincent Guerriero | 25 | Son | Gate Punch | New Jersey |
| 63 | Virginia Guerriero | 24 | Daughter | Sec | New Jersey |
| 64 | Anthony Guerriero | 19 | Son | Mechanic | New Jersey |
| 65 | Linda Guerriero | 16 | Daughter | — | New Jersey |
| 66 | Carmine Guerriero | 14 | Son | — | New Jersey |
| 67 | Antonio Riccardo | 28 | Head | Manager | New Jersey |
| 68 | Gerantina Riccardo | 30 | Wife | Secretary | Italy |
| 69 | Ann Riccardo | 2 | Daughter | — | New Jersey |
| 70 | John Kanca | 44 | Head | Boiler Maker | Austria |
| 71 | Mary Kanca | 43 | Wife | Housework | Czechoslovakia |
| 72 | Ann Kanca | 21 | Daughter | Packer | New Jersey |
| 73 | Frank Kanca | 19 | Son | Shipper | New Jersey |
| 74 | Eva Kanca | 18 | Daughter | Packer | New Jersey |
| 75 | John J. Kanca | 17 | Son | — | New Jersey |
| 76 | Lydia Collins | 64 | Head | — | New York |
| 77 | Thomas Collins | 38 | Son | Die Caster | New York |
| 78 | Joseph Barberie | 25 | Head | Maintenance | New Jersey |
| 79 | Julia Barberie | 25 | Wife | — | New Jersey |
| 80 | Gustave Lang | 80 | Head | Retired | 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)