WD
William Dunn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this William Dunn across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents Anna & Thomas — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson City |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Twister |
| Industry | Silk Mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 48 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Twister |
| Township / Ward | Paterson 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Dunn | Daughter | — | 26 | ~1914 |
| Thomas Dunn | Head | — | 65 | ~1875 |
| Andrew Dunn | Son | — | 34 | ~1906 |
| William Dunn | Son | — | 29 | ~1911 |
| James Dunn | Son | — | 25 | ~1915 |
| Ellen Dunn | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Passaic, New …
Son, age 9
Passaic, New Jersey · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Son, age 19
Passaic, New Jersey · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Son, age 29
Passaic-County, New Jersey · implied b. ~1911 — 6 household members
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson City |
| 1935 Residence (County) | Passaic |
| Occupation | Twister |
| Industry | Silk Mill |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 48 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 William Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Dunn (~0.92 confidence) and father Thomas Dunn (~0.92 confidence) and father Thomas Dunn (~0.92 confidence) and mother Ellen Dunn (~0.92 confidence) and mother Ellen Dunn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Dunn
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Thomas Dunn
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Thomas Dunn
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Ellen Dunn
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ellen Dunn
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Dunn
Son · 1940 · age 29 · b. ~1911 · New Jersey
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Sibling
James Dunn
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Dunn
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Dunn
Sibling · 1940 · age 34
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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02432-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis Ristan | 11 | Daughter | — | New Jersey |
| 2 | William Ristan | 7 | Son | — | New Jersey |
| 3 | Stanley Plekun | 51 | Head | Proprietor | Poland |
| 4 | Stefani Plekun | 44 | Wife | Clerk | Poland |
| 5 | Victoria Plekun | 22 | Daughter | Inspector | New Jersey |
| 6 | Regina Plekun | 16 | Daughter | — | New Jersey |
| 7 | Wanda Plekun | 12 | Daughter | — | New Jersey |
| 8 | Joseph D. Kiker | 32 | Head | Machinist Helper | New Jersey |
| 9 | Adele Kiker | 28 | Wife | Clerk | Conn |
| 10 | James Lawless | 55 | Head | Truck Driver | New Jersey |
| 11 | Josephine Lawless | 49 | Wife | — | New Jersey |
| 12 | Helen Lawless | 20 | Daughter | New Worker | New Jersey |
| 13 | Josephine Lawless | 19 | Daughter | New Worker | New Jersey |
| 14 | James Lawless | 18 | Son | New Worker | New Jersey |
| 15 | Joseph D. Keischan | 74 | Head | Proprietor | New York |
| 16 | Thomas Dunn | 65 | Head | — | New York |
| 17 | Ellen Dunn | 54 | Wife | — | New Jersey |
| 18 | Andrew Dunn | 34 | Son | Bus Driver | New Jersey |
| 19 | William Dunn THIS PERSON | 29 | Son | Twister | New Jersey |
| 20 | Catherine Dunn | 26 | Daughter | — | New Jersey |
| 21 | James Dunn | 25 | Son | Laborer | New Jersey |
| 22 | Mae Dunn | 50 | Head | Book Clerk | New Jersey |
| 23 | Edmund Dunn | 24 | Son | Printer | New Jersey |
| 24 | Thomas Walsh | 65 | Head | — | New Jersey |
| 25 | Annie Walsh | 64 | Wife | — | New Jersey |
| 26 | James Walsh | 36 | Son | Truck Driver | New Jersey |
| 27 | Robert Walsh | 32 | Son | Clerk | New Jersey |
| 28 | Mary Cassidy | 58 | Head | — | New Jersey |
| 29 | Andrew Cassidy | 56 | Brother | Boiler Maker | New Jersey |
| 30 | Mary Cassidy | 46 | Sister-in-law | Billing | New York |
| 31 | Joseph Casazza | 37 | Head | Roofer | Italy |
| 32 | Helen Casazza | 34 | Wife | — | Germany |
| 33 | James Mercadante | 26 | Head | Printer Helper | Italy |
| 34 | Lillian Mercadante | 23 | Wife | — | New Jersey |
| 35 | Angelo Antonicci | 27 | Head | Manager | New Jersey |
| 36 | Josephine Antonicci | 26 | Wife | — | New Jersey |
| 37 | John Antonicci | 4 | Son | — | New Jersey |
| 38 | Victor Pugnelli | 36 | Head | Baker | New Jersey |
| 39 | Helen Pugnelli | 30 | Wife | — | New Jersey |
| 40 | Maura Pugnelli | 4 | Daughter | — | New Jersey |
Pedigree Summary
William + 3 siblings
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)