WC
William Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this William Clark across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents James & Annie — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Clark |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Hasbrouck Heights Borough |
| 1935 Residence (County) | Bergen |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 7 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Painter |
| Township / Ward | Hasbrouck Heights Borough |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Wilma Clark | Daughter | — | 5 | ~1935 |
| Margaret Clark | Daughter | — | 12 | ~1928 |
| William Clark | Head | — | 38 | ~1902 |
| Matilda Clark | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Bergen, New …
Son, age 18
Bergen, New Jersey · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1909 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Mill hand |
| Industry | Textiles |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Bergen, New …
Head, age 29
Bergen, New Jersey · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Bergen-County, New …
Head, age 38
Bergen-County, New Jersey · implied b. ~1902 — 4 household members
| Surname | Clark |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Hasbrouck Heights Borough |
| 1935 Residence (County) | Bergen |
| Naturalization Status | Naturalized |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 7 |
| 1935 Residence | Same house |
| 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 William Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Clark (~0.92 confidence) and mother Annie Clark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Clark
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Annie Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Clark
Head · 1940 · age 38 · b. ~1902 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02316-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Bishop | 31 | head | Operator | New Jersey |
| 2 | Jennie Bishop | 26 | wife | — | New Jersey |
| 3 | Emil Bishop | 5 | son | — | New Jersey |
| 4 | Anthony Ventiglioni | 44 | head | Labor | Italy |
| 5 | Josephine Ventiglioni | 44 | wife | — | Italy |
| 6 | Louis Ventiglioni | 11 | son | — | New Jersey |
| 7 | Eugene Ventiglioni | 11 | son | — | New Jersey |
| 8 | John Lo-Re | 47 | head | Manufacturer | Italy |
| 9 | Maria Lo-Re | 41 | wife | — | Italy |
| 10 | Lawrence Lo-Re | 12 | son | — | New Jersey |
| 11 | Enrico Vassallo | 32 | head | Attendant | New Jersey |
| 12 | Mary Vassallo | 25 | wife | — | New Jersey |
| 13 | Mary Ann Vassallo | 3 | daughter | — | New Jersey |
| 14 | Nancy Vassallo | 1 | son | — | New Jersey |
| 15 | Christian Christianson | 47 | head | Nurseryman | New Jersey |
| 16 | Marie Christianson | 43 | wife | — | New Jersey |
| 17 | Christian Jr. Christianson | 25 | son | Clerk | New Jersey |
| 18 | Frank Christianson | 21 | son | Machinist | New Jersey |
| 19 | Christine Christianson | 18 | daughter | — | New Jersey |
| 20 | Jane Christianson | 9 | daughter | — | New Jersey |
| 21 | Chris Knoll | 52 | head | Platform Man | New Jersey |
| 22 | Mamie Knoll | 47 | wife | — | New Jersey |
| 23 | Elwood Knoll | 21 | son | Labor | New Jersey |
| 24 | Christopher Knoll | 19 | son | New Worker | New Jersey |
| 25 | Doris Knoll | 15 | daughter | — | New Jersey |
| 26 | Lester Knoll | 8 | son | — | New Jersey |
| 27 | Frank Liberato | 33 | head | Glassblower | Italy |
| 28 | Caroline Liberato | 28 | wife | — | New Jersey |
| 29 | Rachel Liberato | 7 | daughter | — | New Jersey |
| 30 | Edward Baur | 40 | head | Carpenter | New York |
| 31 | Ann Baur | 36 | wife | — | New Jersey |
| 32 | Patricia Baur | 8 | daughter | — | New Jersey |
| 33 | Eileen Baur | 6 | daughter | — | New Jersey |
| 34 | Edwin Baur | 5 | son | — | New Jersey |
| 35 | William Clark THIS PERSON | 38 | head | Painter | Scotland |
| 36 | Matilda Clark | 40 | wife | Cigar Packer | New Jersey |
| 37 | Margaret Clark | 12 | daughter | — | New Jersey |
| 38 | Wilma Clark | 5 | daughter | — | New Jersey |
| 39 | Emmet Corbari | 57 | head | Sawyer | Italy |
| 40 | Helen Corbari | 51 | wife | — | New York |
Pedigree Summary
William
Gen 1 · 2 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)