WC
William Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this William Clark across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Joseph & Mary — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Sign Painter |
| Industry | Advertising |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Sign Painter |
| Township / Ward | Newark City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Ruth Clark | Daughter | — | 1 | ~1939 |
| William Clark | Head | — | 30 | ~1910 |
| Joseph Clark | Son | — | 3 | ~1937 |
| Edith Clark | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Essex, New …
Son, age 9
Essex, New Jersey · implied b. ~1911 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 19
Essex, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Sign Painter |
| Industry | Sign Business |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Head, age 30
Essex-County, New Jersey · implied b. ~1910 — 4 household members
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Occupation | Sign Painter |
| Industry | Advertising |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1300 |
| Highest Grade | No 8 |
| 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 William Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Clark
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Clark
Head · 1940 · age 30 · b. ~1910 · 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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02424-00653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bridget Brady | 65 | Mother | — | Ireland |
| 42 | Joseph Nidocky | 51 | Head | Mason | Hungary |
| 43 | Vadelia Nidocky | 50 | Wife | — | Hungary |
| 44 | James Mcveil | 61 | Head | Watchman | Bohemia |
| 45 | Elizabeth Mcveil | 47 | Wife | — | Austria |
| 46 | Valentine Nowodworski | 56 | Head | — | Poland |
| 47 | Rose Romanosky | 53 | Lodger | Seamstress | New Jersey |
| 48 | Lena Alexander | 35 | Lodger | Packer | New Jersey |
| 49 | Rhina Nakone | 44 | Head | — | New Jersey |
| 50 | Robert Nakone | 20 | Son | Clerk | New Jersey |
| 51 | Frank Keller | 58 | Head | Jeweler | Germany |
| 52 | Pauline Keller | 59 | Wife | — | Germany |
| 53 | Harold Keller | 25 | Son | Clerk | New Jersey |
| 54 | Lillian Lassance | 33 | Head | Operator | Connecticut |
| 55 | James Lassance | 24 | Brother | Clerk | New Jersey |
| 56 | Dorothy Lassance | 15 | Sister | Salesgirl | New Jersey |
| 57 | June Mcbarron | 65 | Head | Janitor | Hungary |
| 58 | Elizabeth Mcbarron | 40 | Wife | Housekeeper | Hungary |
| 59 | Leona Hacker | 61 | Head | — | Germany |
| 60 | Harry Walker | 22 | Head | Presser | New Jersey |
| 61 | Robert Bessach | 19 | Boarder | Chauffeur | New Jersey |
| 62 | John Mallay | 24 | Head | Salesman | New Jersey |
| 63 | Leona Mallay | 32 | Wife | — | New Jersey |
| 64 | Anthony Mallay | 1 | Son | — | New Jersey |
| 65 | William Clark THIS PERSON | 30 | Head | Sign Painter | New Jersey |
| 66 | Edith Clark | 26 | Wife | — | Massachusetts |
| 67 | Joseph Clark | 3 | Son | — | New Jersey |
| 68 | Ruth Ann Clark | 1 | Daughter | — | New Jersey |
| 69 | Thomas Mcfarland | 48 | Head | Salesman | New Jersey |
| 70 | Sophie Mcfarland | 42 | Wife | — | Poland |
| 71 | Thomas Mcfarland | 14 | Son | — | New Jersey |
| 72 | John Mcfarland | 13 | Son | — | New Jersey |
| 73 | Rose Miller | 62 | Head | — | New Jersey |
| 74 | Louis Miller | 36 | Son | Stone Cutter | New Jersey |
| 75 | Katherine Miller | 36 | Daughter-in-law | Waitress | New York |
| 76 | William Miller | 12 | Grandson | — | New Jersey |
| 77 | Edward Shetchick | 37 | Head | Truck Driver | New Jersey |
| 78 | Victoria Shetchick | 23 | Wife | — | New Jersey |
| 79 | Edward Shetchick | 11 | Son | — | New Jersey |
| 80 | Jacob Dunn | 45 | Head | — | New Jersey |
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)