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William Richardson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this William Richardson across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents Susan & Frank — first a son (b.~1913), then head of a 2-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Richardson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | PASSAIC CITY |
| 1935 Residence (County) | PASSAIC |
| Additional Details | |
| Occupation | Est. Clerk |
| Industry | Wire Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Est. Clerk |
| Township / Ward | Passaic City |
| Est. Birth Year | ~1913 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Susan Richardson | Head | — | 66 | ~1874 |
| William Richardson | Son | — | 27 | ~1913 |
Census Appearances
1920
Passaic, New …
Son, age 7
Passaic, New Jersey · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Son, age 18
Passaic, New Jersey · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Son, age 27
Passaic-County, New Jersey · implied b. ~1913 — 2 household members
| Surname | Richardson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | PASSAIC CITY |
| 1935 Residence (County) | PASSAIC |
| Occupation | Est. Clerk |
| Industry | Wire Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | No 4 |
| 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 Richardson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Susan Richardson (~0.92 confidence) and father Frank Richardson (~0.92 confidence) and mother Susan Richardson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Susan Richardson
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Frank Richardson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Susan Richardson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Richardson
Son · 1940 · age 27 · b. ~1913 · 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 — 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-t0627-02378-00548)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Johanna Vanderveen | 60 | Wife | — | Holland |
| 42 | Andrews Weaver | 45 | Head | Detective | New York |
| 43 | Elsie Weaver | 40 | Wife | — | New York |
| 44 | Jack Weaver | 16 | Son | — | New Jersey |
| 45 | Robert Weaver | 17 | Son | — | New Jersey |
| 46 | Herman Lindeberg | 65 | Father-in-law | — | Sweden |
| 47 | Alma Lindeberg | 46 | Sister-in-law | Saleslady | New York |
| 48 | Michael Friedman | 53 | Head | Salesman | Russia |
| 49 | Minnie Friedman | 43 | Wife | — | New Jersey |
| 50 | Max Friedman | 25 | Son | Dentist | New Jersey |
| 51 | Helen Friedman | 22 | Daughter | Dietician | New Jersey |
| 52 | Paul Friedman | 16 | Son | — | New Jersey |
| 53 | Helen Cahayla | 19 | Maid | Maid | Czecho |
| 54 | Zina Lissiuk | 38 | Head | Beautician | Ukrania |
| 55 | Walter Lissiuk | 17 | Son | — | Germany |
| 56 | Morris Sklar | 47 | Head | Tinsmith | Russia |
| 57 | Lillian Sklar | 47 | Wife | — | Russia |
| 58 | Beatrice Sklar | 15 | Daughter | — | New Jersey |
| 59 | Mildred Sklar | 13 | Daughter | — | New Jersey |
| 60 | Herman Sklar | 9 | Son | — | New Jersey |
| 61 | Susan Richardson | 66 | Head | — | New Jersey |
| 62 | William Richardson THIS PERSON | 27 | Son | Est. Clerk | New Jersey |
| 63 | Mary Knichel | 65 | Head | — | New Jersey |
| 64 | Frank Walits | 28 | Head | Laborer | Austria |
| 65 | Mary Walits | 19 | Wife | — | Austria |
| 66 | Frank Jr. Walits | 1 | Son | — | New Jersey |
| 67 | Leo Walitz | 36 | Head | Laborer | Austria |
| 68 | Mary Walitz | 24 | Wife | — | Austria |
| 69 | Florence Walitz | 12 | Daughter | — | New Jersey |
| 70 | Louis Groeler | 10 | Bro-in-law | — | Penna |
| 71 | Oscar Niedermoser | 36 | Head | Foreman | New Jersey |
| 72 | Edith Niedermoser | 37 | Wife | — | Penna |
| 73 | Otelia Froehlich | 65 | Mother-in-law | — | Germany |
| 74 | Augusta Niedermoser | 31 | Head | Mechanic | New Jersey |
| 75 | Martha Niedermoser | 28 | Sister | Secretary | New Jersey |
| 76 | Frank Radak | 57 | Head | Examiner | Austria |
| 77 | Rada Radak | 49 | Wife | — | Austria |
| 78 | Frank Jr. Radak | 20 | Son | Laborer | New Jersey |
| 79 | Bertram Goltz | 66 | Head | Operator | New Jersey |
| 80 | Frances Goltz | 24 | Wife | Clerk | New York |
Related Census Records
Pedigree Summary
William
Gen 1 · 3 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)