RH
Robert Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Robert Hoffman across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Margaret & Robert — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Steel Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hoffman | Spouse | — | 51 | ~1889 |
| William Cunningham | Other | — | 41 | ~1899 |
| William Hoffman | Son | — | 22 | ~1918 |
| Robert Hoffman | Son | — | 26 | ~1914 |
| Robert Hoffman | Head | — | 52 | ~1888 |
Census Appearances
1920
Hudson, New …
Son, age 6
Hudson, New Jersey · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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
Hudson, New …
Son, age 15
Hudson, New Jersey · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 26
Hudson-County, New Jersey · implied b. ~1914 — 5 household members
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Stenographer |
| Industry | Steel Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 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 Robert Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Hoffman (~0.92 confidence) and father Robert Hoffman (~0.92 confidence) and mother Margaret Hoffman (~0.92 confidence) and father Robert Hoffman (~0.92 confidence) and mother Margaret Hoffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Hoffman
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Robert Hoffman
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Margaret Hoffman
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Robert Hoffman
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Margaret Hoffman
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hoffman
Son · 1940 · age 26 · b. ~1914 · New Jersey
★ You are viewing this record
Sibling
William Hoffman
Sibling · 1940 · age 22
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02401-00524)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Kozlowski | 5 | Son | — | New Jersey |
| 42 | Margaret Mc Gurnin | 62 | Head | — | Pennsylvania |
| 43 | Alice Wright | 26 | Daughter | Stenographer | New Jersey |
| 44 | Agnes Kane | 52 | Head | — | New York |
| 45 | Julia Mc Gurnin | 53 | Lodger | Operator | New York |
| 46 | Edward Keating | 47 | Head | Foreman | New York |
| 47 | Catherine Keating | 47 | Wife | — | New York |
| 48 | Anna Keating | 24 | Daughter | Bookkeeper | New York |
| 49 | Joseph Sheehan | 14 | Nephew | — | New Jersey |
| 50 | John Czarnecki | 60 | Head | — | Poland |
| 51 | Melinda Czarnecki | 57 | Wife | — | Poland |
| 52 | Alfred Cammischa | 23 | Lodger | Operator | New Jersey |
| 53 | Teofil Kowalski | 57 | Head | Finisher | Poland |
| 54 | Lillian Kowalski | 55 | Wife | — | New Jersey |
| 55 | Marie Kowalski | 31 | Daughter | Typist | New Jersey |
| 56 | Charles Turner | 42 | Head | Maintenance Man | New Jersey |
| 57 | Mary Turner | 40 | Wife | — | New Jersey |
| 58 | Marie Turner | 21 | Daughter | Operator | New Jersey |
| 59 | Catherine Turner | 18 | Daughter | — | New Jersey |
| 60 | Charles Turner | 12 | Son | — | New Jersey |
| 61 | Adam Lejda | 31 | Head | Machinist | New Jersey |
| 62 | Helen Lejda | 24 | Wife | — | New Jersey |
| 63 | Violet Lejda | 2 | Daughter | — | New Jersey |
| 64 | George Bycroft | 44 | Head | Foreman | New Jersey |
| 65 | Martha Bycroft | 44 | Wife | — | New Jersey |
| 66 | Caroline Bycroft | 23 | Daughter | — | New Jersey |
| 67 | George Bycroft | 22 | Son | Longshoreman | New Jersey |
| 68 | Rita Bycroft | 20 | Daughter | Elevator Operator | New Jersey |
| 69 | Claude Bycroft | 19 | Son | New Worker | New Jersey |
| 70 | Marion Bycroft | 15 | Daughter | — | New Jersey |
| 71 | Charles Bycroft | 7 | Son | — | New Jersey |
| 72 | Michael Moran | 49 | Head | Inspector | New Jersey |
| 73 | Mary Moran | 47 | Wife | — | New Jersey |
| 74 | Thomas Moran | 25 | Son | Laborer | New Jersey |
| 75 | Robert Hoffman | 52 | Head | Chauffeur | New Jersey |
| 76 | Margaret Hoffman | 51 | Wife | — | New Jersey |
| 77 | Robert Hoffman THIS PERSON | 26 | Son | Stenographer | New Jersey |
| 78 | William Hoffman | 22 | Son | Ship Fitter | New Jersey |
| 79 | William Cunningham | 41 | Lodger | Clerk | New Jersey |
| 80 | Margaret Mc Kilvey | 62 | Head | — | New Jersey |
Pedigree Summary
Robert + 1 sibling
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)