JH
John Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Joseph & Isabelle — first a head (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Stock Clerk |
| Industry | Can Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1456 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stock Clerk |
| Township / Ward | Jersey City 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Florence Hoffman | Daughter | — | 6 | ~1934 |
| John Hoffman | Head | — | 29 | ~1911 |
| John Hoffman | Son | — | 1 | ~1939 |
| John Hoffman | Son | — | 5 | ~1935 |
| Ruth Hoffman | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Hudson, New …
Son, age 9
Hudson, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| 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 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 19
Hudson, New Jersey · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| 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 | Bus boy |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Head, age 29
Hudson-County, New Jersey · implied b. ~1911 — 5 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City City |
| 1935 Residence (County) | Hudson |
| Occupation | Stock Clerk |
| Industry | Can Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1456 |
| 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 John Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Hoffman (~0.92 confidence) and mother Isabelle Hoffman (~0.92 confidence) and father John Hoffman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Hoffman
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Isabelle Hoffman
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
John Hoffman
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Head · 1940 · age 29 · b. ~1911 · 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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-02410-00702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary D O'Neil | 62 | Head | House Cleaner | New York |
| 2 | Nellie Hartigan | 47 | Sister | — | New York |
| 3 | Helen O'Neil | 15 | Daughter | Clerk | New Jersey |
| 4 | Edward Kilty | 32 | Head | Seller | New Jersey |
| 5 | Rose Kilty | 25 | Wife | — | New Jersey |
| 6 | Joseph Medina | 59 | Head | Laborer | Italy |
| 7 | Mary D Medina | 54 | Wife | — | Italy |
| 8 | Cancel | 25 | Head | Watchman | New Jersey |
| 9 | Anthony Melise | 25 | Head | Watchman | New Jersey |
| 10 | Catherine Melise | 24 | Wife | — | New Jersey |
| 11 | Charles Melise | 5 | Son | — | New Jersey |
| 12 | Cancel | 25 | Head | Watchman | New Jersey |
| 13 | Albert De Roemer | 40 | Head | Plumber | New York |
| 14 | Edna Roemer | 36 | Wife | — | New Jersey |
| 15 | Albert Jr Roemer | 14 | Son | — | New York |
| 16 | Michael Long | 70 | Head | Retired | New York |
| 17 | Albert D. Martini | 26 | Head | Tailor | New Jersey |
| 18 | Marie Martini | 24 | Wife | Nurse | New Jersey |
| 19 | Margaret D Vale | 32 | Head | Sales Lady | New Jersey |
| 20 | Catherine Vale | 30 | Sister | Nurse | New Jersey |
| 21 | Frank Vale | 25 | Brother | Laborer | New Jersey |
| 22 | Elizabeth Powers | 64 | Aunt | — | England |
| 23 | John Hoffman THIS PERSON | 29 | Head | Stock Clerk | New Jersey |
| 24 | Ruth D Hoffman | 27 | Wife | — | New Jersey |
| 25 | John Hoffman | 5 | Son | — | New Jersey |
| 26 | John Jr. Hoffman | 1 | Son | — | New Jersey |
| 27 | Florence Hoffman | 6 | Daughter | — | New Jersey |
| 28 | John Kolokowsky | 26 | Head | Laborer | New Jersey |
| 29 | Jean Kolokowsky | 24 | Wife | Packer | New Jersey |
| 30 | Theodore D Wisniewski | 26 | Head | Clerk | New Jersey |
| 31 | Irene Wisniewski | 26 | Wife | Accountant | New Jersey |
| 32 | Harry Mrazek | 34 | Head | Brakeman | New Jersey |
| 33 | Helen Mrazek | 30 | Wife | School Girl | New Jersey |
| 34 | Hugh D Billingsley | 38 | Head | Utility Man | New Jersey |
| 35 | Catherine Billingsley | 31 | Wife | Supervisor | New York |
| 36 | Augusta Ferron | 45 | Head | Secretary | Minnesota |
Pedigree Summary
John
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)