JS
John Schaffer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this John Schaffer across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Annie — first a son (b.~1907), then head of a 2-person household.
Age 33
b. ~1907
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | North Arlington Borough |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | painter |
| Industry | newspaper Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2080 |
| Highest Grade | H-8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Painter |
| Township / Ward | North Arlington Borough |
| Est. Birth Year | ~1907 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Anna Schaffer | Head | — | 72 | ~1868 |
| John Schaffer | Son | — | 33 | ~1907 |
Census Appearances
1920
Bergen, New …
Son, age 13
Bergen, New Jersey · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Laborer |
| Industry | Steel works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Bergen, New …
Son, age 23
Bergen, New Jersey · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Printer |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Son, age 33
Bergen-County, New Jersey · implied b. ~1907 — 2 household members
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | North Arlington Borough |
| 1935 Residence (County) | Bergen |
| Occupation | painter |
| Industry | newspaper Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2080 |
| Highest Grade | H-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 Schaffer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Schaffer (~0.92 confidence) and mother Annie Schaffer (~0.92 confidence) and mother Grace Schaffer (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Schaffer
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Annie Schaffer
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Grace Schaffer
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schaffer
Son · 1940 · age 33 · b. ~1907 · 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-t0627-02312-00159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Hanson | 31 | Head | Steam Fitter | Mass. |
| 2 | Edward Lavin | 52 | Head | Steam Fitter | New York |
| 3 | Greta Lavin | 39 | Wife | — | New Jersey |
| 4 | Anna Schaffer | 72 | Head | — | New Jersey |
| 5 | John Schaffer THIS PERSON | 33 | Son | Painter | New Jersey |
| 6 | Glenford Maybury | 36 | Head | Salesman | New Jersey |
| 7 | Ruth Maybury | 30 | Wife | — | New Jersey |
| 8 | Frank S. Deane | 34 | Head | Dispatcher | New York |
| 9 | Ellen V. Deane | 33 | Wife | — | Ireland |
| 10 | Robert Deane | 6 | Son | — | New Jersey |
| 11 | Alonzo Davis | 69 | Head | Salesman | Mass. |
| 12 | Clara Davis | 62 | Wife | — | New Jersey |
| 13 | Mildred Smith | 33 | Daughter | Operator | New Jersey |
| 14 | Sidney Smith | 39 | Son | Machinist | New Jersey |
| 15 | Janice Smith | 13 | Granddaughter | — | New Jersey |
| 16 | Edmund Furley | 35 | Head | Photographer | New Jersey |
| 17 | Elizabeth Furley | 34 | Wife | — | New Jersey |
| 18 | William Schell | 62 | Head | Manager | Penn. |
| 19 | Belle Schell | 56 | Wife | — | Penn. |
| 20 | Eugene Schell | 18 | Son | — | New Jersey |
| 21 | Clara Meyers | 62 | Sister-in-law | — | Penn. |
| 22 | Max Eschenbach | 44 | Head | Engineer | New Jersey |
| 23 | Helga Eschenbach | 42 | Wife | — | New Jersey |
| 24 | Robert Eschenbach | 16 | Son | — | New Jersey |
| 25 | Arthur Kreismer | 57 | Head | Engineer | New Jersey |
| 26 | Mary Kreismer | 57 | Wife | — | Vermont |
| 27 | Philip Kreismer | 23 | Son | Office Work | New York |
| 28 | Ruth Kreismer | 21 | Daughter | Bench Worker | New York |
| 29 | Robert Kreismer | 20 | Son | Runner | New Jersey |
| 30 | Nellie Cosman | 68 | Sister-in-law | — | Vermont |
| 31 | Harry Williamson | 61 | Head | Machinist | Penn. |
| 32 | Cora Williamson | 61 | Wife | — | Penn. |
| 33 | Arlene Williamson | 36 | Daughter | Bookkeeper | Penn. |
| 34 | Harry Williamson | 25 | Son | Helper | Penn. |
| 35 | Anna Williamson | 24 | Daughter-in-law | — | New Jersey |
| 36 | Frank Fowler | 52 | Head | Maintenance | New Jersey |
| 37 | Helen Fowler | 48 | Wife | — | New Jersey |
| 38 | William Mcphee | 47 | Head | Machinist | New Jersey |
| 39 | Catherine Mcphee | 45 | Sister | — | New Jersey |
| 40 | Thomas Mcphee | 40 | Brother | Machinist | New Jersey |
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)