JS
John Schaffer — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hudson, New Jersey
Our Model Tree links this John Schaffer across the 1920, 1930 and 1940 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed), with identified parents John & William — first a son (b.~1915), then head of a 9-person household.
Age 15
b. ~1915
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hudson, New Jersey |
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Union City City |
| Est. Birth Year | ~1915 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charles Schaffer | Other | — | 60 | ~1870 |
| John Schaffer | Son | — | 15 | ~1915 |
| John Vogel | Head | — | 32 | ~1898 |
| Mary Schaffer | Daughter | — | 5 | ~1925 |
| Joseph Schaffer | Son | — | 10 | ~1920 |
| Herbert Schaffer | Son | — | 8 | ~1922 |
| Anna Schaffer | Other | — | 63 | ~1867 |
| Mary Schaffer | Spouse | — | 54 | ~1876 |
| Rose Vogel | Other | — | 39 | ~1891 |
Census Appearances
1920
Hudson, New …
Son, age 5
Hudson, New Jersey · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 15
Hudson, New Jersey · implied b. ~1915 — 9 household members
| Surname | Schaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Head, age 25
Hudson-County, New Jersey · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaeffer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Machine Oiler |
| Industry | Sugar Refinery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 760 |
| Highest Grade | Hs 4 |
| 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 Vogel (~0.92 confidence) and father William Schaffer (~0.92 confidence) and mother Mary Schaffer (~0.92 confidence) and mother Mary Schaffer (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Vogel
b. ~1898
Source father
● Household
· direct · ~0.92
Father
William Schaffer
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Mary Schaffer
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mary Schaffer
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Schaffer
Son · 1930 · age 15 · b. ~1915 · New Jersey
★ You are viewing this record
Sibling
Mary Schaffer
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Schaffer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Schaffer
Sibling · 1930 · age 8
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
1930 US Federal Census — Hudson, New Jersey
Open full size
1930 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1359:0030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rudolph Tusar | 14 | Rel | — | New Jersey |
| 52 | Anthony Tusar | 41 | Head | Manager | New York |
| 53 | Nellie Tusar | 38 | Wife | — | New Jersey |
| 54 | Gerald Tusar | 13 | Son | — | New Jersey |
| 55 | Anna Mavel | 63 | Head | — | Germany |
| 56 | Anna Mavel | 33 | Daughter | Nurse | New York |
| 57 | Ellen A Mavel | 26 | Daughter | Bookkeeper | New York |
| 58 | George Snyder | 39 | Head | Contractor | New York |
| 59 | Katherine Snyder | 37 | Wife | — | New York |
| 60 | Kathryn Snyder | 19 | Daughter | — | New Jersey |
| 61 | Charles Muir | 72 | Head | Decorator | Germany |
| 62 | Augusta Muir | 70 | Wife | — | Germany |
| 63 | John Okelman | 42 | Head | Carpenter | Germany |
| 64 | Adeline Okelman | 32 | Wife | — | Germany |
| 65 | Victoria Okelman | 8 | Daughter | — | Belgium |
| 66 | Theodora Okelman | 5 | Daughter | — | Belgium |
| 67 | Adolph Okelman | 3 | Son | — | Belgium |
| 68 | Jacob Tisty | 49 | Head | — | New Jersey |
| 69 | Anna Tisty | 44 | Wife | Clerk | New Jersey |
| 70 | Eugene Tisty | 15 | Son | — | New Jersey |
| 71 | Charles Steck | 63 | Head | Toolmaker | New York |
| 72 | Rose Steck | 62 | Wife | — | Germany |
| 73 | Lillian Steck | 28 | Son | Tinsmith | New York |
| 74 | Harry Short | 37 | Head | Tinsmith | Iowa |
| 75 | Edith Short | 33 | Wife | — | New York |
| 76 | Lillian Short | 11 | Daughter | — | New Jersey |
| 77 | Frank Kratz | 36 | Head | Mechanic | New Jersey |
| 78 | Minnie Kratz | 33 | Wife | — | New York |
| 79 | Eleanor Kratz | 10 | Daughter | — | New Jersey |
| 80 | Elizabeth Fila | 61 | Head | — | New York |
| 81 | Joseph Fila | 25 | Son | Operator | New Jersey |
| 82 | John Fila | 23 | Son | Operator | New Jersey |
| 83 | Esther Mudd | 30 | Daughter | Labor | New Jersey |
| 84 | Karl Wierhoop | 42 | Lodger | Salesman | New Jersey |
| 85 | John Vogel | 32 | Head | Shipping Clerk | New York |
| 86 | Rose Vogel | 39 | Sister | — | New York |
| 87 | Anna Schaffer | 63 | Sister | — | Germany |
| 88 | Charles Schaffer | 60 | Brother | Operator | New York |
| 89 | Mary Schaffer | 54 | Wife | — | New York |
| 90 | John Schaffer THIS PERSON | 15 | Son | — | New Jersey |
| 91 | Joseph Schaffer | 10 | Son | — | New Jersey |
| 92 | Herbert Schaffer | 8 | Son | — | New Jersey |
| 93 | Mary Schaffer | 5 | Daughter | — | New Jersey |
| 94 | Henry Robert | 41 | Head | Launderman | New Jersey |
| 95 | Sarah Robert | 36 | Wife | — | New Jersey |
| 96 | Clementine Robert | 16 | Daughter | Clerk | New Jersey |
| 97 | Charles R Robert | 3 | Son | — | New Jersey |
| 98 | George Ferry | 58 | Head | — | Germany |
| 99 | Louise Ferry | 24 | Daughter | Secretary | New Jersey |
| 100 | George Ferry | 22 | Son | Letterer | New Jersey |
Pedigree Summary
John + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)