JM
Joseph Mayer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Joseph Mayer across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Mary — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Handyman |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Handyman |
| Township / Ward | Passaic |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Marion Mayer | Spouse | — | 25 | ~1915 |
| Joseph Mayer | Head | — | 28 | ~1912 |
| Marion Mayer | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Passaic, New …
Son, age 7
Passaic, New Jersey · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read | Yes |
| Can Write | 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 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | Mill Hand |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Head, age 28
Passaic-County, New Jersey · implied b. ~1912 — 3 household members
| Surname | Mayer |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic |
| 1935 Residence (County) | Passaic |
| Occupation | Handyman |
| Industry | Woolen Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| 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 Joseph Mayer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mayer (~0.92 confidence) and mother Mary Mayer (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mayer
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Mayer
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Mayer
Head · 1940 · age 28 · b. ~1912 · 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-t0627-02378-00456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William X Looman | 65 | Head | Weaver | Germany |
| 42 | Frank Makovitz | 20 | Head | Bobbin Sorter | New Jersey |
| 43 | Dorothy Q Makovitz | 18 | Wife | Bobbin Sorter | New Jersey |
| 44 | Charles Horvath | 35 | Head | Iceman | Austria |
| 45 | Gezella Horvath | 35 | Wife | — | Austria |
| 46 | Charles Horvath | 12 | Son | — | New Jersey |
| 47 | William Horvath | 10 | Son | — | New Jersey |
| 48 | Daniel Horvath | 1 | Son | — | New Jersey |
| 49 | Bernard Walatru | 30 | Head | Weaver | Italy |
| 50 | Paul Mayer | 53 | Head | Loom-Fixer | Hungary |
| 51 | Ollie Toth | 22 | Head | Delivery-Boy | Pennsylvania |
| 52 | Mary Toth | 21 | Wife | — | Pennsylvania |
| 53 | Robert Toth | 1 | Son | — | Pennsylvania |
| 54 | Michael Kucala | 67 | Head | — | Hungary |
| 55 | Rose Kucala | 31 | Daughter | — | New Jersey |
| 56 | George Kucala | 28 | Son | Laborer | New Jersey |
| 57 | Henry Mursi | 23 | Head | Millhand | New Jersey |
| 58 | Helen Mursi | 23 | Wife | Salesgirl | New Jersey |
| 59 | Eva Taraposh | 21 | Sister | Table-Worker | Pennsylvania |
| 60 | Joseph Mayer THIS PERSON | 28 | Head | Handyman | New Jersey |
| 61 | Marion Mayer | 25 | Wife | Loader | New Jersey |
| 62 | Marion Mayer | 5 | Daughter | — | New Jersey |
| 63 | Victoria Loman | 26 | Head | — | New Jersey |
| 64 | Gezella Kamelofski | 23 | Daughter | — | New Jersey |
| 65 | Joseph Kucala | 31 | Head | Housemaker | New Jersey |
| 66 | Katherine Kucala | 27 | Wife | — | New Jersey |
| 67 | Jean Kucala | 7 | Daughter | — | New Jersey |
| 68 | Lorraine Kucala | 1 | Daughter | — | New Jersey |
| 69 | Martin Sassent | 16 | Head | Shearer | Yugoslavia |
| 70 | Rose Sassent | 16 | Wife | — | Yugoslavia |
| 71 | Martin Mayer | 26 | Head | Tracer | New Jersey |
| 72 | Helen Mayer | 28 | Wife | — | New Jersey |
| 73 | Marie Mayer | 8 | Daughter | — | New Jersey |
| 74 | Anthony Gallo | 40 | Head | Laborer | Italy |
| 75 | Hugo Gallo | 11 | Son | — | New Jersey |
| 76 | Marie Mayer | 61 | Head | — | Hungary |
| 77 | John Mayer | 31 | Son | — | New Jersey |
| 78 | John Csaki | 28 | Head | Mill-Hand | New Jersey |
| 79 | Mary Csaki | 25 | Wife | — | New Jersey |
| 80 | Anthony Tase | 28 | Head | Bark-Off | New Jersey |
Pedigree Summary
Joseph
Gen 1 · 2 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)