JH
John Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this John Hamilton across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Hamilton |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Haledon Borough |
| 1935 Residence (County) | Passaic |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machinist |
| Township / Ward | Haledon Borough |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Doris Hamilton | Daughter | — | 9 | ~1931 |
| John Hamilton | Head | — | 40 | ~1900 |
| John Hamilton | Son | — | 15 | ~1925 |
| Lillian Hamilton | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Passaic, New …
Son, age 20
Passaic, New Jersey · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Passaic, New …
Head, age 30
Passaic, New Jersey · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Dye House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Passaic-County, New …
Head, age 40
Passaic-County, New Jersey · implied b. ~1900 — 4 household members
| Surname | Hamilton |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Haledon Borough |
| 1935 Residence (County) | Passaic |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Hamilton (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Hamilton
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hamilton
Head · 1940 · age 40 · b. ~1900 · 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-t0627-02376-00685)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank M. Cosgrove | 33 | Head | Assistant Manager | New Jersey |
| 42 | Mary E. Cosgrove | 30 | Wife | — | New Jersey |
| 43 | Frank M. Cosgrove | 11 | Son | — | New Jersey |
| 44 | Barbara J. Cosgrove | 4 | Daughter | — | New Jersey |
| 45 | George Abrahams | 77 | Head | Manufacturer | Northern Ireland |
| 46 | Mary E. Abrahams | 51 | Daughter | Forelady | New Jersey |
| 47 | George J. Benninger | 35 | Head | Maintenance | New Jersey |
| 48 | Violet Benninger | 33 | Wife | Weaver | New Jersey |
| 49 | John G. Benninger | 5 | Son | — | New Jersey |
| 50 | William Abrahams | 50 | Head | Manufacturer | New Jersey |
| 51 | Elizabeth Abrahams | 48 | Wife | — | New Jersey |
| 52 | Marion Abrahams | 20 | Daughter | Elevator Operator | New Jersey |
| 53 | John E. Voorhis | 50 | Head | Truck Driver | New Jersey |
| 54 | Jennie Voorhis | 28 | Wife | — | New Jersey |
| 55 | Joseph Voorhis | 30 | Son | Truck Driver | New Jersey |
| 56 | Anthony Cervillo | 55 | Head | Finisher | Italy |
| 57 | Lena Cervillo | 50 | Wife | — | New Jersey |
| 58 | Pauline Layer | 76 | Mother | — | Germany |
| 59 | Walter Jung | 50 | Head | Hat Band Weaver | Germany |
| 60 | Agusta Jung | 42 | Wife | Quill Winder | Germany |
| 61 | Walter Jung | 18 | Son | Draftsman | Germany |
| 62 | Alfred Antoniotti | 62 | Head | Weaver | Italy |
| 63 | Primo Antoniotti | 29 | Son | Finisher | New Jersey |
| 64 | Robert Nieskens | 37 | Head | Weaver | New Jersey |
| 65 | Evelyn Nieskens | 30 | Wife | — | New York |
| 66 | Vera E. Nieskens | 9 | Daughter | — | New Jersey |
| 67 | Irene L. Nieskens | 6 | Daughter | — | New Jersey |
| 68 | Margaret F. Nieskens | 0 | Daughter | — | New Jersey |
| 69 | William J. Boydell | 26 | Head | Carpenter | New Jersey |
| 70 | Flora Boydell | 25 | Wife | Substitute Librarian | New York |
| 71 | Dawn E. Boydell | 4 | Daughter | — | New Jersey |
| 72 | Henry J. Bowman | 37 | Head | Helper | New Jersey |
| 73 | Jennie Bowman | 39 | Wife | — | New Jersey |
| 74 | Rachel Bowman | 76 | Mother-in-law | — | New Jersey |
| 75 | John S. Hamilton THIS PERSON | 40 | Head | Machinist | Scotland |
| 76 | Lillian Hamilton | 36 | Wife | — | New Jersey |
| 77 | John R. Hamilton | 15 | Son | — | New Jersey |
| 78 | Doris M. Hamilton | 9 | Daughter | — | New Jersey |
| 79 | William F. Hoelscher | 44 | Head | Chauffeur | Germany |
| 80 | Minnie V. Hoelscher | 43 | Wife | — | Pennsylvania |
Pedigree Summary
John
Gen 1 · 1 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)