RT
Robert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Robert Thomas across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents Ira & Max — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Parts Dept |
| Industry | Auto Fact. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1565 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Parts Dept |
| Township / Ward | Paterson |
| Est. Birth Year | ~1913 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Ira Thomas | Head | — | 58 | ~1882 |
| Robert Thomas | Son | — | 27 | ~1913 |
| Alice Thomas | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Passaic, New …
Son, age 7
Passaic, New Jersey · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Germany |
| Mother's Birthplace | England |
| 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 17
Passaic, New Jersey · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Age at First Marriage | 17 |
| Father's Birthplace | Germany |
| Mother's Birthplace | England |
| Occupation | Stock Clerk |
| Industry | Auto Sales |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Son, age 27
Passaic-County, New Jersey · implied b. ~1913 — 3 household members
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson |
| 1935 Residence (County) | Passaic |
| Occupation | Parts Dept |
| Industry | Auto Fact. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1565 |
| 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 Robert Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Thomas (~0.92 confidence) and father Max Thomas (~0.92 confidence) and mother Alice Thomas (~0.92 confidence) and mother Alice Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Thomas
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Max Thomas
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Alice Thomas
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Alice Thomas
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thomas
Son · 1940 · age 27 · b. ~1913 · 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-t0627-02429-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes Salerno | 33 | wife | — | New Jersey |
| 42 | Danielle Salerno | 4 | daughter | — | New Jersey |
| 43 | Earnest Salerno | 0 | son | — | New Jersey |
| 44 | John C. D'Arienzo | 41 | Head | Reg. Pharmacist | New Jersey |
| 45 | Mary D'Arienzo | 40 | wife | Saleslady | New Jersey |
| 46 | John D'Arienzo | 17 | son | — | New Jersey |
| 47 | Arne Krogh | 81 | Head | — | Norway |
| 48 | Etta Birk | None | Head | 16 | No 8 |
| 49 | Harold Birk | 30 | son | Laborer | New York |
| 50 | Benjamin Hanfeli | 35 | Head | Bartender | New Jersey |
| 51 | Margaret Hanfeli | 40 | wife | — | New Jersey |
| 52 | Benjamin Hanfeli | 10 | son | — | New Jersey |
| 53 | Edward Hanfeli | 6 | son | — | New Jersey |
| 54 | Albert Ellis | 58 | Head | Carpenter | New York |
| 55 | Grace Ellis | 58 | wife | — | New Jersey |
| 56 | Irene Ellis | 16 | daughter | — | New Jersey |
| 57 | Helen Ellis | 14 | son | — | New Jersey |
| 58 | Edward Franke | 21 | son-in-law | Laborer | New Jersey |
| 59 | Grace Franke | 19 | daughter | — | New Jersey |
| 60 | Grace Franke | 1 | granddaughter | — | New Jersey |
| 61 | Sophia Rotter | 69 | Head | Dressmaker | New Jersey |
| 62 | Walter Bauer | 42 | Head | Attendant | New Jersey |
| 63 | Ruth Bauer | 43 | wife | — | New Jersey |
| 64 | Thomas Green | 38 | Brother-in-law | Inspector | New Jersey |
| 65 | Otto Abate | 52 | Head | Compositor | Italy |
| 66 | Freda Abate | 42 | wife | — | New Jersey |
| 67 | Ira A. Thomas | 58 | Head | Warper | Vermont |
| 68 | Alice Thomas | 59 | wife | — | England |
| 69 | Robert Thomas THIS PERSON | 27 | son | Parts Dept | New Jersey |
| 70 | Henry H. Youngster | 57 | Head | — | New Jersey |
| 71 | Bertha Youngster | 55 | wife | — | New Jersey |
| 72 | Ruth Youngster | 24 | daughter | Secretary | New Jersey |
| 73 | William H. Rippley | 40 | Head | Mason | New Jersey |
| 74 | Helen Rippley | 30 | wife | — | New Jersey |
| 75 | William R. Krahmer | 62 | Head | Weaver | New Jersey |
| 76 | Viola Krahmer | 48 | wife | — | New Jersey |
| 77 | Warren Krahmer | 15 | son | — | New Jersey |
| 78 | Joseph Wolandoli | 27 | Head | Signal Maker | New Jersey |
| 79 | Eva Wolandoli | 30 | wife | — | New Jersey |
| 80 | Jack Wolandoli | 11 | son | — | New Jersey |
Pedigree Summary
Robert
Gen 1 · 5 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)