RT
Robert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this Robert Thomas across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents Richard & Richard — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Thomas |
| Given Name | Robert F |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Hackensack |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | bell-boy |
| Industry | hotel |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Bell-Boy |
| Township / Ward | Hackensack |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Thomas | Daughter | — | 18 | ~1922 |
| Richard Thomas | Head | — | 49 | ~1891 |
| George Thomas | Son | — | 10 | ~1930 |
| Richard Thomas | Son | — | 24 | ~1916 |
| Robert Thomas | Son | — | 22 | ~1918 |
| Lillian Thomas | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Bergen, New …
Son, age 2
Bergen, New Jersey · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Maryland |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Bergen, New …
Son, age 11
Bergen, New Jersey · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bergen-County, New …
Son, age 22
Bergen-County, New Jersey · implied b. ~1918 — 6 household members
| Surname | Thomas |
| Given Name | Robert F |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Hackensack |
| 1935 Residence (County) | Bergen |
| Occupation | bell-boy |
| Industry | hotel |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Richard Thomas (~0.92 confidence) and father Richard Thomas (~0.92 confidence) and father Richard Thomas (~0.92 confidence) and mother Lillian Thomas (~0.92 confidence) and mother Lillian Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Richard Thomas
b. ~1902
Source father
● Household
· direct · ~0.92
Father
Richard Thomas
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Lillian Thomas
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lillian Thomas
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thomas
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Margaret Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Thomas
Sibling · 1940 · age 24
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
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-t0627-02309-00687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gratwohl Sophie B Gretwell | 48 | wife | — | New Jersey |
| 42 | Gretwell | None | Edna | — | — |
| 43 | Elton M Wisher | 37 | head | Salesman | Michigan |
| 44 | Elvira E Wisher | 35 | wife | — | Michigan |
| 45 | John E Wisher | 10 | son | — | Michigan |
| 46 | David P Wisher | 6 | son | — | Michigan |
| 47 | Richard F Wisher | 2 | son | — | Michigan |
| 48 | Henry L Fagan | 44 | head | Jail Keeper | New Jersey |
| 49 | Marion Fagan | 40 | wife | — | New Jersey |
| 50 | Ethelbert D Harris | 63 | head | Treasurer | New York |
| 51 | Grace E Harris | 62 | wife | — | New Jersey |
| 52 | Ethel S Harris | 31 | daughter | Teacher | New Jersey |
| 53 | Wilfred R Bent | 53 | head | Clerk | England |
| 54 | Emily P Bent | 47 | wife | Pract. Nurse | Scotland |
| 55 | Frank R Bent | 21 | son | Printer | New Jersey |
| 56 | William E Schulz | 55 | head | Broker | New York |
| 57 | Mary B Schulz | 57 | wife | — | New Jersey |
| 58 | Ada Adele Schulz | 25 | daughter | Assistant | New Jersey |
| 59 | Harry H Van Blarcom | 31 | head | Installer | New Jersey |
| 60 | Eleanor R Van Blarcom | 29 | wife | — | New York |
| 61 | Carole R Van Blarcom | 4 | daughter | — | New Jersey |
| 62 | Winifred Hunyason | 64 | head | — | Massachusetts |
| 63 | Paul S Hunyason | 41 | son | Salesman | New Jersey |
| 64 | Hunyason | None | Extra | — | — |
| 65 | Richard C Thomas | 49 | head | Foreman Press Room | New York |
| 66 | Lillian F Thomas | 48 | wife | — | New York |
| 67 | Richard C Thomas | 24 | son | Fly-Boy | New York |
| 68 | Robert F Thomas THIS PERSON | 22 | son | Bell-Boy | New York |
| 69 | Margaret E Thomas | 18 | daughter | — | New Jersey |
| 70 | George A Thomas | 10 | son | — | New Jersey |
| 71 | Estelle M Watkins | 60 | head | Clerk | Maryland |
| 72 | Orville A Dozier | 23 | head | Truck Driver | Illinois |
| 73 | Eleanor M Dozier | 21 | wife | — | Massachusetts |
| 74 | Donald A Dozier | 29 | brother | Appliance Salesman | Illinois |
| 75 | Adolph Wahrily | 64 | head | — | Switzerland |
| 76 | Louisa Wahrily | 63 | wife | — | Germany |
| 77 | Adolph M Wahrily | 34 | son | Bus Driver | New Jersey |
| 78 | Matilda G Wahrily | 30 | daughter-in-law | — | New Jersey |
| 79 | Jacqueline Wahrily | 10 | daughter | — | New Jersey |
| 80 | Martin C Brand | 56 | head | Broker | New Jersey |
Related Census Records
Pedigree Summary
Robert + 3 siblings
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)