RT
Robert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Robert Thomas across the 1920, 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Richard & Elizabeth — first a head (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Head
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Wilson Boro |
| 1935 Residence (County) | Northampton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Knitter |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Knitter |
| Township / Ward | Wilson Boro |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Thomas | Daughter | — | 9 | ~1931 |
| Robert Thomas | Head | — | 39 | ~1901 |
| Robert Thomas | Son | — | 15 | ~1925 |
| Richard Thomas | Son | — | 12 | ~1928 |
| Clare Thomas | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Northampton, Pennsylvania
Son, age 18
Northampton, Pennsylvania · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wales |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Knitter |
| Industry | Hosiery Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1930
Northampton, Pennsylvania
Head, age 29
Northampton, Pennsylvania · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | First papers filed |
| Year of Immigration | 1904 |
| Age at First Marriage | 22 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Cutter |
| Industry | Hosiery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 45.00 |
| Radio Set | R |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Northampton-County, Pennsylvania
Head, age 39
Northampton-County, Pennsylvania · implied b. ~1901 — 5 household members
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Wilson Boro |
| 1935 Residence (County) | Northampton |
| Naturalization Status | Naturalized |
| Occupation | Knitter |
| Industry | Hosiery Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1750 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 mother Elizabeth Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Thomas
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Thomas
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thomas
Head · 1940 · age 39 · b. ~1901 · Pennsylvania
★ 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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03594-00666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vincent Gertrude Cook | 11 | Daughter | — | Pennsylvania |
| 2 | Billie Cook | 5 | Son | — | Pennsylvania |
| 3 | Russell Butz | 43 | Head | Clerk | Pennsylvania |
| 4 | Ethel Butz | 41 | Wife | — | Pennsylvania |
| 5 | Ethel Mae Butz | 11 | Daughter | — | Pennsylvania |
| 6 | Karl Butz | 9 | Son | — | Pennsylvania |
| 7 | George Bragg | 32 | Head | Accountant | Connecticut |
| 8 | Edith Bragg | 34 | Wife | — | Connecticut |
| 9 | Carl Mccann | 34 | Head | Truck Driver | Pennsylvania |
| 10 | Edith Mccann | 32 | Wife | — | Pennsylvania |
| 11 | John Mccann | 7 | Son | — | Pennsylvania |
| 12 | Kathleen Mccann | 5 | Daughter | — | Pennsylvania |
| 13 | Mary Auger | 61 | Head | — | Pennsylvania |
| 14 | Lizzie Cadsten | 75 | Lodger | — | Pennsylvania |
| 15 | David Reilly | 74 | Lodger | — | Ireland |
| 16 | Robert Cheroske | 47 | Lodger | Furnace Man | New Jersey |
| 17 | Phillip Presser | 64 | Lodger | Paper Cutter | New York |
| 18 | Walter Wamsley | 25 | Head | Baker | New Jersey |
| 19 | Gertrude Wamsley | 29 | Wife | — | New York |
| 20 | Raymond Birkel | 48 | Head | Crane Man | Pennsylvania |
| 21 | Margaret Birkel | 38 | Wife | — | Pennsylvania |
| 22 | Catherine Birkel | 14 | Daughter | — | Pennsylvania |
| 23 | Daniel Kavanaugh | 40 | Head | Laborer | Ireland |
| 24 | Nettie Kavanaugh | 37 | Wife | — | Pennsylvania |
| 25 | Virginia Kavanaugh | 14 | Daughter | — | Pennsylvania |
| 26 | Robert Kavanaugh | 10 | Son | — | Pennsylvania |
| 27 | Robert Thomas THIS PERSON | 39 | Head | Knitter | Wales |
| 28 | Clare Thomas | 34 | Wife | Winder | Pennsylvania |
| 29 | Robert Thomas | 15 | Son | — | Pennsylvania |
| 30 | Richard Thomas | 12 | Son | — | Pennsylvania |
| 31 | Carolyn Thomas | 9 | Daughter | — | Pennsylvania |
| 32 | James L. Nixon | 39 | Head | Fixer | Pennsylvania |
| 33 | Hilda M. Nixon | 33 | Wife | — | Pennsylvania |
| 34 | Jean M. Nixon | 14 | Daughter | — | Pennsylvania |
| 35 | Robert J. Nixon | 10 | Son | — | Pennsylvania |
| 36 | Donald B. Nixon | 7 | Son | — | Pennsylvania |
| 37 | Jessie E. Nixon | 76 | Mother | — | Pennsylvania |
| 38 | Herbert W. Davis | 47 | Head | Builder | England |
| 39 | Beulah C. Davis | 42 | Wife | — | Pennsylvania |
| 40 | Herbert B. Davis | 13 | Son | — | Pennsylvania |
Pedigree Summary
Robert
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)