RT
Robert Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Northumberland-County, Pennsylvania
Our Model Tree links this Robert Thompson across the 1920, 1930 and 1940 US Censuses in Northumberland-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lee & Jefferson — first a son (b.~1916), then head of a 8-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Northumberland-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt Carmel |
| 1935 Residence (County) | Northumberland |
| Additional Details | |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Baker |
| Township / Ward | Mt Carmel |
| Est. Birth Year | ~1916 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Webb | Daughter | — | 30 | ~1910 |
| Doris Webb | Daughter | — | 14 | ~1926 |
| Lee Thompson | Head | — | 42 | ~1898 |
| Harold Thompson | Son | — | 17 | ~1923 |
| William Fuller | Son | — | 24 | ~1916 |
| Robert Thompson | Son | — | 24 | ~1916 |
| Thomas Thompson | Son | — | 37 | ~1903 |
| Russell Thompson | Son | — | 20 | ~1920 |
Census Appearances
1920
Northumberland, Pennsylvania
Son, age 5
Northumberland, Pennsylvania · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Northumberland, Pennsylvania
Son, age 15
Northumberland, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northumberland-County, Pennsylvania
Son, age 24
Northumberland-County, Pennsylvania · implied b. ~1916 — 8 household members
| Surname | Thompson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt Carmel |
| 1935 Residence (County) | Northumberland |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lee Thompson (~0.92 confidence) and father Jefferson Thompson (~0.92 confidence) and father Daniel Thompson (~0.92 confidence) and mother Rose Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lee Thompson
b. ~1898
Source father
● Household
· direct · ~0.92
Father
Jefferson Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Daniel Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Rose Thompson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thompson
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
William Fuller
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Webb
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Thompson
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Webb
Sibling · 1940 · age 14
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 — Northumberland-County, Pennsylvania
Open full size
1940 US Federal Census — Northumberland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03596-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Pliza | 30 | Wife | No | Pennsylvania |
| 42 | Joseph Jr. Pliza | 12 | Son | — | Pennsylvania |
| 43 | Joseph Foyalem | Foyalen | 47 | Head | Labor | Poland |
| 44 | Josephine Foyalem | Foyalen | 42 | Wife | — | Pennsylvania |
| 45 | Joseph Jr. Foyalem | Foyalen | 23 | Son | Labor | Pennsylvania |
| 46 | Henry Foyalem | Foyalen | 15 | Son | — | Pennsylvania |
| 47 | Charles Foyalem | Foyalen | 10 | Son | — | Pennsylvania |
| 48 | Stanley Kluzinski | 27 | Head | No | Pennsylvania |
| 49 | Mary Kluzinski | 27 | Wife | No | Pennsylvania |
| 50 | Martha Kluzinski | 12 | Daughter | — | Pennsylvania |
| 51 | Lee Thompson | 42 | Head | No | Pennsylvania |
| 52 | Thomas Thompson | 37 | Son | Baker | Pennsylvania |
| 53 | Robert Thompson THIS PERSON | 24 | Son | Baker | Pennsylvania |
| 54 | Russell Thompson | 20 | Son | New Worker | Pennsylvania |
| 55 | Harold Thompson | 17 | Son | No | Pennsylvania |
| 56 | William Fuller | 24 | Son | New Worker | Pennsylvania |
| 57 | Margaret Webb | 30 | Daughter | No | Pennsylvania |
| 58 | Doris Webb | 14 | Daughter | No | Pennsylvania |
| 59 | Paul Walchko | 34 | Head | Labor | Pennsylvania |
| 60 | Mildred Walchko | 26 | Wife | No | Pennsylvania |
| 61 | Bernadine Walchko | 5 | Daughter | — | Pennsylvania |
| 62 | Clair Walchko | 4 | Daughter | — | Pennsylvania |
| 63 | Paul Jr. Walchko | 1 | Son | — | Pennsylvania |
| 64 | Leonard Becker | 47 | Head | Blacksmith | Pennsylvania |
| 65 | Jennie Becker | 47 | Wife | No | Pennsylvania |
| 66 | Thomas Becker | 17 | Son | No | Pennsylvania |
| 67 | Mabel Becker | 19 | Daughter | Operator | Pennsylvania |
| 68 | Natale Ambrose | 43 | Head | Labor | Italy |
| 69 | Elizabeth Ambrose | 30 | Wife | No | Pennsylvania |
| 70 | Marie Ambrose | 8 | Daughter | — | Pennsylvania |
| 71 | Louis Ambrose | 5 | Daughter | — | Pennsylvania |
| 72 | Joseph Ambrose | 3 | Son | — | Pennsylvania |
| 73 | Natale Jr. Ambrose | 1 | Son | — | Pennsylvania |
| 74 | Nicola Fazzolare | 41 | Head | Labor | Italy |
| 75 | Philomena Fazzolare | 40 | Wife | No | Italy |
| 76 | Josephine Fazzolare | 11 | Daughter | — | Italy |
| 77 | Mary Fazzolare | 6 | Daughter | — | Italy |
| 78 | Julia Fazzolare | 1 | Daughter | — | Pennsylvania |
| 79 | Anna Urban | 36 | Head | Clerk | Pennsylvania |
| 80 | Helen Urban | 18 | Daughter | No | Pennsylvania |
Pedigree Summary
Robert + 6 siblings
Gen 1 · 4 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)