RC
Robert Caldwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Robert Caldwell across the 1910, 1920, 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Earl & Vivian — first a head (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Caldwell |
| Given Name | Robert H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bedford |
| 1935 Residence (County) | Penn. |
| Additional Details | |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Operator |
| Township / Ward | Jefferson Twp |
| Est. Birth Year | ~1907 |
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 |
|---|---|---|---|---|
| James Caldwell | Son | — | 1 | ~1939 |
| Anna Caldwell | Spouse | — | 32 | ~1908 |
| Miriam Caldwell | Daughter | — | ~1940 | |
| Elizabeth Caldwell | Daughter | — | 5 | ~1935 |
| Robert Caldwell | Head | — | 33 | ~1907 |
Census Appearances
1910
Washington, Pennsylvania
Son, age 3
Washington, Pennsylvania · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Son, age 13
Washington, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Washington, Pennsylvania
Son, age 23
Washington, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Occupation | Foreman |
| Industry | Gasoline station |
| Class of Worker | 7489 |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Head, age 33
Washington-County, Pennsylvania · implied b. ~1907 — 5 household members
| Surname | Caldwell |
| Given Name | Robert H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bedford |
| 1935 Residence (County) | Penn. |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Caldwell across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Caldwell (~0.92 confidence) and mother Vivian Caldwell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Caldwell
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Vivian Caldwell
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Caldwell
Head · 1940 · age 33 · b. ~1907 · 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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03624-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John D Pelkey | 51 | Head | Laborer | Pennsylvania |
| 42 | Belladau | Belladan Pelkey | 47 | Wife | — | Pennsylvania |
| 43 | Viola Pelkey | 17 | Daughter | — | Pennsylvania |
| 44 | Bernice Pelkey | 15 | Daughter | — | Pennsylvania |
| 45 | Dorothy Pelkey | 13 | Daughter | — | Pennsylvania |
| 46 | John Pelkey | 11 | Son | — | Pennsylvania |
| 47 | Gracie Pelkey | 7 | Daughter | — | Pennsylvania |
| 48 | William S Harper | 47 | Head | Laborer | Ohio |
| 49 | Martha Harper | 40 | Wife | — | Pennsylvania |
| 50 | Lucy Harper | 21 | Daughter | New Worker | Pennsylvania |
| 51 | John Harper | 21 | Son | Paint Shop | Pennsylvania |
| 52 | William Harper | 20 | Son | New Worker | Pennsylvania |
| 53 | Ernest Harper | 16 | Son | New Worker | Pennsylvania |
| 54 | Dorothy Harper | 12 | Daughter | — | Pennsylvania |
| 55 | Raymond Harper | 10 | Son | — | Pennsylvania |
| 56 | Clifford Harper | 7 | Son | — | Pennsylvania |
| 57 | Kenneth Harper | 4 | Son | — | Pennsylvania |
| 58 | Frank R Thompson | 47 | Head | Forman | Pennsylvania |
| 59 | Flyda Thompson | 36 | Wife | — | Pennsylvania |
| 60 | Gus Thompson | 13 | Son | — | Pennsylvania |
| 61 | Ruth Thompson | 11 | Daughter | — | Pennsylvania |
| 62 | Eleanor Thompson | 9 | Daughter | — | Pennsylvania |
| 63 | Richard Thompson | 8 | Son | — | Pennsylvania |
| 64 | Clinton Thompson | 6 | Son | — | Pennsylvania |
| 65 | John Joseph Brenna | 57 | Head | Laborer | Belgium |
| 66 | Robert H Caldwell THIS PERSON | 33 | Head | Operator | Pennsylvania |
| 67 | Anna Caldwell | 32 | Wife | — | Pennsylvania |
| 68 | Elizabeth Caldwell | 5 | Daughter | — | Pennsylvania |
| 69 | James Caldwell | 1 | Son | — | Pennsylvania |
| 70 | Miriam Caldwell | 0 | Daughter | — | Pennsylvania |
| 71 | Micheal Egan | 64 | Head | Farm Hand | England |
| 72 | Arvill Pauley | 28 | Head | Miner | West Virginia |
| 73 | Josephine Pauley | 32 | Wife | — | West Virginia |
| 74 | Katherine Pauley | 11 | Daughter | — | West Virginia |
| 75 | Kenneth R. Pauley | 10 | Son | — | Pennsylvania |
| 76 | Cora Lou Pauley | 6 | Daughter | — | Pennsylvania |
| 77 | Vance Noah | 56 | Head | Foreman | Pennsylvania |
| 78 | Edna Noah | 47 | Wife | — | Ohio |
| 79 | Florence Noah | 17 | Daughter | Housework | Pennsylvania |
| 80 | Samuel Noah | 15 | Son | New Worker | 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)