RC
Robert Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Collin-County, Texas
Our Model Tree links this Robert Caldwell across the 1910, 1920, 1930 and 1940 US Censuses in Collin-County, Texas (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Male
Head
Born: Arkansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Collin-County, Texas |
| Surname | Caldwell |
| Given Name | Robert P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | J. P. No. 6 |
| 1935 Residence (County) | Collin |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Occupation | Farming |
| Township / Ward | J P No 6 |
| Est. Birth Year | ~1887 |
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 |
|---|---|---|---|---|
| Ray Caldwell | Son | — | 14 | ~1926 |
| Robert Caldwell | Head | — | 53 | ~1887 |
| Oria Caldwell | Spouse | — | 49 | ~1891 |
Census Appearances
1910
Collin, Texas
Head, age 23
Collin, Texas · implied b. ~1887
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Caldwell |
| Given Name | Robert P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Years Married | 5 |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | Laborer |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1920
Collin, Texas
Head, age 32
Collin, Texas · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | Farmer |
| Industry | Agriculture |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1930
Collin, Texas
Head, age 43
Collin, Texas · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Robert S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 19 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Collin-County, Texas
Head, age 53
Collin-County, Texas · implied b. ~1887 — 3 household members
| Surname | Caldwell |
| Given Name | Robert P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | J. P. No. 6 |
| 1935 Residence (County) | Collin |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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.
Show:
This person
Anchor record
Robert Caldwell
Head · 1940 · age 53 · b. ~1887 · Texas
★ 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 — Collin-County, Texas
Open full size
1940 US Federal Census — Collin-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04009-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eunice Carroll | 6 | Daughter | — | Texas |
| 42 | Joannett Carroll | 4 | Daughter | — | Texas |
| 43 | J. W. Carroll | 1 | Son | — | Texas |
| 44 | Ted D. Terrell | 60 | Head | Farming | Texas |
| 45 | Madeline Terrell | 54 | Wife | — | Texas |
| 46 | Ida Terrell | 21 | Daughter | — | Texas |
| 47 | Ollie Terrell | 19 | Daughter | — | Texas |
| 48 | Ema Terrell | 17 | Daughter | — | Texas |
| 49 | Maggie Terrell | 16 | Daughter | — | Texas |
| 50 | Emma Terrell | 13 | Daughter | — | Texas |
| 51 | Floyd Terrell | 12 | Son | — | Texas |
| 52 | E. L. Terrell | 23 | Head | Farming | Texas |
| 53 | Bernice Terrell | 23 | Wife | — | Texas |
| 54 | Beaula Terrell | 4 | Daughter | — | Texas |
| 55 | Rosetta Terrell | 2 | Daughter | — | Texas |
| 56 | Thelma June Terrell | 0 | Daughter | — | Texas |
| 57 | Oscar Terrell | 27 | Head | Farming | Texas |
| 58 | Susie Lee Terrell | 25 | Wife | — | Texas |
| 59 | Oscar R. Terrell | 6 | Son | — | Texas |
| 60 | Martin D. Terrell | 4 | Son | — | Texas |
| 61 | Linard Jr. Terrell | 3 | Son | — | Texas |
| 62 | Ora Lee Terrell | 1 | Daughter | — | Texas |
| 63 | F. Daniel Bull | 52 | Head | Farming | Tennessee |
| 64 | Jessie Bull | 49 | Wife | — | Texas |
| 65 | James W. Sidney | 32 | Head | Day Laborer | Texas |
| 66 | Vesta Mae Sidney | 25 | Wife | — | Alabama |
| 67 | Robert P. Caldwell THIS PERSON | 53 | Head | Farming | Arkansas |
| 68 | Oria Caldwell | 49 | Wife | — | Texas |
| 69 | Ray Caldwell | 14 | Son | — | Texas |
| 70 | Annie Caffen | 54 | Head | Farming | N. Carolina |
| 71 | Harold Harris | 35 | Son | Brick Mason | Texas |
| 72 | Adlyne Harris | 30 | Daughter | — | Texas |
| 73 | James Harris | 10 | Nephew | — | Texas |
| 74 | Willie M. Terrell | 34 | Head | Day Laborer | Texas |
| 75 | Martha Terrell | 27 | Wife | — | Texas |
| 76 | Ollie Lee Terrell | 7 | Daughter | — | Texas |
| 77 | Minnie Sue Terrell | 5 | Daughter | — | Texas |
| 78 | Ollie Rae Terrell | 4 | Daughter | — | Texas |
| 79 | Aruthee Terrell | 3 | Daughter | — | Texas |
| 80 | Willie D. Terrell | 1 | Son | — | Texas |
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)