RT
Robert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hill-County, Texas
Our Model Tree links this Robert Thomas across the 1920, 1930 and 1940 US Censuses in Hill-County, Texas (XGBoost, ~Confirmed), with identified parents M & John — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hill-County, Texas |
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Hillsboro City |
| 1935 Residence (County) | Hill |
| Additional Details | |
| Occupation | Carpenter Helper |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 68 |
| Income (1939) | 28 |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Carpenter Helper |
| Township / Ward | Hillsboro City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Letha Thomas | Daughter | — | 8 | ~1932 |
| John Thomas | Head | — | 59 | ~1881 |
| Robert Thomas | Son | — | 22 | ~1918 |
| J Thomas | Son | — | 18 | ~1922 |
| Raymond Thomas | Son | — | 30 | ~1910 |
| Clifford Thomas | Son | — | 14 | ~1926 |
| Daniel Thomas | Son | — | 11 | ~1929 |
| Mandy Thomas | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Hill, Texas
Son, age 4
Hill, Texas · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Hill, Texas
Son, age 13
Hill, Texas · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Hill-County, Texas
Son, age 22
Hill-County, Texas · implied b. ~1918 — 8 household members
| Surname | Thomas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Hillsboro City |
| 1935 Residence (County) | Hill |
| Occupation | Carpenter Helper |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 68 |
| Income (1939) | 28 |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 M Cyler (~0.92 confidence) and father John Thomas (~0.92 confidence) and father John Thomas (~0.92 confidence) and mother Mandy Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Cyler
b. ~1855
Source father
● Household
· direct · ~0.92
Father
John Thomas
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mandy Thomas
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thomas
Son · 1940 · age 22 · b. ~1918 · Texas
★ You are viewing this record
Sibling
Letha Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Thomas
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Thomas
Sibling · 1940 · age 18
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 — Hill-County, Texas
Open full size
1940 US Federal Census — Hill-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04066-00035)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie D. Morris | 56 | Wife | — | Texas |
| 2 | George M. Bryant | 42 | Head | Common Labor | Texas |
| 3 | Odie A. Bryant | 45 | Wife | — | Texas |
| 4 | Endell Bryant | 13 | Daughter | — | Texas |
| 5 | Maggie Luther | 56 | Head | Housekeeper | Alabama |
| 6 | David Oscar Luther | 20 | Son | Canteen Clerk | Texas |
| 7 | Edwin Luther | 19 | Son | Labor | Texas |
| 8 | Lee Temple Davidson | 33 | Head | Common Labor | Texas |
| 9 | Ruby Davidson | 21 | Wife | — | Texas |
| 10 | Wanda Davidson | 9 | Daughter | — | Texas |
| 11 | Kenneth Davidson | 5 | Son | — | Texas |
| 12 | Lonnie Anderson | 41 | Head | Common Labor | Texas |
| 13 | Esther Anderson | 39 | Wife | Laundry | Texas |
| 14 | James Anderson | 20 | Son | — | Texas |
| 15 | Vera Anderson | 13 | Daughter | — | Texas |
| 16 | Lorene Anderson | 11 | Daughter | — | Texas |
| 17 | David Williams | 42 | Head | Labor | Tennessee |
| 18 | Lula Williams | 35 | Wife | Housekeeping | Texas |
| 19 | Thomas Williams | 14 | Son | — | Texas |
| 20 | Annie Ruth Williams | 12 | Daughter | — | Texas |
| 21 | Louise Williams | 8 | Daughter | — | Texas |
| 22 | John Thomas | 59 | Head | Common Labor | Texas |
| 23 | Mandy Thomas | 40 | Wife | — | Texas |
| 24 | Raymond Thomas | 30 | Son | Delivery | Texas |
| 25 | Robert Thomas THIS PERSON | 22 | Son | Carpenter Helper | Texas |
| 26 | J. K. Thomas | 18 | Son | Helper | Texas |
| 27 | Clifford Thomas | 14 | Son | — | Texas |
| 28 | Daniel Thomas | 11 | Son | — | Texas |
| 29 | Letha Lou Thomas | 8 | Daughter | — | Texas |
| 30 | John B. Jones | 65 | Head | Trucker | Mississippi |
| 31 | Nancy J. Jones | 63 | Wife | — | Arkansas |
| 32 | Claude Birdwell | 41 | Head | Carpenter | Texas |
| 33 | Irene Birdwell | 31 | Wife | — | Texas |
| 34 | Billy Jack Birdwell | 11 | Son | — | Texas |
| 35 | Jerry Birdwell | 1 | Son | — | Texas |
| 36 | Peggy Jane Birdwell | 5 | Daughter | — | Texas |
| 37 | Row Saunders | 24 | Son-in-law | Truck Driver | Texas |
| 38 | Helen Saunders | 17 | Daughter | Farm Work | Texas |
| 39 | Emma Major | 55 | Head | — | Texas |
| 40 | Horace Major | 25 | Son | — | Texas |
Related Census Records
Pedigree Summary
Robert + 5 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)