TR
Thomas Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Missouri
Our Model Tree links this Thomas Roberts across the 1920, 1930 and 1940 US Censuses in Polk-County, Missouri (XGBoost, ~Confirmed), with identified parents F & Francis — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Missouri |
| Surname | Roberts |
| Given Name | Thomas S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | some house |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Johnson Township |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Roberts | Daughter | — | 20 | ~1920 |
| Ruth Roberts | Daughter | — | 17 | ~1923 |
| Francis Roberts | Head | — | 48 | ~1892 |
| Francis Roberts | Son | — | 3 | ~1937 |
| Paul Roberts | Son | — | 15 | ~1925 |
| Thomas Roberts | Son | — | 23 | ~1917 |
| Dorothy Roberts | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Polk, Missouri
Son, age 3
Polk, Missouri · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | New York |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Polk, Missouri
Son, age 13
Polk, Missouri · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Polk-County, Missouri
Son, age 23
Polk-County, Missouri · implied b. ~1917 — 7 household members
| Surname | Roberts |
| Given Name | Thomas S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | some house |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Thomas Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father F Roberts (~0.92 confidence) and father Francis Roberts (~0.92 confidence) and mother Dorothy Roberts (~0.92 confidence) and mother Ashley Roberts (~0.92 confidence) and mother Dorothy Roberts (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
F Roberts
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Francis Roberts
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Dorothy Roberts
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Ashley Roberts
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Dorothy Roberts
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Roberts
Son · 1940 · age 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Ruth Roberts
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Roberts
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Roberts
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Roberts
Sibling · 1940 · age 3
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 — Polk-County, Missouri
Open full size
1940 US Federal Census — Polk-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02141-00578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles C. Wante | 4 | Son | — | Missouri |
| 42 | Charles F. Shacklett | 55 | Head | Farm Operator | Missouri |
| 43 | Abbie Shacklett | 55 | Wife | — | Missouri |
| 44 | Charles D. Shacklett | 20 | Son | Carpenter | Oklahoma |
| 45 | Mildred J. Shacklett | 17 | Daughter | Librarian | Missouri |
| 46 | Robert D. Shacklett | 15 | Son | — | Missouri |
| 47 | Lorna H. Cameron | 56 | Head | Farm Operator | Missouri |
| 48 | Maud L. Cameron | 55 | Wife | — | Missouri |
| 49 | Alfred H. Cameron | 51 | Head | Farm Operator | Kansas |
| 50 | Ada B. Cameron | 47 | Wife | — | Iowa |
| 51 | Mary Vose | 65 | Sister in law | — | Illinois |
| 52 | Billy H. Ray | 36 | Head | Farm Operator | Missouri |
| 53 | Bernice D. Ray | 35 | Wife | — | Missouri |
| 54 | Harold I. Ray | 16 | Son | — | Iowa |
| 55 | Bill B. Ray | 14 | Son | — | Missouri |
| 56 | Robert L. Ray | 12 | Son | — | Missouri |
| 57 | Harold P. Ray | 11 | Son | — | Missouri |
| 58 | Laverne N. Ray | 9 | Daughter | — | Missouri |
| 59 | Margie L. Ray | 7 | Daughter | — | Missouri |
| 60 | Frank L. Cater | 62 | Head | Farm Operator | Illinois |
| 61 | Agnes H. Cater | 57 | Wife | — | Missouri |
| 62 | Robert R. Cater | 25 | Son | Farm Laborer | Illinois |
| 63 | Jesse A. Simmons | 30 | Head | Farm Laborer | Missouri |
| 64 | Inez M. Simmons | 28 | Wife | — | Illinois |
| 65 | Alvin J. Simmons | 7 | Son | — | Missouri |
| 66 | Velma J. Simmons | 4 | Daughter | — | Missouri |
| 67 | Donald E. Simmons | 2 | Son | — | Missouri |
| 68 | William H. George | 70 | Head | Farm Operator | Missouri |
| 69 | Emma A. George | 68 | Wife | — | Missouri |
| 70 | Alva Lyle | 40 | Head | Farm Laborer | Missouri |
| 71 | Clara L. Lyle | 58 | Wife | — | Missouri |
| 72 | Alvin E. Lyle | 16 | Son | — | Missouri |
| 73 | Donald E. Lyle | 2 | Son | — | Missouri |
| 74 | Francis H. Roberts | 48 | Head | Farm Operator | Missouri |
| 75 | Dorothy G. Roberts | 46 | Wife | — | New York |
| 76 | Thomas S. Roberts THIS PERSON | 23 | Son | — | Missouri |
| 77 | Carolyn E. Roberts | 20 | Daughter | — | Missouri |
| 78 | Ruth E. Roberts | 17 | Daughter | — | Missouri |
| 79 | Paul H. Roberts | 15 | Son | — | Missouri |
| 80 | Francis D. Roberts | 3 | Son | — | Missouri |
Pedigree Summary
Thomas + 4 siblings
Gen 1 · 5 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)