RT
Richard Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Missouri
Our Model Tree links this Richard Thomas across the 1920, 1930 and 1940 US Censuses in Shelby-County, Missouri (XGBoost, ~Confirmed), with identified parents Dave & L — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Missouri |
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Salt River Twp |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 115 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Salt River Twp |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Margaret Thomas | Daughter | — | 13 | ~1927 |
| Mary Thomas | Head | — | 59 | ~1881 |
| Richard Thomas | Son | — | 28 | ~1912 |
| Cecil Thomas | Son | — | 32 | ~1908 |
Census Appearances
1920
Shelby, Missouri
Son, age 8
Shelby, Missouri · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Shelby, Missouri
Son, age 19
Shelby, Missouri · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Shelby-County, Missouri
Son, age 28
Shelby-County, Missouri · implied b. ~1912 — 4 household members
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Salt River Twp |
| 1935 Residence (County) | Shelby |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 115 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Richard Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dave Thomas (~0.92 confidence) and father L Thomas (~0.92 confidence) and mother Maggie Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dave Thomas
b. ~1864
Source father
● Household
· direct · ~0.92
Father
L Thomas
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Maggie Thomas
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Thomas
Son · 1940 · age 28 · b. ~1912 · Missouri
★ You are viewing this record
Sibling
Margaret Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Thomas
Sibling · 1940 · age 32
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 — Shelby-County, Missouri
Open full size
1940 US Federal Census — Shelby-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02158-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Avery | 48 | Wife | — | Missouri |
| 2 | Eleanor Avery | 13 | Daughter | — | Missouri |
| 3 | Howard Avery | 12 | Son | — | Missouri |
| 4 | Edna Avery | 7 | Daughter | — | Missouri |
| 5 | Betty Avery | 6 | Daughter | — | Missouri |
| 6 | Virgil Avery | 23 | Son | — | Missouri |
| 7 | Mary Thomas | 59 | Head | Laborer | Missouri |
| 8 | Cecil Thomas | 32 | Son | — | Missouri |
| 9 | Richard Thomas THIS PERSON | 28 | Son | Laborer | Missouri |
| 10 | Margaret Thomas | 13 | Daughter | Laborer | Missouri |
| 11 | Cecil D. Manning | 69 | Head | — | Missouri |
| 12 | Eugene Manning | 35 | Son | Laborer | Missouri |
| 13 | Floyd Manning | 32 | Son | Laborer | Missouri |
| 14 | Emery Ratliff | 44 | Head | Farmer | Missouri |
| 15 | Lorraine Ratliff | 42 | Wife | — | Illinois |
| 16 | Roger Ratliff | 11 | Son | — | Missouri |
| 17 | Jerry Ratliff | 8 | Son | — | Missouri |
| 18 | George Ratliff | 67 | Father | — | Virginia |
| 19 | John Blackburn | 58 | Head | Farmer | Missouri |
| 20 | Florence Blackburn | 55 | Wife | — | Illinois |
| 21 | Raymond Blackburn | 17 | Son | — | Missouri |
| 22 | Roscoe Hopkins | 37 | Head | Farmer | Missouri |
| 23 | Lillian Hopkins | 31 | Wife | — | Missouri |
| 24 | Juanita Hopkins | 7 | Daughter | — | Missouri |
| 25 | Charles Hopkins | 2 | Son | — | Missouri |
| 26 | Charles Schwaitzman | 24 | Head | Farmer | Missouri |
| 27 | Marie Schwaitzman | 23 | Wife | — | Missouri |
| 28 | G. T. Connoway | 54 | Head | Farmer | Missouri |
| 29 | Flora Bell Connoway | 48 | Wife | — | Missouri |
| 30 | Wm. Mcmahill | 68 | Head | Farmer | Illinois |
| 31 | Addie Mcmahill | 65 | Wife | — | Illinois |
| 32 | Ella Quigley | 64 | Head | — | Missouri |
| 33 | Arthur Jones | 59 | Head | Farmer | Missouri |
| 34 | Lena Jones | 59 | Wife | — | Missouri |
| 35 | Dan Kuntz | 65 | Head | Farmer | Illinois |
| 36 | Emma Kuntz | 66 | Wife | — | Illinois |
| 37 | B. F. Burckhardt | 36 | Head | Farmer | Missouri |
| 38 | Pauline Burckhardt | 43 | Wife | — | Missouri |
| 39 | Carley Turney | 37 | Head | Farmer | Missouri |
| 40 | Lucile Turney | 28 | Wife | — | Missouri |
Pedigree Summary
Richard + 2 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)