RT
Ray Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Missouri
Our Model Tree links this Ray Thomas across the 1920, 1930 and 1940 US Censuses in Clay-County, Missouri (XGBoost, ~Confirmed), with identified parents W & William — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Missouri |
| Surname | Thomas |
| Given Name | Ray |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | On farm |
| Industry | OA |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | 50 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | On Farm |
| Township / Ward | Liberty Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ray | Age | Birth yr |
|---|---|---|---|---|
| Mary Thomas | Daughter | — | 17 | ~1923 |
| Lulu Thomas | Head | — | 50 | ~1890 |
| Ray Thomas | Son | — | 22 | ~1918 |
| Ralph Thomas | Son | — | 19 | ~1921 |
Census Appearances
1920
Clay, Missouri
Son, age 2
Clay, Missouri · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
Son, age 13
Clay, Missouri · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Roy H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Mother Tongue | 66 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Clay-County, Missouri
Son, age 22
Clay-County, Missouri · implied b. ~1918 — 4 household members
| Surname | Thomas |
| Given Name | Ray |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (County) | Clay |
| Occupation | On farm |
| Industry | OA |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | 50 |
| 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 Ray Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and mother Lula Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Lula Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ray Thomas
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Mary Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Thomas
Sibling · 1940 · age 19
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 — Clay-County, Missouri
Open full size
1940 US Federal Census — Clay-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02097-00751)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Colleen Greener | 2 | daughter | — | Missouri |
| 2 | Robert Mallinson | 25 | head | On Farm | Missouri |
| 3 | Dora Mallinson | 27 | wife | — | Texas |
| 4 | James Mallinson | 2 | son | — | Missouri |
| 5 | Roberta Mallinson | 0 | son | — | Missouri |
| 6 | Robert Thomas | 26 | head | On Farm | Missouri |
| 7 | Edith Thomas | 26 | wife | — | Missouri |
| 8 | Roberta Thomas | 5 | daughter | — | Missouri |
| 9 | James Thomas | 3 | son | — | Missouri |
| 10 | Joseph F. Morrow | 65 | head | Own Farm | Missouri |
| 11 | Hatty Morrow | 54 | wife | Own Farm | Missouri |
| 12 | Joseph S. Morrow | 26 | son | — | Missouri |
| 13 | Robert Craille | 59 | head | Tavern | Missouri |
| 14 | Fred Craille | 55 | brother | Tavern | Missouri |
| 15 | Judith Craille | 64 | sister | — | Missouri |
| 16 | Jasper Craille | 31 | head | Coal & Feed | Missouri |
| 17 | Molly Craille | 29 | wife | — | Kansas |
| 18 | Irene Craille | 5 | daughter | — | Missouri |
| 19 | Fred Craille | 3 | son | — | Missouri |
| 20 | Dorothy Craille | 1 | daughter | — | Missouri |
| 21 | E. E. Fletcher | 27 | head | Farmer | Missouri |
| 22 | Lillian Fletcher | 27 | wife | — | Missouri |
| 23 | Loreta Fletcher | 5 | daughter | — | Missouri |
| 24 | Louise Fletcher | 4 | daughter | — | Missouri |
| 25 | Josie Smith | 3 | neice | — | Missouri |
| 26 | Harry M. Smith | 40 | head | On Farm | Missouri |
| 27 | Ethel Smith | 36 | wife | — | Missouri |
| 28 | Raymond Smith | 15 | son | — | Missouri |
| 29 | Mary Helen Smith | 13 | daughter | — | Missouri |
| 30 | Carl H. Harmon | 24 | head | Farmer | Missouri |
| 31 | Gertrude Harmon | 22 | wife | — | Missouri |
| 32 | George H. Harmon | 3 | son | — | Missouri |
| 33 | Arthur B. Harmon | 0 | son | — | Missouri |
| 34 | Lulu Thomas | 50 | head | — | Missouri |
| 35 | Ray Thomas THIS PERSON | 22 | son | On Farm | Missouri |
| 36 | Ralph Thomas | 19 | son | On Farm | Missouri |
| 37 | Mary Ruth Thomas | 17 | daughter | — | Missouri |
| 38 | Jesse Casteel | 32 | head | Farmer | Missouri |
| 39 | Eva Casteel | 24 | wife | — | Missouri |
| 40 | Betty Casteel | 5 | daughter | — | Missouri |
Related Census Records
Pedigree Summary
Ray + 2 siblings
Gen 1 · 3 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)