RT
Roy Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Clay, Missouri
Our Model Tree links this Roy Thomas across the 1920, 1930 and 1940 US Censuses in Clay, Missouri (XGBoost, ~Confirmed), with identified parents W & William — first a son (b.~1917), then head of a 9-person household.
Age 13
b. ~1917
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Clay, Missouri |
| 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 |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | 66 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Liberty Township Part Of |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| James Thomas | Son | — | 16 | ~1914 |
| Lula Thomas | Other | — | 39 | ~1891 |
| Dora Thomas | Daughter | — | 14 | ~1916 |
| George Thomas | Son | — | 18 | ~1912 |
| William Thomas | Head | — | 49 | ~1881 |
| Ralph Thomas | Son | — | 9 | ~1921 |
| Mary Thomas | Daughter | — | 7 | ~1923 |
| Roy Thomas | Son | — | 13 | ~1917 |
| William Thomas | Son | — | 20 | ~1910 |
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 |
1930
Clay, Missouri
Son, age 13
Clay, Missouri · implied b. ~1917 — 9 household members
| 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 |
Son, age 22
Clay-County, Missouri · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| 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 Roy 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
Roy Thomas
Son · 1930 · age 13 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Dora Thomas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thomas
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thomas
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Thomas
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Thomas
Sibling · 1930 · age 9
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
1930 US Federal Census — Clay, Missouri
Open full size
1930 US Federal Census — Clay, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1183:0469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James M Salyers | 55 | Head | Farmer | Virginia |
| 2 | Nora M Salyers | 41 | Wife-H | — | Missouri |
| 3 | Thelma G Salyers | 14 | Daughter | — | Missouri |
| 4 | Arnold Crawford | 29 | Husband | Farmer | Missouri |
| 5 | Mary E Crawford | 24 | Wife-H | — | Missouri |
| 6 | Ira S Crawford | 1 | Son | — | Missouri |
| 7 | Jesse L Crawford | 60 | Father | — | Missouri |
| 8 | Henry S Crawford | 38 | Brother | Farm Laborer | Missouri |
| 9 | John M Greene | 43 | Head | Fisherman | Kansas |
| 10 | John W Smith | 58 | Head | Farmer | Missouri |
| 11 | Mary E Smith | 55 | Wife-H | — | Missouri |
| 12 | Garland F Smith | 21 | Son | Farm Laborer | Missouri |
| 13 | Harry M Smith | 32 | Head | Farm Laborer | Missouri |
| 14 | Ethel P Smith | 27 | Wife-H | — | Missouri |
| 15 | Harry R Smith | 4 | Son | — | Missouri |
| 16 | Mary H Smith | 3 | Daughter | — | Missouri |
| 17 | William Thomas | 49 | Head | Farmer | Missouri |
| 18 | Lula A Thomas | 39 | Wife-H | — | Missouri |
| 19 | William R Thomas | 20 | Son | Farm Laborer | Missouri |
| 20 | George E Thomas | 18 | Son | Farm Laborer | Missouri |
| 21 | James R Thomas | 16 | Son | Farm Laborer | Missouri |
| 22 | Roy H Thomas THIS PERSON | 13 | Son | — | Missouri |
| 23 | Dora A Thomas | 14 | Daughter | — | Missouri |
| 24 | Ralph Thomas | 9 | Son | — | Missouri |
| 25 | Mary R Thomas | 7 | Daughter | — | Missouri |
| 26 | John B Cleaver | 58 | Head | Farmer | Missouri |
| 27 | Alva M Foster | 43 | Head | Farm Laborer | Kentucky |
| 28 | Hattie M Foster | 44 | Wife-H | — | Missouri |
| 29 | Opal E Foster | 11 | Daughter | — | Missouri |
| 30 | Ruby M Foster | 7 | Daughter | — | Missouri |
| 31 | Millie S Foster | 5 | Son | — | Missouri |
| 32 | Henry O Scott | 48 | Head | Farmer | Missouri |
| 33 | Goldie C Scott | 43 | Wife-H | — | Missouri |
| 34 | J. N. Scott | 15 | Son | Farm Laborer | Missouri |
| 35 | Lula P Scott | 13 | Daughter | — | Missouri |
| 36 | Charles C Price | 60 | Head | Farmer | Missouri |
| 37 | Josephus Bradfield | 47 | Head | Farmer | Missouri |
| 38 | Maud C Bradfield | 47 | Wife-H | — | Iowa |
| 39 | Ruth E Bradfield | 15 | Daughter | — | Missouri |
| 40 | Eleanor E Bradfield | 13 | Daughter | — | Missouri |
| 41 | William M Bradfield | 11 | Son | — | Missouri |
| 42 | James B Johnson | 51 | Head | Stationary Engineer | Missouri |
| 43 | Margaret Johnson | 16 | Daughter | — | Oklahoma |
| 44 | James B Jr Johnson | 12 | Son | — | Missouri |
| 45 | Richard L Johnson | 9 | Son | — | Missouri |
| 46 | Sadie Johnson | 78 | Mother | — | Illinois |
| 47 | Margaret A Clutter | 54 | Head | Yes | Missouri |
| 48 | Mary E Clutter | 25 | Daughter | Teacher | Missouri |
| 49 | Robert Mitchell | 83 | Step Father | V | Northern Ireland |
| 50 | Porter B Smith | 38 | Head | — | Missouri |
Related Census Records
Pedigree Summary
Roy + 6 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 1930 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)