RT
Robert Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Stevens, Washington
Our Model Tree links this Robert Thomas across the 1910, 1920 and 1930 US Censuses in Stevens, Washington (XGBoost, ~Confirmed), with identified parents Geo & Frances — first a son (b.~1904), then head of a 8-person household.
Age 26
b. ~1904
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Stevens, Washington |
| Surname | Thomas |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Laborer |
| Industry | Orchards |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Laborer |
| Township / Ward | City Of Colville |
| Est. Birth Year | ~1904 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Doris Thomas | Daughter | — | 14 | ~1916 |
| George Thomas | Head | — | 61 | ~1869 |
| Eliza Pryor | Other | — | 77 | ~1853 |
| Frederick Thomas | Son | — | 10 | ~1920 |
| Francis Thomas | Son | — | 10 | ~1920 |
| Robert Thomas | Son | — | 26 | ~1904 |
| Donald Thomas | Son | — | 19 | ~1911 |
| Ethel Thomas | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Stevens, Washington
Son, age 4
Stevens, Washington · implied b. ~1906 — 4 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 | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Illinois |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Stevens, Washington
Son, age 15
Stevens, Washington · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Stevens, Washington
Son, age 26
Stevens, Washington · implied b. ~1904 — 8 household members
| Surname | Thomas |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | California |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Orchards |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 (1910, 1920 and 1930) in Stevens, Washington, using XGBoost record linkage. Identified parents: father Geo Thomas (~0.92 confidence) and father Frances Thomas (~0.50 confidence) and father George Thomas (~0.92 confidence) and father George Thomas (~0.92 confidence) and mother Ethel Thomas (~0.92 confidence) and mother Lulu Thomas (~0.92 confidence) and mother Ethel Thomas (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Geo Thomas
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Frances Thomas
b. ~1912
Source father
● Household
· direct · ~0.5
Father
George Thomas
b. ~1869
Source father
● Household
· direct · ~0.92
Father
George Thomas
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ethel Thomas
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Lulu Thomas
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Ethel Thomas
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thomas
Son · 1930 · age 26 · b. ~1904 · Washington
★ You are viewing this record
Sibling
Doris Thomas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Thomas
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thomas
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Thomas
Sibling · 1930 · age 10
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 — Stevens, Washington
Open full size
1930 US Federal Census — Stevens, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2520unit:0755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Guy D Markham | 41 | Head | Agent | Kansas |
| 52 | Ida L Markham | 30 | Wife | — | S Dakota |
| 53 | Audrey Marie Markham | 1 | Daughter | — | Washington |
| 54 | George W Thomas | 61 | Head | Barber | Pennsylvania |
| 55 | Ethel S Thomas | 49 | Wife | — | Missouri |
| 56 | Robert R Thomas THIS PERSON | 26 | Son | Laborer | Washington |
| 57 | Donald M Thomas | 19 | Son | Laborer | Washington |
| 58 | Doris R Thomas | 14 | Daughter | — | Canada-Eng |
| 59 | Francis G Thomas | 10 | Son | — | Washington |
| 60 | Frederick M Thomas | 10 | Son | — | Washington |
| 61 | Eliza E Pryor | 77 | Mother-in-law | — | Illinois |
| 62 | Harilda Metherow | 40 | Head | Auditor | Washington |
| 63 | Jane Metherow | 42 | Sister | — | Washington |
| 64 | Walter S Cronrath | 34 | Head | Clerk | Nevada |
| 65 | Lucetta M Cronrath | 22 | Wife | — | S Dakota |
| 66 | Ruth M Cronrath | 10 | Daughter | — | Washington |
| 67 | William Eyre | 65 | Head | Plumber | US |
| 68 | Elizabeth Whitacre | 63 | Housekeeper | Housekeeper | Canada-Eng |
| 69 | Charles O Smith | 65 | Head | Water Commissioner | Missouri |
| 70 | Milla F Smith | 59 | Wife | — | Iowa |
| 71 | Marion L Smith | 18 | Daughter | — | Washington |
| 72 | Peter J Schroeder | 41 | Head | Asst Cashier | Minnesota |
| 73 | Olga P Schroeder | 37 | Wife | — | Kansas |
| 74 | Robert R Schroeder | 12 | Son | — | Washington |
| 75 | Charles E Price | 53 | Head | Carpenter | Texas |
| 76 | Anna B Price | 48 | Wife | — | Texas |
| 77 | Ray S Price | 22 | Son | Printer | Washington |
| 78 | Kelly K Bone | 49 | Head | Sheriff | Tennessee |
| 79 | Annie B Bone | 36 | Wife | — | Missouri |
| 80 | Dorothy Bone | 16 | Daughter | — | Washington |
| 81 | Myron H Dallas | 47 | Head | Salesman | Missouri |
| 82 | Angel E Dallas | 33 | Wife | — | Washington |
| 83 | Virginia K Dallas | 12 | Daughter | — | Washington |
| 84 | Robert H Dallas | 10 | Son | — | Idaho |
| 85 | Roy M Vincent | 50 | Head | Salesman | Iowa |
| 86 | Carrie Vincent | 50 | Wife | — | Minnesota |
| 87 | Allie A Ambrose | 36 | Head | Repairman | Minnesota |
| 88 | Myrtle F Ambrose | 38 | Wife | — | Idaho |
| 89 | M Alan Ambrose | 6 | Son | — | Washington |
| 90 | Dolores Ambrose | 1 | Daughter | — | Washington |
| 91 | George D Knapp | 76 | Head | Gardener | Indiana |
| 92 | Emma F Knapp | 69 | Wife | — | Illinois |
| 93 | E--- Cook | 32 | Head | Truck Driver | Pennsylvania |
| 94 | Lois Cook | 28 | Wife | Waitress | Washington |
| 95 | Weldon H Cook | 2 | Son | — | Washington |
| 96 | --- J Stotts | 61 | Head | Commercial Salesman | Wisconsin |
| 97 | May B Stotts | 57 | Wife | — | Wisconsin |
| 98 | Robert Stotts | 19 | Son | — | Washington |
| 99 | Ruth Stotts | 19 | Daughter | — | Washington |
| 100 | — | None | — | — | — |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 7 parents
~0.86
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)