RT
Roy Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sauk-County, Wisconsin
Our Model Tree links this Roy Thomas across the 1930 and 1940 US Censuses in Sauk-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sauk-County, Wisconsin |
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Fairfield Township |
| 1935 Residence (County) | Sauk |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 86 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Housekeeper |
| Township / Ward | Fairfield Township |
| Est. Birth Year | ~1920 |
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 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Donald Thomas | Son | — | 23 | ~1917 |
| Karl Thomas | Son | — | 16 | ~1924 |
| Audrey Thomas | Daughter | — | 26 | ~1914 |
| Vern Thomas | Spouse | — | 51 | ~1889 |
| Doris Thomas | Daughter | — | 22 | ~1918 |
| Roy Thomas | Son | — | 20 | ~1920 |
| Buda Thomas | Daughter | — | 18 | ~1922 |
| Herbert Thomas | Head | — | 56 | ~1884 |
Census Appearances
1930
Sauk, Wisconsin
Son, age 10
Sauk, Wisconsin · implied b. ~1920 — 8 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 | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Sauk-County, Wisconsin
Son, age 20
Sauk-County, Wisconsin · implied b. ~1920 — 8 household members
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Fairfield Township |
| 1935 Residence (County) | Sauk |
| Occupation | Housekeeper |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 86 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Thomas
Son · 1940 · age 20 · b. ~1920 · Wisconsin
★ You are viewing this record
Sibling
Karl Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Thomas
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thomas
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Buda Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Thomas
Sibling · 1940 · age 22
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 — Sauk-County, Wisconsin
Open full size
1940 US Federal Census — Sauk-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04523-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Berton Higgins | 15 | Head | — | Wisconsin |
| 42 | Edward Schmeller | 68 | Head | Farmer | Wisconsin |
| 43 | Anna Belle Schmeller | 73 | Wife | — | Ohio |
| 44 | Leonard Francisco | 50 | Head | Rough Fishing | Wisconsin |
| 45 | Lilah Francisco | 37 | Wife | — | Wisconsin |
| 46 | Evelyn Francisco | 14 | Daughter | — | Wisconsin |
| 47 | Everette Caflisch | 34 | Head | Trucking | Wisconsin |
| 48 | Elizabeth Caflisch | 26 | Wife | — | Wisconsin |
| 49 | Neil Caflisch | 2 | Son | — | Wisconsin |
| 50 | Roger Caflisch | 1 | Son | — | Wisconsin |
| 51 | Philip Bump | 30 | Head | Farmer | Wisconsin |
| 52 | Margaret Bump | 27 | Wife | — | Wisconsin |
| 53 | John Bump | 7 | Son | — | Wisconsin |
| 54 | Herbert A. Schultz | 32 | Head | Farmer | Wisconsin |
| 55 | Dorothy Schultz | 30 | Wife | — | Iowa |
| 56 | Robert Schultz | 8 | Son | — | Wisconsin |
| 57 | William Schultz | 4 | Son | — | Wisconsin |
| 58 | Lawrence Luther | 38 | Head | Farmer | Wisconsin |
| 59 | Clara Luther | 41 | Wife | — | Wisconsin |
| 60 | Alfred Luther | 14 | Son | Farmer | Wisconsin |
| 61 | Edward Luther | 12 | Son | — | Wisconsin |
| 62 | Helene Luther | 11 | Daughter | — | Wisconsin |
| 63 | Harold Luther | 10 | Son | — | Wisconsin |
| 64 | Viola Luther | 8 | Daughter | — | Wisconsin |
| 65 | Irene Luther | 7 | Daughter | — | Wisconsin |
| 66 | Marian Luther | 4 | Daughter | — | Wisconsin |
| 67 | Leroy Luther | 2 | Son | — | Wisconsin |
| 68 | Lawrence Jr. Luther | 1 | Son | — | Wisconsin |
| 69 | Herbert Thomas | 56 | Head | Farming | Wisconsin |
| 70 | Vern Thomas | 51 | Wife | — | Minnesota |
| 71 | Audrey Thomas | 26 | Daughter | Housekeeper | Texas |
| 72 | Donald Thomas | 23 | Son | Farming | Missouri |
| 73 | Doris Thomas | 22 | Daughter | Housekeeper | Wisconsin |
| 74 | Roy Thomas THIS PERSON | 20 | Son | Housekeeper | Wisconsin |
| 75 | Buda Thomas | 18 | Daughter | — | Wisconsin |
| 76 | Karl Thomas | 16 | Son | — | Wisconsin |
| 77 | Edward R. Thomas | 83 | Head | Insurance | Wisconsin |
| 78 | Ernest Bump | 53 | Head | Farmer | Wisconsin |
| 79 | Frank Attridge | 58 | Head | Farmer | Wisconsin |
| 80 | Barbara Attridge | 58 | Wife | — | Wisconsin |
Related Census Records
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)