RD
Roy Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Roy Davis across the 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 9-person household.
Age 49
b. ~1891
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Davis |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Wood River |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | PW |
| Income (1939) | 340 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Painter |
| Township / Ward | Wood River City |
| Est. Birth Year | ~1891 |
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 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Catherine Davis | Daughter | — | 12 | ~1928 |
| Shirley Davis | Daughter | — | 7 | ~1933 |
| Aileen Davis | Daughter | — | 17 | ~1923 |
| Barbara Davis | Daughter | — | 1 | ~1939 |
| Roy Davis | Head | — | 49 | ~1891 |
| Roy Davis | Son | — | 15 | ~1925 |
| James Davis | Son | — | 9 | ~1931 |
| Richard Davis | Son | — | 4 | ~1936 |
| Rachel Davis | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Madison, Illinois
Head, age 40
Madison, Illinois · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Roy H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 24 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Painter |
| Industry | Paint |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1100 |
| Radio Set | R |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Madison-County, Illinois
Head, age 49
Madison-County, Illinois · implied b. ~1891 — 9 household members
| Surname | Davis |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Wood River |
| 1935 Residence (County) | Madison |
| Occupation | Painter |
| Industry | Contractor |
| Class of Worker | PW |
| Income (1939) | 340 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Davis
Head · 1940 · age 49 · b. ~1891 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00851-00853)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Nuetzman | 23 | Wife | Housewife | Illinois |
| 2 | Sally Jo Nuetzman | 5 | Daughter | — | Illinois |
| 3 | Bonnie H. Nuetzman | 4 | Daughter | — | Illinois |
| 4 | Cora Ellerman | 48 | Head | House Maid | Illinois |
| 5 | Harold Ellerman | 23 | Son | Mechanic | Illinois |
| 6 | Bernard Ellerman | 17 | Nephew | Student | Illinois |
| 7 | M. A. Flanders | 39 | Head | Agent | Illinois |
| 8 | Edna Flanders | 33 | Wife | Housewife | Illinois |
| 9 | Mahanet Flanders | 10 | Son | — | Illinois |
| 10 | Caroline Flanders | 5 | Daughter | — | Illinois |
| 11 | John Sheets | 31 | Head | Laborer | Missouri |
| 12 | Addie Sheets | 19 | Wife | Housewife | Tennessee |
| 13 | Mary Helen Sheets | 0 | Daughter | — | Illinois |
| 14 | Catherine R. Wood | 81 | Head | Housewife | Illinois |
| 15 | Roy Davis THIS PERSON | 49 | Head | Painter | Tennessee |
| 16 | Rachel Davis | 43 | Wife | Housewife | Tennessee |
| 17 | Aileen Davis | 17 | Daughter | House Maid | Tennessee |
| 18 | Roy J. Davis | 15 | Son | Student | Tennessee |
| 19 | Catherine Davis | 12 | Daughter | — | Illinois |
| 20 | James Davis | 9 | Son | — | Illinois |
| 21 | Shirley J. Davis | 7 | Daughter | — | Illinois |
| 22 | Richard Davis | 4 | Son | — | Illinois |
| 23 | Barbara J. Davis | 1 | Daughter | — | Illinois |
| 24 | Charles Wolf | 52 | Head | Laborer | Missouri |
| 25 | Leslie Kennedy | 27 | Head | Helper | Illinois |
| 26 | Eileen Kennedy | 25 | Wife | Housewife | Illinois |
| 27 | Reba Henderson | 9 | Daughter | — | Illinois |
| 28 | Maxine Henderson | 7 | Daughter | — | Illinois |
| 29 | Calvin Evans | 23 | Head | Server | Missouri |
| 30 | Jadine Evans | 22 | Wife | — | Arkansas |
| 31 | James Evans | 2 | Son | — | Missouri |
| 32 | W. M. Schumacher | 35 | Head | Operator Helper | Illinois |
| 33 | Helen A. Schumacher | 38 | Wife | Housewife | Illinois |
| 34 | Robert Schumacher | 11 | Son | — | Illinois |
| 35 | James Schumacher | 6 | Son | — | Illinois |
| 36 | Elza White | 34 | Head | Asbestos Worker | Illinois |
| 37 | Clarabelle White | 36 | Wife | Housewife | Illinois |
| 38 | Louise White | 17 | Daughter | — | Illinois |
| 39 | Arthur White | 17 | Son | — | Illinois |
| 40 | Dorothy White | 15 | Daughter | — | Illinois |
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)