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Douglas Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jersey-County, Illinois
Our Model Tree links this Douglas Smith across the 1930 and 1940 US Censuses in Jersey-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jersey-County, Illinois |
| Surname | Smith |
| Given Name | Douglas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Jersey Township |
| 1935 Residence (County) | Jersey |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Jersey Township |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Douglas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Smith | Head | — | 55 | ~1885 |
| Douglas Smith | Son | — | 17 | ~1923 |
| Lois Smith | Daughter | — | 13 | ~1927 |
| Lucy Smith | Spouse | — | 49 | ~1891 |
| Billy Smith | Son | — | 7 | ~1933 |
| Ralph Smith | Son | — | 15 | ~1925 |
Census Appearances
1930
Jersey, Illinois
Son, age 8
Jersey, Illinois · implied b. ~1922 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Douglas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jersey-County, Illinois
Son, age 17
Jersey-County, Illinois · implied b. ~1923 — 6 household members
| Surname | Smith |
| Given Name | Douglas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Jersey Township |
| 1935 Residence (County) | Jersey |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Douglas Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Douglas Smith
Son · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Lois Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Smith
Sibling · 1940 · age 7
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 — Jersey-County, Illinois
Open full size
1940 US Federal Census — Jersey-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00817-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Keith L. Reno | 2 | son | — | Illinois |
| 2 | Frank Fulkerson | 67 | Head | Farmer | Illinois |
| 3 | Charlotte Fulkerson | 55 | wife | — | Illinois |
| 4 | Frank Fulkerson | 21 | son | Farm Laborer | Illinois |
| 5 | Anna Geers | 67 | hired lady | Housework | Illinois |
| 6 | John R. Parnell | 76 | Head | — | Illinois |
| 7 | Willie R. Parnell | 58 | wife | — | Illinois |
| 8 | Clifford E. Stanley | 54 | Head | Farmer | Illinois |
| 9 | Imogene E. Stanley | 51 | wife | — | Illinois |
| 10 | Virginia E. Stanley | 20 | daughter | Clerk | Illinois |
| 11 | Betty Stanley | 18 | daughter | — | Illinois |
| 12 | Walter E. Weber | 75 | Head | Farmer | Ohio |
| 13 | Hattie Weber | 68 | wife | — | Illinois |
| 14 | Joseph Weber | 35 | son | Farm Laborer | Illinois |
| 15 | John Weber | 30 | son | Farm Laborer | Illinois |
| 16 | Georgia Weber | 28 | daughter | — | Illinois |
| 17 | Isabella Weber | 77 | sister | — | Ohio |
| 18 | Edgar R. Tarr | 45 | Head | Farmer | Illinois |
| 19 | Ida Tarr | 32 | wife | — | Illinois |
| 20 | Peter A. Steckel | 37 | Head | Farmer | Illinois |
| 21 | Cora Steckel | 36 | wife | — | Illinois |
| 22 | Joan V. Steckel | 7 | daughter | — | Illinois |
| 23 | Catherine L. Steckel | 11 | daughter | — | Illinois |
| 24 | Francis L. Steckel | 14 | son | — | Illinois |
| 25 | James Steckel | 2 | son | — | Illinois |
| 26 | Fred W. Steckel | 46 | brother | Farmer | Illinois |
| 27 | Leo F. Steckel | 54 | brother | Farmer | Illinois |
| 28 | Fred Snell | 54 | Head | Laborer | Illinois |
| 29 | Callie Snell | 51 | wife | — | Illinois |
| 30 | Warren Mains | 70 | Head | — | Illinois |
| 31 | Wilbur J. Rowden | 53 | Head | Farmer | Illinois |
| 32 | Edith A. Rowden | 48 | wife | — | Illinois |
| 33 | Mary V. Rowden | 18 | daughter | — | Illinois |
| 34 | Betty J. Rowden | 14 | daughter | — | Illinois |
| 35 | Thomas J. Smith | 55 | Head | Farmer | Illinois |
| 36 | Lucy A. Smith | 49 | wife | — | Illinois |
| 37 | Douglas Smith THIS PERSON | 17 | son | — | Illinois |
| 38 | Ralph R. Smith | 15 | son | — | Illinois |
| 39 | Lois L. Smith | 13 | daughter | — | Illinois |
| 40 | Billy X. Smith | 7 | son | — | 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)