PS
Phyllis Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dekalb-County, Illinois
Our Model Tree links this Phyllis Smith across the 1930 and 1940 US Censuses in Dekalb-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dekalb-County, Illinois |
| Surname | Smith |
| Given Name | Phyllis J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | De Kalb |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Franklin Township |
| Est. Birth Year | ~1928 |
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 Phyllis | Age | Birth yr |
|---|---|---|---|---|
| Virginia Smith | Daughter | — | 5 | ~1935 |
| Phyllis Smith | Daughter | — | 12 | ~1928 |
| Brother Emmerson | Other | — | 34 | ~1906 |
| Richard Smith | Son | — | 1 | ~1939 |
| Phillip Smith | Head | — | 36 | ~1904 |
| Edith Smith | Spouse | — | 34 | ~1906 |
| Francis Smith | Son | — | 11 | ~1929 |
| John Smith | Son | — | 9 | ~1931 |
Census Appearances
1930
Dekalb, Illinois
Daughter, age 1
Dekalb, Illinois · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Phyllis Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Dekalb-County, Illinois
Daughter, age 12
Dekalb-County, Illinois · implied b. ~1928 — 8 household members
| Surname | Smith |
| Given Name | Phyllis J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | De Kalb |
| Highest Grade | 6 |
| 1935 Residence | Illinois |
| 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 Phyllis Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Phyllis Smith
Daughter · 1940 · age 12 · b. ~1928 · Illinois
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Sibling
Francis Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1940 · age 1
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 — Dekalb-County, Illinois
Open full size
1940 US Federal Census — Dekalb-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00793-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Darrel W. Brace | 9 | Son | — | Illinois |
| 42 | Grace E. Owens | 38 | Servant | Servant | California |
| 43 | Herman Johnson | 38 | Head | Farmer | Illinois |
| 44 | Beatrice Johnson | 43 | Wife | Landscape Gardener | Illinois |
| 45 | Phillip T. Smith | 36 | Head | Farmer | Pennsylvania |
| 46 | Edith E. Smith | 34 | Wife | — | Illinois |
| 47 | Phyllis J. Smith THIS PERSON | 12 | Daughter | — | Illinois |
| 48 | Francis H. Smith | 11 | Son | — | Illinois |
| 49 | John P. Smith | 9 | Son | — | Illinois |
| 50 | Virginia Smith | 5 | Daughter | — | Illinois |
| 51 | Richard B. Smith | 1 | Son | — | Illinois |
| 52 | Brother Emmerson | 34 | Brother | Laborer | Pennsylvania |
| 53 | Michael Romani | 63 | Head | Farmer | Germany |
| 54 | Martha Blades | 46 | Servant | Domestic | Iowa |
| 55 | Joyce Grimshaw | 13 | Daughter | — | Illinois |
| 56 | Gustaf Weisner | 54 | Hired hand | Laborer | Oregon |
| 57 | Fred Reed | 59 | Hired hand | Laborer | Illinois |
| 58 | Adam X. Ramer | 52 | Head | Farmer | Germany |
| 59 | Emma M. Ramer | 47 | Wife | — | Minnesota |
| 60 | Max E. Ramer | 21 | Son | Laborer | Illinois |
| 61 | Herbert R. Ramer | 16 | Son | — | Iowa |
| 62 | Esther E. Ramer | 15 | Daughter | — | Iowa |
| 63 | Irwin H. Ramer | 12 | Son | — | Iowa |
| 64 | Phyllis J. Ramer | 5 | Daughter | — | Illinois |
| 65 | Helen Haenitsch | 26 | Daughter | — | Minnesota |
| 66 | Harold W. Haenitsch | 2 | Grandson | — | Illinois |
| 67 | Howard W. Ramer | 63 | Head | Farmer | Pennsylvania |
| 68 | Grace L. Ramer | 62 | Wife | — | Pennsylvania |
| 69 | Charles D. Klick | 50 | Head | Farmer | Pennsylvania |
| 70 | Vera M. Klick | 44 | Wife | — | Illinois |
| 71 | Carol B. Klick | 16 | Daughter | — | Illinois |
| 72 | Carl A. Rehn | 52 | Head | Farmer | Illinois |
| 73 | Petra S. Rehn | 46 | Wife | — | Illinois |
| 74 | Kenneth B. Rehn | 17 | Son | — | Illinois |
| 75 | Eunice M. Rehn | 12 | Daughter | — | Illinois |
| 76 | Herbert G. Johns | 58 | Head | Farmer | Illinois |
| 77 | Eva Johns | 52 | Wife | — | Illinois |
| 78 | Janet Johns | 21 | Daughter | Servant | Illinois |
| 79 | Mabel L. Johns | 18 | Daughter | — | Illinois |
| 80 | Lawrence Hollenbeak | 31 | Head | Laborer | 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)