SS
Shirley Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Shirley Smith across the 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Smith |
| Given Name | Shirley M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Highest Grade | C 5 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Kewanee City |
| Est. Birth Year | ~1929 |
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 Shirley | Age | Birth yr |
|---|---|---|---|---|
| Shirley Smith | Daughter | — | 11 | ~1929 |
| Barbara Smith | Daughter | — | 1 | ~1939 |
| Betty Smith | Daughter | — | 15 | ~1925 |
| Claude Smith | Head | — | 43 | ~1897 |
| Claude Smith | Son | — | 14 | ~1926 |
| James Smith | Son | — | 13 | ~1927 |
| Robert Smith | Son | — | 10 | ~1930 |
| Pearl Smith | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Henry, Illinois
Daughter, age 1
Henry, Illinois · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Shirley Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Daughter, age 11
Henry-County, Illinois · implied b. ~1929 — 8 household members
| Surname | Smith |
| Given Name | Shirley M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Highest Grade | C 5 |
| 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 Shirley Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Shirley Smith
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Claude Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Smith
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Smith
Sibling · 1940 · age 15
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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00812-00435)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ellis J. Muchey | 38 | Head | Block Maker | Missouri |
| 42 | Merna Muchey | 37 | Wife | — | Illinois |
| 43 | Constance A. Muchey | 4 | Daughter | — | Illinois |
| 44 | Burton C. Plotz | 25 | Head | Clerical Work | Iowa |
| 45 | Dorothy D. Plotz | 23 | Wife | — | Wisconsin |
| 46 | Alex P. Unakis | 27 | Head | Packing | Illinois |
| 47 | Rosalie M. Unakis | 20 | Wife | — | Illinois |
| 48 | Roy Unakis | 0 | Son | — | Illinois |
| 49 | Camille Thaege | 42 | Head | Inspector | Belgium |
| 50 | Alice M. Thaege | 34 | Wife | — | Belgium |
| 51 | Madelein R. Thaege | 5 | Daughter | — | Illinois |
| 52 | Nels H. Eiker | 68 | Head | Janitor | Germany |
| 53 | Ernest Eiker | 66 | Wife | — | Germany |
| 54 | Frank H. Eiken | 43 | Son | Machinist | Illinois |
| 55 | Eugene F. Eiken | 13 | Granddaughter | — | Illinois |
| 56 | Shirley M. Eiken | 12 | Granddaughter | — | Illinois |
| 57 | Betty M. Eiken | 9 | Granddaughter | — | Illinois |
| 58 | Claude J. Eiken | 5 | Granddaughter | — | Illinois |
| 59 | Thomas M. Stewart | 55 | Head | Painter | Iowa |
| 60 | Mabelle C. Stewart | 53 | Wife | — | Illinois |
| 61 | Virgil Pulver | 51 | Head | Salesman | Illinois |
| 62 | Mabel Pulver | 45 | Wife | — | Illinois |
| 63 | Lelia E. Price | 43 | Head | — | Illinois |
| 64 | Ella J. Price | 13 | Daughter | — | Illinois |
| 65 | Marvin J. Price | 11 | Son | — | Illinois |
| 66 | Claude E. Smith | 43 | Head | Mechanic | Missouri |
| 67 | Pearl M. Smith | 34 | Wife | — | Illinois |
| 68 | Betty J. Smith | 15 | Daughter | — | Illinois |
| 69 | Claude Jr. Smith | 14 | Son | — | Illinois |
| 70 | James Smith | 13 | Son | — | Illinois |
| 71 | Shirley M. Smith THIS PERSON | 11 | Daughter | — | Illinois |
| 72 | Robert F. Smith | 10 | Son | — | Illinois |
| 73 | Barbara Smith | 1 | Daughter | — | Illinois |
| 74 | Albert Pritchard | 42 | Head | Machinist | Illinois |
| 75 | Wilbur A. Pritchard | 20 | Son | Assembler | Illinois |
| 76 | Roy V. Pritchard | 19 | Son | New Worker | Illinois |
| 77 | Donna J. Pritchard | 9 | Daughter | — | Illinois |
| 78 | Wayne J. Pritchard | 15 | Son | — | Illinois |
| 79 | Harry Grannaman | 37 | Head | Assembler | Iowa |
| 80 | Blanche Grannaman | 29 | Wife | — | 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)