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Joan Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allen-County, Indiana
Our Model Tree links this Joan Smith across the 1930 and 1940 US Censuses in Allen-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 5-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allen-County, Indiana |
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Zanesville |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Fort Wayne |
| Est. Birth Year | ~1925 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joan | Age | Birth yr |
|---|---|---|---|---|
| Dean Smith | Son | — | 7 | ~1933 |
| Esther Smith | Spouse | — | 37 | ~1903 |
| Dale Smith | Son | — | 3 | ~1937 |
| Joan Smith | Daughter | — | 15 | ~1925 |
| Curtis Smith | Head | — | 37 | ~1903 |
Census Appearances
1930
Allen, Indiana
Daughter, age 6
Allen, Indiana · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jean M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Allen-County, Indiana
Daughter, age 15
Allen-County, Indiana · implied b. ~1925 — 5 household members
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Zanesville |
| Highest Grade | H 1 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Joan Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joan Smith
Daughter · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Dale Smith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean 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 — Allen-County, Indiana
Open full size
1940 US Federal Census — Allen-County, Indiana
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-01116-00950)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kate Hasbrook | 60 | Wife | — | Indiana |
| 42 | Darrell Zuber | 18 | Step-son | — | Indiana |
| 43 | Dallas Zuber | 16 | Step-son | — | Indiana |
| 44 | Curtis Smith | 37 | Head | Coil Winder | Indiana |
| 45 | Esther Smith | 37 | Wife | — | Indiana |
| 46 | Joan Smith THIS PERSON | 15 | Daughter | — | Indiana |
| 47 | Dean Smith | 7 | Son | — | Indiana |
| 48 | Dale Smith | 3 | Son | — | Indiana |
| 51 | Arthur Stahlhut | 26 | Head | Stock Room | Indiana |
| 52 | Mary Stahlhut | 26 | Wife | — | Indiana |
| 53 | Cornelius Roffelsen | 26 | Head | Truck Driver | Indiana |
| 54 | Ruth Roffelsen | 25 | Wife | — | Indiana |
| 55 | Ronald Roffelsen | 3 | Son | — | Indiana |
| 56 | Anthony Roffelsen | 0 | Son | — | Indiana |
| 57 | James Aiken | 55 | Head | Street Car Operator | Indiana |
| 58 | Edith Aiken | 54 | Wife | — | Indiana |
| 59 | Laura Aiken | 72 | Mother | — | Indiana |
| 60 | Ward Hurst | 54 | Head | Fireman Of Stationary | Indiana |
| 61 | Anna Hurst | 50 | Wife | — | Indiana |
| 62 | Wayne Hurst | 21 | Son | Filing In State Employment | Indiana |
| 63 | Robert Hurst | 16 | Son | — | Indiana |
| 64 | Dorothy Hurst | 14 | Daughter | — | Indiana |
| 65 | Elizabeth Hurst | 11 | Daughter | — | Indiana |
| 69 | Jerome Witt | 27 | Head | Adjuster | Illinois |
| 70 | Emma Witt | 28 | Wife | — | Illinois |
| 71 | Jeanne Witt | 1 | Daughter | — | Illinois |
| 72 | Herman Weber | 24 | Head | Manager | Indiana |
| 73 | Candace Weber | 23 | Wife | — | Michigan |
| 74 | Nancy Lou Weber | 4 | Daughter | — | Indiana |
| 75 | James Weber | 2 | Son | — | Indiana |
| 78 | Loring Gotschall | 38 | Head | Repair Water Coolers | Indiana |
| 79 | Mayel Gotschall | 38 | Wife | — | Indiana |
| 80 | Richard Gotschall | 9 | Son | — | Indiana |
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)