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Joan Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Miami-County, Indiana
Our Model Tree links this Joan Smith across the 1930 and 1940 US Censuses in Miami-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 5-person household.
Age 16
b. ~1924
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Miami-County, Indiana |
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Butler Twp. |
| 1935 Residence (County) | Miami |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Butler Twp |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Emily Smith | Daughter | — | 6 | ~1934 |
| Marion Smith | Spouse | — | 38 | ~1902 |
| Joan Smith | Daughter | — | 16 | ~1924 |
| Leon Smith | Daughter | — | 11 | ~1929 |
| Emil Smith | Head | — | 39 | ~1901 |
Census Appearances
1930
Miami, Indiana
Daughter, age 6
Miami, Indiana · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Joann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Miami-County, Indiana
Daughter, age 16
Miami-County, Indiana · implied b. ~1924 — 5 household members
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Butler Twp. |
| 1935 Residence (County) | Miami |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 16 · b. ~1924 · Indiana
★ You are viewing this record
Sibling
Leon Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Smith
Sibling · 1940 · age 6
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 — Miami-County, Indiana
Open full size
1940 US Federal Census — Miami-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01078-00034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Jane Walker | 4 | daughter | — | Indiana |
| 42 | George E. Walker | 3 | son | — | Indiana |
| 43 | Barbara Ellen Walker | 1 | daughter | — | Indiana |
| 44 | Theodore Faust | 25 | head | Electrician | Tenn. |
| 45 | Anna Faust | 21 | wife | — | Indiana |
| 46 | Theodore Jr. Faust | 3 | son | — | Indiana |
| 47 | Robert M. Faust | 2 | son | — | Indiana |
| 48 | George L. Buyer | 63 | head | — | Indiana |
| 49 | Bertha L. Buyer | 63 | wife | — | Indiana |
| 50 | Paul Dawson | 40 | head | Mechanic | Indiana |
| 51 | Ethel Dawson | 50 | wife | — | Indiana |
| 52 | Neva Louise Dawson | 7 | daughter | — | Indiana |
| 53 | George B. Ralston | 74 | head | — | Indiana |
| 54 | Pearl Miller | 74 | head | — | Indiana |
| 55 | Clyde Means | 47 | head | Butcher | Indiana |
| 56 | Leona Means | 47 | wife | — | Indiana |
| 57 | Franklin Means | 6 | son | — | Indiana |
| 58 | Frank Wilson | 30 | head | — | Indiana |
| 59 | Margaret Wilson | 25 | wife | — | Indiana |
| 60 | Daniel J. Wilson | 1 | son | — | Indiana |
| 61 | Jess Stitt | 50 | head | Clerk | Indiana |
| 62 | Eva Stitt | 49 | wife | — | Indiana |
| 63 | Clara Jean Stitt | 22 | daughter | Seamstress | Indiana |
| 64 | Dallis Stitt | 11 | son | — | Indiana |
| 65 | Emil Smith | 39 | head | Clerk | Indiana |
| 66 | Marion Smith | 38 | wife | — | Indiana |
| 67 | Joan Smith THIS PERSON | 16 | daughter | — | Indiana |
| 68 | Leon Smith | 11 | daughter | — | Indiana |
| 69 | Emily Smith | 6 | daughter | — | Indiana |
| 70 | Florence Smith | 71 | head | — | Indiana |
| 71 | Lura Fogle | 58 | head | — | Indiana |
| 72 | Raymond Fogle | 17 | son | New Work | Indiana |
| 73 | Rose Ward | 65 | head | — | Indiana |
| 74 | Minnie Comerford | 52 | head | — | Indiana |
| 75 | Beulah Comerford | 31 | daughter | — | Indiana |
| 76 | Robert Comerford | 31 | son | Clerk | Indiana |
| 77 | Charles Arbuckle | 50 | head | Brick Mason | Indiana |
| 78 | Effie Arbuckle | 61 | wife | — | Indiana |
| 79 | Clara Elaine | 52 | head | Laborer | Indiana |
| 80 | Carl Elaine | 46 | brother | Laborer | 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)