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Joan Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jasper-County, Missouri
Our Model Tree links this Joan Smith across the 1930 and 1940 US Censuses in Jasper-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jasper-County, Missouri |
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Mineral |
| 1935 Residence (County) | Jasper |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Mineral |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joan | Age | Birth yr |
|---|---|---|---|---|
| Joan Smith | Daughter | — | 11 | ~1929 |
| Phillip Smith | Son | — | 18 | ~1922 |
| Mary Smith | Daughter | — | 20 | ~1920 |
| F Mink | Other | — | 78 | ~1862 |
| Basil Smith | Son | — | 16 | ~1924 |
| D Smith | Head | — | 54 | ~1886 |
| Levina Smith | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Jasper, Missouri
Daughter, age 1
Jasper, Missouri · implied b. ~1929 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Joan E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jasper-County, Missouri
Daughter, age 11
Jasper-County, Missouri · implied b. ~1929 — 7 household members
| Surname | Smith |
| Given Name | Joan |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Mineral |
| 1935 Residence (County) | Jasper |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 11 · b. ~1929 · Missouri
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Sibling
Mary Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Basil Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Smith
Sibling · 1940 · age 18
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 — Jasper-County, Missouri
Open full size
1940 US Federal Census — Jasper-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02118-00854)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josie Wise | 17 | Wife | Farming | Missouri |
| 42 | M. M. Shafer | 61 | Head | Farming | Virginia |
| 43 | Adelaide Shafer | 59 | Wife | — | Iowa |
| 44 | Guy Wm Shafer | 19 | Son | — | Missouri |
| 45 | T. S. Fosdick | 66 | Head | Farming | Missouri |
| 46 | Flora May Fosdick | 63 | Wife | — | Kansas |
| 47 | D. R. Smith | 54 | Head | Mining Machinery | Missouri |
| 48 | Levina Smith | 49 | Wife | — | Missouri |
| 49 | Mary Smith | 20 | Daughter | — | Missouri |
| 50 | Phillip Smith | 18 | Son | — | Missouri |
| 51 | Basil Smith | 16 | Son | — | Missouri |
| 52 | Joan Smith THIS PERSON | 11 | Daughter | — | Missouri |
| 53 | F. R. Mink | 78 | Father-in-law | — | Missouri |
| 54 | Roy Radford | 53 | Head | Farming | Missouri |
| 55 | Roberta Radford | 46 | Wife | — | Missouri |
| 56 | Doris Radford | 16 | Daughter | — | Missouri |
| 57 | Hellen Radford | 14 | Daughter | — | Missouri |
| 58 | Virginia Radford | 11 | Daughter | — | Missouri |
| 59 | Mary Anne Radford | 9 | Daughter | — | Missouri |
| 60 | Kathline Radford | 7 | Daughter | — | Missouri |
| 61 | Z. D. Rose | 38 | Head | Farming | Missouri |
| 62 | Irene Rose | 38 | Wife | — | Missouri |
| 63 | Delbert Rose | 17 | Son | — | Missouri |
| 64 | Wm Loyd Rose | 16 | Son | — | Missouri |
| 65 | Dean Rose | 12 | Son | — | Missouri |
| 66 | Max Eugene Rose | 10 | Son | — | Missouri |
| 67 | Darrel Rose | 63 | Head | Farming | Missouri |
| 68 | Eva Rose | 58 | Wife | — | Missouri |
| 69 | Leonard Rose | 22 | Son | Farming With Father | Missouri |
| 70 | Earl Gunnell | 26 | Head | Stock Buyer | Missouri |
| 71 | Sylvia Gunnell | 23 | Wife | — | Michigan |
| 72 | D. R. Hodson | 65 | Head | Farmer Gardening | Kansas |
| 73 | Mary A. Hodson | 63 | Wife | — | Missouri |
| 74 | Harvey Hodson | 38 | Head | Farmer | Missouri |
| 75 | Lida L. Hodson | 36 | Wife | — | Missouri |
| 76 | Stephen E. Hodson | 1 | Son | — | Missouri |
| 77 | Frank Wright | 61 | Head | Stone Mason Contractor | Missouri |
| 78 | Margaret Wright | 59 | Wife | — | Missouri |
| 79 | Gretchel John | 34 | Daughter | — | Missouri |
| 80 | Robert L. John | 15 | Gr. Son | — | Missouri |
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)