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Betty Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Iowa
Our Model Tree links this Betty Smith across the 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Iowa |
| Surname | Smith |
| Given Name | Betty Jean |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Arion town (part in Paradise township) |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Arion Town Part In Paradise Township |
| 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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Bessie Smith | Daughter | — | 13 | ~1927 |
| Betty Smith | Daughter | — | 11 | ~1929 |
| Donna Smith | Daughter | — | 2 | ~1938 |
| Horace Smith | Head | — | 43 | ~1897 |
| Jerry Smith | Son | — | 5 | ~1935 |
| Jack Smith | Son | — | 10 | ~1930 |
| Joe Smith | Son | — | 8 | ~1932 |
| Mae Smith | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Crawford, Iowa
Daughter, age 1
Crawford, Iowa · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Crawford-County, Iowa
Daughter, age 11
Crawford-County, Iowa · implied b. ~1929 — 8 household members
| Surname | Smith |
| Given Name | Betty Jean |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Arion town (part in Paradise township) |
| 1935 Residence (County) | Crawford |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Betty Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Smith
Daughter · 1940 · age 11 · b. ~1929 · Iowa
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Sibling
Jack Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Smith
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Smith
Sibling · 1940 · age 8
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 — Crawford-County, Iowa
Open full size
1940 US Federal Census — Crawford-County, Iowa
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-01152-00450)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Delbert Furne | 37 | Head | Section Man | Iowa |
| 2 | Belle Furne | 34 | Wife | — | Iowa |
| 3 | Francis Furne | 8 | daughter | — | Iowa |
| 4 | Robert Furne | 6 | son | — | Iowa |
| 5 | Herman Petersen | 40 | Head | Bridge Carpenter | Iowa |
| 6 | Agnes Petersen | 35 | Wife | — | Iowa |
| 7 | Wayne Petersen | 7 | son | — | Iowa |
| 8 | Horace Smith | 43 | Head | Section Man | Alabama |
| 9 | Mae Smith | 39 | Wife | — | Iowa |
| 10 | Bessie Smith | 13 | daughter | — | Iowa |
| 11 | Betty Jean Smith THIS PERSON | 11 | daughter | — | Iowa |
| 12 | Jack Smith | 10 | son | — | Iowa |
| 13 | Joe Smith | 8 | son | — | Iowa |
| 14 | Jerry Smith | 5 | son | — | Iowa |
| 15 | Donna Mae Smith | 2 | daughter | — | Iowa |
| 16 | John Frommletley|Frommletty | 67 | Head | — | Pennsylvania |
| 17 | Ed Dorsey | 58 | Head | Pumper | Iowa |
| 18 | Christine Dorsey | 55 | Wife | — | Germany |
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)