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Shirley Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Webster-County, Iowa
Our Model Tree links this Shirley Johnson across the 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Webster-County, Iowa |
| Surname | Johnson |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Hardin Twp |
| 1935 Residence (County) | Webster |
| Additional Details | |
| Highest Grade | G-5 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Hardin Twp |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Shirley | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Johnson | Daughter | — | 2 | ~1938 |
| Shirley Johnson | Daughter | — | 11 | ~1929 |
| J Johnson | Head | — | 43 | ~1897 |
| Marvin Johnson | Son | — | 10 | ~1930 |
| Orland Johnson | Son | — | 16 | ~1924 |
| Phillip Johnson | Son | — | 2 | ~1938 |
| Maxwell Johnson | Son | — | 18 | ~1922 |
| Carroll Johnson | Son | — | 14 | ~1926 |
| Nellie Johnson | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Webster, Iowa
Other, age
Webster, Iowa · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Shirley M. |
| Relationship to Head | Grandchild |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Webster-County, Iowa
Daughter, age 11
Webster-County, Iowa · implied b. ~1929 — 9 household members
| Surname | Johnson |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Hardin Twp |
| 1935 Residence (County) | Webster |
| Highest Grade | G-5 |
| 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 Shirley Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Shirley Johnson
Daughter · 1940 · age 11 · b. ~1929 · Iowa
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Sibling
Carroll Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxwell Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orland Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Johnson
Sibling · 1940 · age 10
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 — Webster-County, Iowa
Open full size
1940 US Federal Census — Webster-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01212-00329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Dickson | 39 | Head | Farmer | Iowa |
| 2 | Evelyn Dickson | 28 | Wife | — | Sweden |
| 3 | Albin Erickson | 33 | Head | Farmer | Sweden |
| 4 | Elaine Erickson | 40 | Wife | — | Iowa |
| 5 | Margaret Erickson | 8 | Daughter | — | Iowa |
| 6 | Dorothy Erickson | 5 | Daughter | — | Iowa |
| 7 | J. O. Johnson | 43 | Head | Farming | Iowa |
| 8 | Nellie Johnson | 42 | Wife | — | Iowa |
| 9 | Maxwell Johnson | 18 | Son | — | Iowa |
| 10 | Orland Johnson | 16 | Son | Farming | Iowa |
| 11 | Carroll Johnson | 14 | Son | — | Iowa |
| 12 | Shirley Johnson THIS PERSON | 11 | Daughter | — | Iowa |
| 13 | Marvin Johnson | 10 | Son | — | Iowa |
| 14 | Phillip Johnson | 2 | Son | — | Iowa |
| 15 | Phyllis Johnson | 2 | Daughter | — | Iowa |
| 16 | Gunnar Swanson | 42 | Head | Farming | Sweden |
| 17 | Anna Anderson | 69 | Mother | — | Sweden |
| 18 | Gust Anderson | 71 | Head | — | Sweden |
| 19 | Sigurd Benchla | 30 | Head | Labor | Iowa |
| 20 | Mabel Benchla | 29 | Wife | — | Iowa |
| 21 | Ernest Benchla | 9 | Son | — | Iowa |
| 22 | Joyce Mae Benchla | 7 | Daughter | — | Iowa |
| 23 | Harold Benchla | 4 | Son | — | Iowa |
| 24 | Benjamin Benchla | 4 | Son | — | Iowa |
| 25 | Robert Benchla | 3 | Son | — | Iowa |
| 26 | Marie Benchla | 1 | Daughter | — | Iowa |
| 27 | Charles Benchla | 0 | Son | — | Iowa |
| 28 | T. H. Farley | 55 | Head | Farmer | Iowa |
| 29 | Mabel Farley | 55 | Wife | — | Iowa |
| 30 | Gust Howerburg | 77 | Head | — | Sweden |
| 31 | Sigrid Howerburg | 38 | Daughter | — | Iowa |
| 32 | Oscar Howerburg | 44 | Head | Farming | Iowa |
| 33 | Helen Howerburg | 42 | Wife | — | Iowa |
| 34 | Elmer Vielen | 62 | Head | Farmer | Iowa |
| 35 | Signe Vielen | 60 | Wife | — | Sweden |
| 36 | Charles Lungren | 57 | Head | Farming | Iowa |
| 37 | Lilly Lungren | 47 | Wife | — | Iowa |
| 38 | Bertha Hanson | 60 | Wife | Farmer | Iowa |
| 39 | Clara Olson | 77 | Mother-in-law | — | Sweden |
| 40 | C. F. Habel | 46 | Head | Farmer | Iowa |
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)