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Joyce Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pocahontas-County, Iowa
Our Model Tree links this Joyce Johnson across the 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, Iowa |
| Surname | Johnson |
| Given Name | Joyce |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Colfax township |
| 1935 Residence (County) | Pocahontas |
| Additional Details | |
| Occupation | teacher |
| Industry | rural teacher |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 349 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Teacher |
| Township / Ward | Colfax Township |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joyce | Age | Birth yr |
|---|---|---|---|---|
| Roy Johnson | Son | — | 23 | ~1917 |
| Joyce Johnson | Daughter | — | 24 | ~1916 |
| Marion Johnson | Son | — | 20 | ~1920 |
| Clara Johnson | Spouse | — | 39 | ~1901 |
| Emiel Johnson | Head | — | 53 | ~1887 |
| Ardis Johnson | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Pocahontas, Iowa
Daughter, age 14
Pocahontas, Iowa · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Joyce |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pocahontas-County, Iowa
Daughter, age 24
Pocahontas-County, Iowa · implied b. ~1916 — 6 household members
| Surname | Johnson |
| Given Name | Joyce |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Colfax township |
| 1935 Residence (County) | Pocahontas |
| Occupation | teacher |
| Industry | rural teacher |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 349 |
| Highest Grade | C 1 |
| 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 Joyce Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joyce Johnson
Daughter · 1940 · age 24 · b. ~1916 · Iowa
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Sibling
Roy Johnson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ardis Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Johnson
Sibling · 1940 · age 20
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 — Pocahontas-County, Iowa
Open full size
1940 US Federal Census — Pocahontas-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01191-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd Johnson | 33 | Head | Farmer | Iowa |
| 2 | Florence Johnson | 29 | Wife | — | Iowa |
| 3 | Alfred G. Johnson | 26 | Head | Farmer | Iowa |
| 4 | Ida Johnson | 58 | Wife | — | Iowa |
| 5 | Arnold Johnson | 19 | Son | Farm Laborer | Iowa |
| 6 | Raymond Johnson | 15 | Son | — | Iowa |
| 7 | Carl L. Ekstrand | 50 | Head | Farmer | Iowa |
| 8 | Ellen Ekstrand | 47 | Wife | — | Nebraska |
| 9 | Lorain Ekstrand | 16 | Daughter | — | Iowa |
| 10 | Harriet Ekstrand | 13 | Daughter | — | Iowa |
| 11 | Carl Wilbur Ekstrand | 10 | Son | — | Iowa |
| 12 | Frederick E. Ekstrand | 4 | Son | — | Iowa |
| 13 | A. L. Olson | 49 | Head | Farmer | Iowa |
| 14 | Emma Olson | 51 | Wife | — | Iowa |
| 15 | Elmer Olson | 22 | Son | Farm Laborer | Iowa |
| 16 | Louise Olson | 12 | Daughter | — | Iowa |
| 17 | Arlene Olson | 9 | Daughter | — | Iowa |
| 18 | Gladys Olson | 7 | Daughter | — | Iowa |
| 19 | Milton Anderson | 23 | Head | Farmer | Iowa |
| 20 | Bernice Anderson | 20 | Wife | — | Iowa |
| 21 | Kenneth Anderson | 1 | Son | — | Iowa |
| 22 | Mrs. Emma Anderson | 70 | Head | — | Sweden |
| 23 | Emiel Johnson | 53 | Head | Farmer | Iowa |
| 24 | Clara E. Johnson | 39 | Wife | — | Kansas |
| 25 | Joyce Johnson THIS PERSON | 24 | Daughter | Teacher | Iowa |
| 26 | Roy C. (Ab) Johnson | 23 | Son | — | Iowa |
| 27 | Marion Johnson | 20 | Son | Farm Laborer | Iowa |
| 28 | Ardis L. (Ab) Johnson | 18 | Daughter | — | Iowa |
| 29 | O. T. Farmer | 46 | Head | Farmer | Iowa |
| 30 | Velma Farmer | 42 | Wife | — | Illinois |
| 31 | Ernest Olombery | 50 | Head | Farmer | Iowa |
| 32 | Rose Olombery | 46 | Wife | — | Iowa |
| 33 | Mrs. Karen Olombery | 84 | Mother | — | Norway |
| 34 | Mullmanda Levine | 83 | Mother-in-law | — | Sweden |
| 35 | Albert S. Levine | 44 | Brother-in-law | Farmer | Iowa |
| 36 | Herm. Juelfs | 61 | Head | Farmer | Germany |
| 37 | Engel Juelfs | 62 | Wife | — | Germany |
| 38 | Dora Juelfs | 23 | Daughter | — | Iowa |
| 39 | Henry Juelfs | 22 | Son | Farm Laborer | Iowa |
| 40 | Christian Juelfs | 20 | Son | Farm Laborer | 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)