BJ
Blanche Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Iowa
Our Model Tree links this Blanche Johnson across the 1920, 1930 and 1940 US Censuses in Union-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 5-person household.
Age 45
b. ~1895
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Iowa |
| Surname | Johnson |
| Given Name | Blanche O |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Teaching |
| Industry | Public school |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 344 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Teaching |
| Township / Ward | Dodge Township |
| Est. Birth Year | ~1895 |
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 Blanche | Age | Birth yr |
|---|---|---|---|---|
| Fern Johnson | Daughter | — | 19 | ~1921 |
| Betty Johnson | Daughter | — | 12 | ~1928 |
| Blanche Johnson | Spouse | — | 45 | ~1895 |
| Lloyd Johnson | Head | — | 44 | ~1896 |
| Donna Johnson | Daughter | — | 7 | ~1933 |
Census Appearances
1920
Union, Iowa
Spouse, age 25
Union, Iowa · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Blanch |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Union, Iowa
Other, age 35
Union, Iowa · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Blanch |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Union-County, Iowa
Spouse, age 45
Union-County, Iowa · implied b. ~1895 — 5 household members
| Surname | Johnson |
| Given Name | Blanche O |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Occupation | Teaching |
| Industry | Public school |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 344 |
| Highest Grade | 8 |
| 1935 Residence | Iowa |
| 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 Blanche Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Blanche Johnson
Spouse · 1940 · age 45 · b. ~1895 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, Iowa
Open full size
1940 US Federal Census — Union-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01208-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cynthia E Roberts | 75 | Wife | — | Illinois |
| 2 | Mearl Weidner | 53 | Head | Farming | Kansas |
| 3 | Mabel L Weidner | 52 | Wife | — | Missouri |
| 4 | Edward Sullivan | 62 | Boarder | Laborer | Kentucky |
| 5 | Vesta Hildreth | 21 | Lodger | School Teacher | Iowa |
| 6 | Lloyd R Johnson | 44 | Head | Farming | Iowa |
| 7 | Blanche O Johnson THIS PERSON | 45 | Wife | Teaching | Iowa |
| 8 | Fern M Johnson | 19 | Daughter | — | Iowa |
| 9 | Betty J Johnson | 12 | Daughter | — | Iowa |
| 10 | Donna L Johnson | 7 | Daughter | — | Iowa |
| 11 | James H Hickle | 61 | Head | Farming | Kansas |
| 12 | Laura E Hickle | 49 | Wife | — | New York |
| 13 | George W Burdette | 53 | Head | Farming | Iowa |
| 14 | Anna W Burdette | 58 | Wife | — | Illinois |
| 15 | Harry W Applegate | 45 | Head | Farming | Iowa |
| 16 | Vida C Applegate | 45 | Wife | — | Iowa |
| 17 | Ivan W Applegate | 21 | Son | Farming | Iowa |
| 18 | Martha D Applegate | 18 | Daughter | — | Iowa |
| 19 | True R Courter | 38 | Head | Farming | Iowa |
| 20 | Hazel R Courter | 35 | Wife | — | Iowa |
| 21 | Lyle Tyler | 49 | Head | Farming | Iowa |
| 22 | Amand E Tyler | 49 | Wife | — | Nebraska |
| 23 | Iris M Tyler | 20 | Daughter | — | Iowa |
| 24 | Orlo K Tyler | 17 | Son | — | Iowa |
| 25 | Orlo D Tyler | 83 | Father | — | Ohio |
| 26 | Fredrick W Lahr | 38 | Head | Farming | Iowa |
| 27 | Lucille I Lahr | 29 | Wife | — | Iowa |
| 28 | Ervin W Eddy | 44 | Head | Farming | Iowa |
| 29 | Flossie V Eddy | 43 | Wife | — | Missouri |
| 30 | Gerald Franklin | 33 | Head | Farming | Iowa |
| 31 | Francis P Franklin | 32 | Wife | — | Illinois |
| 32 | Richard Franklin | 9 | Son | — | Iowa |
| 33 | Deann Franklin | 4 | Daughter | — | Iowa |
| 34 | Philip L Franklin | 2 | Son | — | Iowa |
| 35 | Charles Hupp | 55 | Head | Farming | Iowa |
| 36 | Rollie Lake | 55 | Lodger | Carpenter | Iowa |
| 37 | Nick Lake | 12 | Lodger | — | Iowa |
| 38 | Raymond E Black | 27 | Head | Farming | Iowa |
| 39 | Thelma O Black | 31 | Wife | — | Iowa |
| 40 | Lee Ruckman | 43 | Brother-in-law | Farming | 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)