HJ
Helen Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Platte-County, Missouri
Our Model Tree links this Helen Johnson across the 1920, 1930 and 1940 US Censuses in Platte-County, Missouri (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Platte-County, Missouri |
| Surname | Johnson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Leavenworth |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Retail grocery |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Kansas |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Bookkeeper |
| Township / Ward | Platte City City |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Johnson | Daughter | — | 33 | ~1907 |
| Jim Johnson | Head | — | 52 | ~1888 |
| Elsie Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Platte, Missouri
Daughter, age 13
Platte, Missouri · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Platte, Missouri
Daughter, age 24
Platte, Missouri · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Helen A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Occupation | Book-keeper |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Platte-County, Missouri
Daughter, age 33
Platte-County, Missouri · implied b. ~1907 — 3 household members
| Surname | Johnson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Leavenworth |
| Occupation | Bookkeeper |
| Industry | Retail grocery |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Kansas |
| 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 Helen Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Johnson (~0.92 confidence) and father George Johnson (~0.92 confidence) and father Jim Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and mother Emily Johnson (~0.92 confidence) and mother Elsie Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
George Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Jim Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Emily Johnson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Elsie Johnson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Johnson
Daughter · 1940 · age 33 · b. ~1907 · Missouri
★ 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 — Platte-County, Missouri
Open full size
1940 US Federal Census — Platte-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02141-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice M. Pope | 15 | Daughter | — | Missouri |
| 42 | Millard A. Jr. Pope | 14 | Son | — | Missouri |
| 43 | George Roger Pope | 13 | Son | — | Missouri |
| 44 | Emma Q. Bawer | 68 | Mother-in-law | — | Missouri |
| 45 | James L. Sweeney | 41 | Head | Junior Engineer | Missouri |
| 46 | Irene Sweeney | 34 | Wife | — | Missouri |
| 47 | Jimmie L. Sweeney | 9 | Son | — | Missouri |
| 48 | Louis D. Brunston | 32 | Head | Dray Operator | Missouri |
| 49 | Mollie R. Brunston | 32 | Wife | — | Missouri |
| 50 | David H. Brunston | 6 | Son | — | Missouri |
| 51 | Stanley M. Brunston | 3 | Son | — | Missouri |
| 52 | Belle Martin | 40 | House Keeper | House Keeper | Kansas |
| 53 | Gordon E. Waters | 68 | Head | — | Missouri |
| 54 | Delia M. Waters | 63 | Wife | — | Missouri |
| 55 | Gordon E. Waters | 33 | Son | Mechanic | Missouri |
| 56 | Chester A. Waters | 31 | Son | Night Watchman | Missouri |
| 57 | Lou Walker | 71 | Head | — | Missouri |
| 58 | Robert Kallam | 64 | Head | Line Man | Missouri |
| 59 | Amal Kallam | 52 | Wife | — | Missouri |
| 60 | Blanche Kallam | 29 | Daughter | Operator | Missouri |
| 61 | Robert P. Kallam | 26 | Son | New Worker | Missouri |
| 62 | Henry Kallam | 19 | Son | Mortician Apprent | Missouri |
| 63 | L. F. Rollins | 58 | Head | Mortician | Missouri |
| 64 | Mary J. Rollins | 53 | Wife | — | Georgia |
| 65 | Jim G. Johnson | 52 | Head | Grocery Clerk | Missouri |
| 66 | Elsie Johnson | 52 | Wife | — | Missouri |
| 67 | Helen Johnson THIS PERSON | 33 | Daughter | Bookkeeper | Missouri |
| 68 | Frank B. Baker | 64 | Head | Painter | Missouri |
| 69 | Maude L. Baker | 59 | Wife | — | Missouri |
| 70 | Jennie D. Dillingham | 65 | Head | — | Missouri |
| 71 | Herbert C. Ellis | 31 | Head | Mechanic | Missouri |
| 72 | Bernice J. Ellis | 24 | Wife | — | Missouri |
| 73 | Paul D. Rodgers | 39 | Head | Teacher | Missouri |
| 74 | Laura Rodgers | 34 | Wife | — | Missouri |
| 75 | Patricia A. Rodgers | 5 | Daughter | — | Missouri |
| 76 | Paul M. Rodgers | 12 | Son | — | Missouri |
| 77 | Vernon V. Bridges | 33 | Head | Teacher | Missouri |
| 78 | Kathryn Bridges | 28 | Wife | — | Colorado |
| 79 | Clarence Vogel | 27 | Lodger | Engineer | Missouri |
| 80 | Roland M. Coffee | 25 | Head | Painter | Missouri |
Pedigree Summary
Helen
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)