MJ
Marjorie Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Marjorie Johnson across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Saml & Ethel — first a daughter (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | City of Ladue |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Artist |
| Industry | Fine Arts |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Artist |
| Township / Ward | City Of Ladue |
| Est. Birth Year | ~1917 |
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 Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Florence Johnson | Daughter | — | 28 | ~1912 |
| Marjorie Johnson | Daughter | — | 23 | ~1917 |
| Ethel Johnson | Head | — | 60 | ~1880 |
Census Appearances
1920
St Louis, …
Daughter, age 2
St Louis, Missouri · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Daughter, age 13
St Louis, Missouri · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marjorie F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Daughter, age 23
St.-Louis-County, Missouri · implied b. ~1917 — 3 household members
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | City of Ladue |
| 1935 Residence (County) | St. Louis |
| Occupation | Artist |
| Industry | Fine Arts |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| 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 Marjorie Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Saml Johnson (~0.92 confidence) and mother Ethel Johnson (~0.92 confidence) and mother Ethel Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Saml Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Ethel Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Ethel Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marjorie Johnson
Daughter · 1940 · age 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Florence Johnson
Sibling · 1940 · age 28
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02148-00335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joyce Ann Willenbrock | 1 | Daughter | — | Missouri |
| 2 | Tullius C. Tupper | 61 | Head | President | Arkansas |
| 3 | Marguerite E. Tupper | 61 | Wife | — | Arkansas |
| 4 | William R. Tupper | 29 | Son | Office Clerk | Missouri |
| 5 | Isabel Wilke | 27 | Servant | Maid | Missouri |
| 6 | Otis Lowe | 41 | Servant | Gardener | Tennessee |
| 7 | Blasdel Shapleigh | 52 | Head | Asst. Secretary | Missouri |
| 8 | Dorothy S. Shapleigh | 46 | Wife | — | Canada |
| 9 | George S. Shapleigh | 18 | Son | — | Missouri |
| 10 | John B. Ii Shapleigh | 17 | Son | — | Missouri |
| 11 | James C. Shapleigh | 13 | Son | — | Missouri |
| 12 | John Wright | 50 | Servant | Gardener | Kentucky |
| 13 | Anna Thompson | 40 | Servant | Cook | Kentucky |
| 14 | John H. Hayward | 35 | Head | Executive Partner | Missouri |
| 15 | Cynthia P. Hayward | 30 | Wife | — | Missouri |
| 16 | Cynthia P. Hayward | 7 | Daughter | — | Missouri |
| 17 | John H. Jr. Hayward | 1 | Son | — | Missouri |
| 18 | Josie Krieger | 53 | Servant | Nurse-Maid | Germany |
| 19 | — | None | — | — | — |
| 20 | Paul J. Haidusek | 30 | Head | Gardener | Missouri |
| 21 | Geneva Haidusek | 22 | Wife | — | Missouri |
| 22 | Louise Ann Haidusek | 1 | Daughter | — | Missouri |
| 23 | Theodore H. Stupsky | 44 | Head | Proprietor | Missouri |
| 24 | Mildred C. Stupsky | 36 | Wife | Asst. Buyer | Russia |
| 25 | Levi Gates | 66 | Head | Gardener | Mississippi |
| 26 | Mark C. Steinberg | 57 | Head | President | Missouri |
| 27 | Etta E. Steinberg | 54 | Wife | — | Missouri |
| 28 | Ellen Steinberg | 21 | Daughter | — | Missouri |
| 29 | Arthur Sjoholm | 38 | Servant | Chauffeur | Sweden |
| 30 | Lucia Romadina | 25 | Servant | Maid | Missouri |
| 31 | Frances Diserens | 53 | Servant | Cook | Illinois |
| 32 | David Hofstetter | 37 | Head | Gardener | Missouri |
| 33 | Marie Hofstetter | 37 | Wife | — | Missouri |
| 34 | Ruth Ann Hofstetter | 11 | Daughter | — | Missouri |
| 35 | Loraine Hofstetter | 4 | Daughter | — | Missouri |
| 36 | Charles Mehrhoff | 55 | Head | Farm Laborer | Missouri |
| 37 | Emma Mehrhoff | 52 | Wife | — | Missouri |
| 38 | Ethel F. Johnson | 60 | Head | — | Missouri |
| 39 | Florence Johnson | 28 | Daughter | Piano Teacher | Missouri |
| 40 | Marjorie Johnson THIS PERSON | 23 | Daughter | Artist | Missouri |
Pedigree Summary
Marjorie + 1 sibling
Gen 1 · 3 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)