MJ
Marjorie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Missouri
Our Model Tree links this Marjorie Johnson across the 1930 and 1940 US Censuses in Boone-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Missouri |
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Cedar Township |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Home |
| Industry | work |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Home |
| Township / Ward | Cedar Township |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnson | Daughter | — | 17 | ~1923 |
| Luella Johnson | Spouse | — | 51 | ~1889 |
| Ralph Johnson | Head | — | 54 | ~1886 |
| Lillian Johnson | Daughter | — | 11 | ~1929 |
| Ralph Johnson | Son | — | 28 | ~1912 |
| Marjorie Johnson | Daughter | — | 15 | ~1925 |
| Mable Johnson | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Boone, Missouri
Daughter, age 4
Boone, Missouri · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Boone-County, Missouri
Daughter, age 15
Boone-County, Missouri · implied b. ~1925 — 7 household members
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Cedar Township |
| 1935 Residence (County) | Boone |
| Occupation | Home |
| Industry | work |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marjorie Johnson
Daughter · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Ralph Johnson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Johnson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Johnson
Sibling · 1940 · age 17
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 — Boone-County, Missouri
Open full size
1940 US Federal Census — Boone-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02086-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna E. Nichols | 69 | Wife | — | Missouri |
| 2 | Talley Cunningham | 34 | Head | Laborer | Missouri |
| 3 | Loran Cunningham | 28 | Wife | — | Missouri |
| 4 | Fern Cunningham | 12 | Daughter | — | Missouri |
| 5 | Donald Cunningham | 5 | Son | — | Missouri |
| 6 | Shirley Cunningham | 4 | Daughter | — | Missouri |
| 7 | Joe S. Salmon | 37 | Head | Foreman | Missouri |
| 8 | Rosa Salmon | 35 | Wife | — | Missouri |
| 9 | Clara Salmon | 16 | Daughter | — | Missouri |
| 10 | Florence Salmon | 14 | Daughter | — | Missouri |
| 11 | Jo Ann Salmon | 12 | Daughter | — | Missouri |
| 12 | Mary Salmon | 10 | Daughter | — | Missouri |
| 13 | Betty Salmon | 8 | Daughter | — | Missouri |
| 14 | James Salmon | 5 | Son | — | Missouri |
| 15 | Janette Salmon | 5 | Daughter | — | Missouri |
| 16 | Billy Salmon | 7 | Son | — | Missouri |
| 17 | Shirley Salmon | 6 | Daughter | — | Missouri |
| 18 | Rosa Jean Salmon | 2 | Daughter | — | Missouri |
| 19 | Linda Lee Salmon | 0 | Daughter | — | Missouri |
| 20 | Henry Powers | 56 | Head | Machinist | Missouri |
| 21 | Ada Powers | 54 | Wife | — | Missouri |
| 22 | Mary Powers | 18 | Daughter | Home Work | Missouri |
| 23 | Norma Powers | 14 | Daughter | — | Missouri |
| 24 | Henry Carlton Powers | 12 | Son | — | Missouri |
| 25 | Lionel Raymond Powers | 2 | Grandson | — | Missouri |
| 26 | James Perkins | 27 | Head | Laborer | Missouri |
| 27 | Juanita Perkins | 22 | Wife | — | Missouri |
| 28 | James Perkins | 5 | Son | — | Missouri |
| 29 | Janette Sue Perkins | 2 | Daughter | — | Missouri |
| 30 | Buel Stanley | 20 | Head | Farmer | Missouri |
| 31 | Mildred K. Stanley | 18 | Wife | — | Missouri |
| 32 | Ralph Johnson | 54 | Head | Farmer | Missouri |
| 33 | Luella Johnson | 51 | Wife | — | Missouri |
| 34 | Ralph Jr. Johnson | 28 | Son | Laborer | Missouri |
| 35 | Mable Johnson | 20 | Daughter | Home Work | Missouri |
| 36 | Margaret Johnson | 17 | Daughter | Home Work | Missouri |
| 37 | Marjorie Johnson THIS PERSON | 15 | Daughter | Home | Missouri |
| 38 | Lillian Johnson | 11 | Daughter | — | Missouri |
| 39 | Clarence Warren | 44 | Head | Farmer | Missouri |
| 40 | Lola Warren | 42 | Wife | — | Missouri |
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)