MJ
Marjorie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Marjorie Johnson across the 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Clay Township |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | G-10 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Clay Township |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Herbert Johnson | Son | — | 27 | ~1913 |
| James Johnson | Son | — | 18 | ~1922 |
| Charles Johnson | Son | — | 14 | ~1926 |
| Richard Johnson | Son | — | 9 | ~1931 |
| Jeanine Johnson | Daughter | — | 18 | ~1922 |
| Flossie Johnson | Spouse | — | 43 | ~1897 |
| Herbert Johnson | Head | — | 52 | ~1888 |
| Marjorie Johnson | Daughter | — | 22 | ~1918 |
Census Appearances
1930
St Joseph, …
Daughter, age 12
St Joseph, Indiana · implied b. ~1918 — 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 | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Daughter, age 22
St.-Joseph-County, Indiana · implied b. ~1918 — 8 household members
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Clay Township |
| 1935 Residence (County) | St. Joseph |
| Income (1939) | 0 |
| Highest Grade | G-10 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 22 · b. ~1918 · Indiana
★ You are viewing this record
Sibling
James Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Johnson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Johnson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanine Johnson
Sibling · 1940 · age 18
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.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01092-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Meyer | 38 | Wife | — | Indiana |
| 42 | Betty Lou Meyer | 12 | Daughter | — | Indiana |
| 43 | Donald Meyer | 10 | Son | — | Indiana |
| 44 | Leonard Meyer | 7 | Son | — | Indiana |
| 45 | James Johnson | 46 | Head | Welder | Pennsylvania |
| 46 | Hazel Johnson | 48 | Wife | — | Mississippi |
| 47 | John Smith | 38 | Head | Automotive Electrician | Michigan |
| 48 | Bertha Smith | 26 | Wife | Stenographer | Pennsylvania |
| 50 | Delphus C. Patrick | 40 | Head | Machinist | Indiana |
| 51 | Opal Patrick | 36 | Wife | — | Indiana |
| 52 | Donald Patrick | 15 | Son | — | Indiana |
| 53 | Dan Patrick | 13 | Daughter | — | Indiana |
| 54 | Thomas Patrick | 2 | Son | — | Indiana |
| 55 | Everett R. Olin | 48 | Head | Assembler | Indiana |
| 56 | Mary Olin | 48 | Wife | Teacher | Indiana |
| 57 | Kenneth Olin | 23 | Son | Teacher | Indiana |
| 58 | Franklin Jr. Shell | 40 | Head | Mechanic | Kentucky |
| 59 | Charlotte Shell | 34 | Wife | — | Indiana |
| 60 | Wilma Shell | 17 | Daughter | — | Indiana |
| 61 | Mary June Shell | 7 | Daughter | — | Indiana |
| 62 | Herbert W. Johnson | 52 | Head | Interior Decorator | Indiana |
| 63 | Flossie Johnson | 43 | Wife | — | Indiana |
| 64 | Herbert Co. Johnson | 27 | Son | Boiler Operator | Indiana |
| 65 | Marjorie Johnson THIS PERSON | 22 | Daughter | — | Indiana |
| 66 | Jeanine Johnson | 18 | Daughter | — | Indiana |
| 67 | James H. Johnson | 18 | Son | — | Indiana |
| 68 | Charles Johnson | 14 | Son | — | Indiana |
| 69 | Richard Johnson | 9 | Son | — | Indiana |
| 70 | Troy J. Sabo | 34 | Head | Machinist | Illinois |
| 71 | Margaret Sabo | 31 | Wife | — | Illinois |
| 72 | Jacqueline Sabo | 12 | Daughter | — | Illinois |
| 73 | James Sabo | 11 | Son | — | Illinois |
| 74 | Norma Jean Sabo | 8 | Daughter | — | Indiana |
| 75 | Marvin H. Burnham | 45 | Head | Foreman | Michigan |
| 76 | Emma L. Burnham | 39 | Wife | — | Indiana |
| 77 | Roger Burnham | 22 | Son | Truck Driver | Indiana |
| 78 | Walter Burnham | 13 | Son | — | Indiana |
| 79 | Daniel Luke | 57 | Lodger | Foreman | Indiana |
| 80 | John Young | 28 | Lodger | Bus Driver | Indiana |
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)