MJ
Marjorie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mason-County, Michigan
Our Model Tree links this Marjorie Johnson across the 1930 and 1940 US Censuses in Mason-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Michigan |
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ludington |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Ludington |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Eric Johnson | Head | — | 57 | ~1883 |
| Robert Johnson | Son | — | ~1940 | |
| Richard Johnson | Son | — | 7 | ~1933 |
| Phyllis Johnson | Daughter | — | 15 | ~1925 |
| Agnes Johnson | Spouse | — | 42 | ~1898 |
| Marilyn Johnson | Daughter | — | 5 | ~1935 |
| Inez Johnson | Daughter | — | 17 | ~1923 |
| Doris Johnson | Daughter | — | 20 | ~1920 |
| Frances Johnson | Daughter | — | 12 | ~1928 |
| Marjorie Johnson | Daughter | — | 10 | ~1930 |
| Stewart Johnson | Son | — | 22 | ~1918 |
Census Appearances
1930
Mason, Michigan
Daughter, age
Mason, Michigan · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Mason-County, Michigan
Daughter, age 10
Mason-County, Michigan · implied b. ~1930 — 11 household members
| Surname | Johnson |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Ludington |
| 1935 Residence (County) | Mason |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Richard Johnson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Johnson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stewart Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Johnson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez 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 — Mason-County, Michigan
Open full size
1940 US Federal Census — Mason-County, Michigan
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-01788-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herman Bendenman | 75 | Head | Gardner | Germany |
| 42 | Della Bendenman | 67 | Wife | — | Michigan |
| 43 | Dave Bendenman | 44 | Son | Yardman | Michigan |
| 44 | William Bendenman | 32 | Son | Welder | Michigan |
| 45 | Ida Young | 57 | Head | — | Michigan |
| 46 | Leland Kent | 46 | Head | Superintendent Railroad | Ohio |
| 47 | Susan Kent | 46 | Wife | — | Wisconsin |
| 48 | Eric Johnson | 57 | Head | Engineer | Michigan |
| 49 | Agnes Johnson | 42 | Wife | — | Michigan |
| 50 | Stewart Johnson | 22 | Son | Clerk | Michigan |
| 51 | Doris Johnson | 20 | Daughter | Clerk | Michigan |
| 52 | Inez Johnson | 17 | Daughter | New Worker | Michigan |
| 53 | Phyllis Johnson | 15 | Daughter | — | Michigan |
| 54 | Frances Johnson | 12 | Daughter | — | Michigan |
| 55 | Marjorie Johnson THIS PERSON | 10 | Daughter | — | Michigan |
| 56 | Richard Johnson | 7 | Son | — | Michigan |
| 57 | Marilyn Johnson | 5 | Daughter | — | Michigan |
| 58 | Robert Johnson | 0 | Son | — | Michigan |
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)