MJ
Marion Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Marion Johnson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Johnson | Head | — | 49 | ~1891 |
| Victor Johnson | Son | — | 26 | ~1914 |
| Harry Johnson | Son | — | 22 | ~1918 |
| Daniel Johnson | Son | — | 25 | ~1915 |
| Raymond Johnson | Son | — | 17 | ~1923 |
| Charles Johnson | Son | — | 20 | ~1920 |
| Sheldon Johnson | Son | — | 16 | ~1924 |
| Vincent Johnson | Son | — | 14 | ~1926 |
| Marion Johnson | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Cook, Illinois
Spouse, age 33
Cook, Illinois · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 17 |
| Father's Birthplace | England |
| Mother's Birthplace | France |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 43
Cook-County, Illinois · implied b. ~1897 — 9 household members
| Surname | Johnson |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Marion Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Johnson
Spouse · 1940 · age 43 · b. ~1897 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00990-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Seres | 30 | Head | Merchant | Canada |
| 2 | Lillian (X) Seres | 28 | Wife | — | Illinois |
| 3 | Laurence Seres | 2 | Son | — | Illinois |
| 4 | Renee Seres | 0 | Daughter | — | Illinois |
| 5 | Avenell Hoffinger | 18 | Housemaid | Housework | Kentucky |
| 6 | Harry (X) Del Giorno | 41 | Head | Manufacturer | Illinois |
| 7 | June R. Del Giorno | 12 | Daughter | — | Illinois |
| 8 | Sandra Del Giorno | 6 | Daughter | — | Illinois |
| 9 | Nancy Maness | 56 | Maid | — | Tennessee |
| 10 | Rose (X) Frank | 58 | Head | — | Germany |
| 11 | Henrietta Henning | 30 | Daughter | — | Illinois |
| 12 | Albert Henning | 33 | Son-in-law | Superintendent | Illinois |
| 13 | Joseph Henning | 4 | Grandson | — | Illinois |
| 14 | Charles (X) Johnson | 52 | Head | Laborer | Illinois |
| 15 | Catherine Johnson | 46 | Wife | — | Illinois |
| 16 | Ray Johnson | 20 | Son | Office | Illinois |
| 17 | Julia (X) Petersen | 65 | Head | — | Denmark |
| 18 | Alma Petersen | 31 | Daughter | — | Denmark |
| 19 | Amy Gullerson | 31 | Roomer | Chef | Denmark |
| 20 | Thor Trondaberg | 48 | Roomer | Office | Denmark |
| 21 | George (X) Verity | 70 | Head | — | Illinois |
| 22 | Jennie Verity | 53 | Wife | — | Illinois |
| 23 | James Verity | 16 | Son | — | Illinois |
| 24 | John Verity | 14 | Son | — | Illinois |
| 25 | Henry Young | 54 | Head | Office | Louisiana |
| 26 | Jane (X) Young | 55 | Wife | — | Colorado |
| 27 | Harry Ritter | 31 | Head | Technician | Nebraska |
| 28 | Pauline (X) Ritter | 30 | Wife | — | Michigan |
| 29 | Marguerite B. Ritter | 10 | Daughter | — | Illinois |
| 30 | Mary Ann Ritter | 7 | Daughter | — | Illinois |
| 31 | Geraldine Ritter | 4 | Daughter | — | Illinois |
| 32 | Lawrence (X) Johnson | 49 | Head | Switchman | Illinois |
| 33 | Marion Johnson THIS PERSON | 43 | Wife | — | Illinois |
| 34 | Victor Johnson | 26 | Son | Plattmaker | Illinois |
| 35 | Daniel Johnson | 25 | Son | Salesman | Illinois |
| 36 | Harry Johnson | 22 | Son | Driver | Illinois |
| 37 | Charles Johnson | 20 | Son | Truck Helper | Illinois |
| 38 | Raymond Johnson | 17 | Son | — | Illinois |
| 39 | Sheldon Johnson | 16 | Son | — | Illinois |
| 40 | Vincent Johnson | 14 | Son | — | Illinois |
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)