MJ
Margaret Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Johnston across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Chicago City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1902 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Elias Bernstein | Son | — | 25 | ~1915 |
| Peggy Johnston | Daughter | — | 8 | ~1932 |
| Mary Bernstein | Daughter | — | 34 | ~1906 |
| Phillip Bernstein | Son | — | 30 | ~1910 |
| Edward Johnston | Head | — | 45 | ~1895 |
| Goldie Bernstein | Daughter | — | 32 | ~1908 |
| Nathan Bernstein | Son | — | 29 | ~1911 |
| Margaret Johnston | Spouse | — | 38 | ~1902 |
| Sara Bernstein | Daughter | — | 26 | ~1914 |
Census Appearances
1930
Cook, Illinois
Other, age 28
Cook, Illinois · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Marguerite |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cook-County, Illinois
Spouse, age 38
Cook-County, Illinois · implied b. ~1902 — 9 household members
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Chicago City |
| Naturalization Status | Naturalized |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Margaret Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Johnston
Spouse · 1940 · age 38 · b. ~1902 · 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-t0627-00934-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cynthia Marion | 2 | Daughter | — | Illinois |
| 2 | George Forrest | 65 | Head | Sales Promoter | California |
| 3 | Aida Forrest | 66 | Wife | — | Illinois |
| 4 | Lloyd Butler | 53 | Head | Pawn Broker | Wisconsin |
| 5 | Elizabeth Butler | 48 | Wife | — | Illinois |
| 6 | Gunn Butler | 27 | Son | — | Connecticut |
| 7 | Isabelle Butler | 29 | Daughter-in-law | — | New York |
| 8 | Mary Dougherty | 35 | Servant | Servant | Ireland |
| 9 | Reuben Freedman | 36 | Head | Lawyer | Indiana |
| 10 | Bernice Freedman | 32 | Wife | — | Illinois |
| 11 | Richard Freedman | 7 | Son | — | Illinois |
| 12 | June O'Malley | 25 | Servant | Servant | Ireland |
| 13 | Samuel Evans | 42 | Head | Branch Manager | Illinois |
| 14 | Sarah Evans | 46 | Wife | — | Illinois |
| 15 | Helen Black | 20 | Servant | Servant | Illinois |
| 16 | Emil Robesch | 49 | Head | Salesman | Illinois |
| 17 | Nella Robesch | 48 | Wife | — | Chicago, Ill |
| 18 | Arnold Robesch | 15 | Son | — | Illinois |
| 19 | Edward Johnston | 45 | Head | Broker | Indiana |
| 20 | Margaret Johnston THIS PERSON | 38 | Wife | — | Scotland |
| 21 | Peggy Johnston | 8 | Daughter | — | Illinois |
| 22 | Elias Bernstein | 25 | Son | New Worker | Illinois |
| 23 | Bernstein | 67 | — | — | Poland |
| 24 | Phillip Bernstein | 30 | Son | Expeditor | Indiana |
| 25 | Nathan Bernstein | 29 | Son | Expeditor | Indiana |
| 26 | Mary Bernstein | 34 | Daughter | Bookkeeper | Indiana |
| 27 | Sara Bernstein | 26 | Daughter | Secretary | Indiana |
| 28 | Goldie Bernstein | 32 | Daughter | Stenographer | Indiana |
| 29 | Sophie Barnard | 30 | Head | — | Germany |
| 30 | Rosalie Barnard | 3 | Daughter | — | Illinois |
| 31 | Eunice Barnard | 68 | Sister-in-law | Teacher | Germany |
| 32 | Bert Solomon | 60 | Head | Salesman | Illinois |
| 33 | Marie Solomon | 42 | Wife | — | Illinois |
| 34 | Harry Konisky | 50 | Head | Lawyer | Illinois |
| 35 | Helen Konisky | 40 | Wife | — | Illinois |
| 36 | Jerome Konisky | 12 | Son | — | Illinois |
| 37 | Cynthia Konisky | 7 | Daughter | — | Illinois |
| 38 | Ruth Schwartz | 24 | Servant | Servant | Illinois |
| 39 | Grace Lindgren | 43 | Head | Saleslady | New York |
| 40 | Janet Lindgren | 19 | Daughter | — | New Jersey |
Related Census Records
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)