MJ
Margaret Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Isabella-County, Michigan
Our Model Tree links this Margaret Johnston across the 1920, 1930 and 1940 US Censuses in Isabella-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 4-person household.
Age 61
b. ~1879
Female
Spouse
Born: Canada
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Isabella-County, Michigan |
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Nottawa Twp |
| 1935 Residence (County) | Isabella |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Nottawa Twp |
| Est. Birth Year | ~1879 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Lillian Johnston | Other | — | 32 | ~1908 |
| George Johnston | Head | — | 62 | ~1878 |
| Margaret Johnston | Spouse | — | 61 | ~1879 |
| Leonard Johnston | Son | — | 35 | ~1905 |
Census Appearances
1920
Isabella, Michigan
Spouse, age 41
Isabella, Michigan · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Maggie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Canada |
| Father's Birthplace | Canada |
| Mother's Birthplace | Irish |
| Occupation | Yes |
| Can Read | Scotch |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Canada |
| Home Free/Mortgaged | 1890 |
| Birth Country | Canada |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | canada |
Spouse, age 50
Isabella, Michigan · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 17 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Isabella-County, Michigan
Spouse, age 61
Isabella-County, Michigan · implied b. ~1879 — 4 household members
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Nottawa Twp |
| 1935 Residence (County) | Isabella |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Johnston
Spouse · 1940 · age 61 · b. ~1879 · Michigan
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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 — Isabella-County, Michigan
Open full size
1940 US Federal Census — Isabella-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01766-00542)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anthony Burman | 58 | Head | Farming | Michigan |
| 42 | Catherine Burman | 56 | Wife | — | Michigan |
| 43 | Earl Burman | 25 | Son | Farming | Michigan |
| 44 | George Johnston | 62 | Head | Farming | Canada |
| 45 | Margaret Johnston THIS PERSON | 61 | Wife | — | Canada |
| 46 | Leonard Johnston | 35 | Son | Farming | Michigan |
| 47 | Lillian Johnston | 32 | Daughter-in-law | — | Michigan |
| 48 | Blanche Vincent | 54 | Head | — | Michigan |
| 49 | Joseph Vincent | 23 | Son | Farming | Michigan |
| 50 | Margaret Vincent | 20 | Daughter | — | Michigan |
| 51 | Eugene Vincent | 17 | Son | Farm Hand | Michigan |
| 52 | Wm F. Shaffer | 31 | Head | Farmer | Michigan |
| 53 | Blanche Shaffer | 29 | Wife | — | Michigan |
| 54 | Mary Agnes Shaffer | 8 | Daughter | — | Michigan |
| 55 | Anna Marie Shaffer | 6 | Daughter | — | Michigan |
| 56 | Joseph Shaffer | 4 | Son | — | Michigan |
| 57 | Michael M. Detzler | 74 | Head | — | Canada |
| 58 | Theresa M. Detzler | 65 | Wife | — | Michigan |
| 59 | Alfred Grewitt | 75 | Head | Farming | Michigan |
| 60 | Marguerite Grewitt | 62 | Wife | — | Illinois |
| 61 | E. Marion Grewitt | 39 | Son | Farming | Michigan |
| 62 | John Neubecker | 51 | Head | Farming | Canada |
| 63 | Rosina Neubecker | 44 | Wife | — | Michigan |
| 64 | Luella Neubecker | 19 | Daughter | House Work | Michigan |
| 65 | Genevieve Neubecker | 17 | Daughter | House Work | Michigan |
| 66 | Vada Neubecker | 15 | Daughter | — | Michigan |
| 67 | Dorothy Neubecker | 13 | Daughter | — | Michigan |
| 68 | Norman Neubecker | 5 | Son | — | Michigan |
| 69 | Ronald Neubecker | 1 | Son | — | Michigan |
| 70 | Isadore Shaffer | 42 | Head | Farming | Michigan |
| 71 | Catherine Shaffer | 33 | Wife | — | Michigan |
| 72 | Edward Shaffer | 12 | Son | — | Michigan |
| 73 | Roselene Shaffer | 9 | Daughter | — | Michigan |
| 74 | Eileen Shaffer | 9 | Daughter | — | Michigan |
| 75 | Leona Mae Shaffer | 4 | Daughter | — | Michigan |
| 76 | Denzil Wolfe | 45 | Head | Carpenter | Michigan |
| 77 | Ethel Wolfe | 41 | Wife | — | Ohio |
| 78 | Philip Wolfe | 11 | Son | — | Michigan |
| 79 | Philis Wolfe | 9 | Daughter | — | Michigan |
| 80 | Homer Bailey | 17 | Hired man | Farming | Michigan |
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)