MJ
Mary Johnston — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Isabella, Michigan
Our Model Tree links this Mary Johnston across the 1920, 1930 and 1940 US Censuses in Isabella, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 5-person household.
Age 50
b. ~1880
Female
Spouse
Born: Canada
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Isabella, Michigan |
| 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 |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Township Of Nottawa |
| Est. Birth Year | ~1880 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Johnston | Daughter | — | 17 | ~1913 |
| Irma Johnston | Daughter | — | 21 | ~1909 |
| George Johnston | Head | — | 52 | ~1878 |
| Clyde Johnston | Son | — | 22 | ~1908 |
| Mary Johnston | Spouse | — | 50 | ~1880 |
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 |
1930
Isabella, Michigan
Spouse, age 50
Isabella, Michigan · implied b. ~1880 — 5 household members
| 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 |
Spouse, age 61
Isabella-County, Michigan · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| 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 Mary 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
Mary Johnston
Spouse · 1930 · age 50 · b. ~1880 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Isabella, Michigan
Open full size
1930 US Federal Census — Isabella, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel995:0235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clifford Jackson | 11 | Son | — | Michigan |
| 2 | Bernard Jackson | 10 | Son | — | Michigan |
| 3 | Herbert Stearns | 50 | Head | Farmer | Michigan |
| 4 | Florence M Stearns | 48 | Wife | — | Michigan |
| 5 | Gerald W Stearns | 6 | Son | — | Michigan |
| 6 | Thelma M Stearns | 4 | Daughter | — | Michigan |
| 7 | Max W Stearns | 3 | Son | — | Michigan |
| 8 | Paul R Stearns | 1 | Son | — | Michigan |
| 9 | Bernice Stearns | 0 | Daughter | — | Michigan |
| 10 | Arnold Halfman | 38 | Head | Farmer | Michigan |
| 11 | Celia Halfman | 35 | Wife | — | Michigan |
| 12 | Vera Halfman | 11 | Daughter | — | Michigan |
| 13 | Bernadine Halfman | 9 | Daughter | — | Michigan |
| 14 | Kenneth Halfman | 6 | Son | — | Michigan |
| 15 | Vernon Halfman | 3 | Son | — | Michigan |
| 16 | Charles Hink | 57 | Head | Laborer | Michigan |
| 17 | Sadie Hink | 41 | Wife | — | Michigan |
| 18 | Velma Hink | 16 | Daughter | — | Michigan |
| 19 | Vivian Hink | 13 | Daughter | — | Michigan |
| 20 | Mary Hink | 10 | Daughter | — | Michigan |
| 21 | Ralph Hink | 7 | Son | — | Michigan |
| 22 | Gordon Hink | 3 | Son | — | Michigan |
| 23 | Henry Kammeyer | 48 | Head | Farmer | Michigan |
| 24 | Estella Kammeyer | 45 | Wife | — | Michigan |
| 25 | Herbert Kammeyer | 14 | Son | — | Michigan |
| 26 | Earl Kammeyer | 10 | Son | — | Michigan |
| 27 | George Johnston | 52 | Head | Farmer | Canada |
| 28 | Mary Johnston THIS PERSON | 50 | Wife | — | Canada |
| 29 | Clyde Johnston | 22 | Son | Laborer | Michigan |
| 30 | Irma Johnston | 21 | Daughter | Teacher | Michigan |
| 31 | Kathryn Johnston | 17 | Daughter | Housework | Michigan |
| 32 | Joseph Olson | 49 | Head | Farmer | England |
| 33 | Sarah Olson | 48 | Wife | — | Michigan |
| 34 | Mildred Olson | 21 | Daughter | Housework | Michigan |
| 35 | Kathleen Olson | 15 | Daughter | Housework | Michigan |
| 36 | Thelma Olson | 13 | Daughter | — | Michigan |
| 37 | Joseph Olson | 10 | Son | — | Michigan |
| 38 | Margaret Olson | 7 | Daughter | — | Michigan |
| 39 | Eugene Olson | 2 | Son | — | Michigan |
| 40 | John Olson | 81 | Father | — | England |
| 41 | James Olson | 51 | Brother | Farmer | Michigan |
| 42 | William Faber | 40 | Head | Laborer | Michigan |
| 43 | Cyrilla Faber | 36 | Wife | — | Michigan |
| 44 | Irene Faber | 12 | Daughter | — | Michigan |
| 45 | Walter Faber | 10 | Son | — | Michigan |
| 46 | Genevieve Faber | 9 | Daughter | — | Michigan |
| 47 | Gerald Faber | 7 | Son | — | Michigan |
| 48 | Martha Faber | 5 | Daughter | — | Michigan |
| 49 | Alfred Faber | 3 | Son | — | Michigan |
| 50 | Rosella Faber | 1 | Daughter | — | Michigan |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)