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Anna Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Anna Johnston across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Johnston |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Port Huron |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| William Johnston | Son | — | 16 | ~1924 |
| Ray Johnston | Son | — | 14 | ~1926 |
| Donna Johnston | Daughter | — | 12 | ~1928 |
| Anna Johnston | Spouse | — | 55 | ~1885 |
| Josephine Johnston | Daughter | — | 14 | ~1926 |
| Joseph Johnston | Head | — | 57 | ~1883 |
Census Appearances
1930
St Clair, …
Other, age 45
St Clair, Michigan · implied b. ~1885 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Anna |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 24 |
| Father's Birthplace | England |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Spouse, age 55
St.-Clair-County, Michigan · implied b. ~1885 — 6 household members
| Surname | Johnston |
| Given Name | Anna |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron |
| 1935 Residence (County) | St. Clair |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| 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 Anna Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Johnston
Spouse · 1940 · age 55 · b. ~1885 · 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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01816-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Omar Pollock | 18 | Son | Store Room | Michigan |
| 42 | Gylord Pollock | 14 | Son | — | Michigan |
| 43 | Ruth Pollock | 12 | Daughter | — | Michigan |
| 44 | Elizabeth Pollock | 9 | Daughter | — | Michigan |
| 45 | Russell Anter | 44 | Head | Tailor | Syria |
| 46 | Lucille Anter | 37 | Wife | — | Michigan |
| 47 | Elaine Anter | 15 | Daughter | — | Michigan |
| 48 | Evelyn Anter | 12 | Daughter | — | Michigan |
| 49 | Alvin Anter | 11 | Son | — | Michigan |
| 50 | Maurice Mccase | 55 | Head | — | Michigan |
| 51 | Clara Mccase | 45 | Wife | — | Michigan |
| 52 | Stewart Mccase | 25 | Son | Farmer | Michigan |
| 53 | Helen Mccase | 22 | Daughter | Clerk | Michigan |
| 54 | Charles Mccase | 17 | Son | — | Michigan |
| 55 | Gerald Mccase | 15 | Son | — | Michigan |
| 56 | Harriet Mccase | 12 | Daughter | — | Michigan |
| 57 | Joseph Johnston | 57 | Head | Car Shop | Canada |
| 58 | Anna Johnston THIS PERSON | 55 | Wife | — | Michigan |
| 59 | William Johnston | 16 | Son | — | Michigan |
| 60 | Josephine Johnston | 14 | Daughter | Clerk | Michigan |
| 61 | Donna Johnston | 12 | Daughter | Clerk | Michigan |
| 62 | Ray Johnston | 14 | Son | — | Michigan |
| 63 | Edward Dietrich | 59 | Head | Steward | Canada |
| 64 | Anna Dietrich | 55 | Wife | Steward | Michigan |
| 65 | Clara Dietrich | 51 | Sister | — | Virginia |
| 66 | Harry Ross | 45 | Head | Grocer | Canada |
| 67 | Eilda Ross | 45 | Wife | — | Michigan |
| 68 | Nancy Ross | 10 | Daughter | — | Michigan |
| 69 | Ross M. Cowan | 60 | Head | — | Canada |
| 70 | Eleanor Cowan | 22 | Daughter | Biller | Michigan |
| 71 | Cowan | None | — | — | — |
| 72 | Charles Stewart | 43 | Head | Immigration | Iowa |
| 73 | Mabel Stewart | 46 | Wife | — | Iowa |
| 74 | Dorothy Stewart | 17 | Daughter | — | Iowa |
| 75 | Yvonne Stewart | 9 | Daughter | — | Iowa |
| 76 | Adelal Haig | 83 | Mother-in-law | — | Iowa |
| 77 | Arson Mcinny | 68 | Head | Conductor | Tennessee |
| 78 | Ethel Mcinny | 52 | Wife | — | Michigan |
| 79 | Donald Mcinny | 22 | Son | — | Michigan |
| 80 | Mary Hall | 75 | Mother-in-law | — | 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)