MW
Mary Wilson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Mary Wilson across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Wilson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Port Huron City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Port Huron City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Virginia Wilson | Daughter | — | 23 | ~1917 |
| Mona Wilson | Daughter | — | 28 | ~1912 |
| William Wilson | Head | — | 65 | ~1875 |
| Mary Wilson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
St Clair, …
Spouse, age 39
St Clair, Michigan · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
St Clair, …
Spouse, age 50
St Clair, Michigan · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
St.-Clair-County, Michigan
Spouse, age 60
St.-Clair-County, Michigan · implied b. ~1880 — 4 household members
| Surname | Wilson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Port Huron City |
| 1935 Residence (County) | St. Clair |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Wilson 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 Wilson
Spouse · 1940 · age 60 · b. ~1880 · 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-t0627-01816-00069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Cox | 55 | Head | Engineer | Michigan |
| 2 | Anna Cox | 44 | Wife | — | Austria |
| 3 | Katherine Cox | 22 | Daughter | Singer | Michigan |
| 4 | Margaret Ann Cox | 21 | Daughter | Office Clerk | Michigan |
| 5 | Bridget Ann Cox | 12 | Daughter | — | Michigan |
| 6 | Mary Cox | 65 | Sister | — | Canada Eng |
| 7 | Violetta Bailey | 51 | Head | — | Michigan |
| 8 | Raymond Bailey | 25 | Son | — | Illinois |
| 9 | Vivian Blomfield | 31 | Daughter | Waitress | Michigan |
| 10 | Della Hardfort | 84 | Mother | — | Michigan |
| 11 | William Schrader | 53 | Head | Carpenter | Michigan |
| 12 | Jennie Schrader | 45 | Wife | — | Michigan |
| 13 | Margaret Schrader | 12 | Daughter | — | Michigan |
| 14 | Helen Richter | 15 | Daughter | — | Michigan |
| 15 | John Richter | 12 | Son | — | Michigan |
| 16 | William Wilson | 65 | Head | Caretaker | Illinois |
| 17 | Mary E Wilson THIS PERSON | 60 | Wife | — | Massachusetts |
| 18 | Mona Wilson | 28 | Daughter | Stenographer | Massachusetts |
| 19 | Virginia Wilson | 23 | Daughter | — | Massachusetts |
| 20 | Mack Lozon | 27 | Head | Cook | Michigan |
| 21 | Garland Lozon | 23 | Wife | Waitress | Michigan |
| 22 | Gary Lozon | 5 | Son | — | Michigan |
| 23 | Raymond Lozon | 2 | Son | — | Michigan |
| 24 | Carmen Bailey | 31 | Sister | Waitress | Michigan |
| 25 | Alwyn Smith | 66 | Head | Farming | Michigan |
| 26 | Bessie Smith | 57 | Wife | — | Michigan |
| 27 | Harold Tyler | 28 | Roomer | Stock Handler | Iowa |
| 28 | Floyd Smith | 52 | Head | Machinist | Canada Eng |
| 29 | Emma Smith | 55 | Wife | — | Canada Eng |
| 30 | Orville Smith | 23 | Son | Electrician Helper | Canada Eng |
| 31 | Delmar Smith | 18 | Son | — | Canada Eng |
| 32 | Gus Kaufmann | 52 | Head | Electrician | Michigan |
| 33 | Anna Kaufmann | 52 | Wife | — | Michigan |
| 34 | Helen Kaufmann | 19 | Daughter | Office Clerk | Michigan |
| 35 | Joseph Kaufmann | 13 | Son | — | Michigan |
| 36 | Charles Kaufmann | 12 | Son | — | Michigan |
| 37 | Mary Doyle | 78 | Head | — | Canada Eng |
| 38 | Nelson Delong | 38 | Roomer | Bus Driver | Michigan |
| 39 | Delong | None | Roomer | — | Illinois |
| 40 | — | None | — | — | — |
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)