MC
Margaret Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Margaret Campbell across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | St Clair City |
| 1935 Residence (County) | St Clair |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | St Clair City |
| Est. Birth Year | ~1894 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Shirley Campbell | Daughter | — | 18 | ~1922 |
| Clara Campbell | Daughter | — | 14 | ~1926 |
| Delores Campbell | Daughter | — | 9 | ~1931 |
| Silas Campbell | Head | — | 46 | ~1894 |
| Howard Campbell | Son | — | 24 | ~1916 |
| Margaret Campbell | Spouse | — | 46 | ~1894 |
Census Appearances
1920
St Clair, …
Spouse, age 25
St Clair, Michigan · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Germany |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Clair, …
Spouse, age 35
St Clair, Michigan · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| 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 46
St.-Clair-County, Michigan · implied b. ~1894 — 6 household members
| Surname | Campbell |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | St Clair City |
| 1935 Residence (County) | St Clair |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Margaret Campbell 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 Campbell
Spouse · 1940 · age 46 · b. ~1894 · 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-t0627-01816-00912)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Clute | 62 | Head | Watchman | Canada |
| 42 | Elizabeth Clute | 61 | Wife | — | Michigan |
| 43 | Douglas Hamilton | 41 | Head | Janitor | Michigan |
| 44 | Zella Hamilton | 39 | Wife | — | Michigan |
| 45 | Donald Hamilton | 18 | Son | — | Michigan |
| 46 | Douglas Hamilton | 14 | Son | — | Michigan |
| 47 | Arthur Vallstedt | 55 | Head | Night Superintendent | Michigan |
| 48 | Lydia Vallstedt | 51 | Wife | — | Michigan |
| 49 | Edward Huff | 22 | Step-son | Laborer | Michigan |
| 50 | Edward Kuebler | 52 | Head | Foreman | Michigan |
| 51 | Elsie Kuebler | 47 | Wife | — | Michigan |
| 52 | Virginia Kuebler | 24 | Daughter | Advertising | Michigan |
| 53 | Jacqueline Kuebler | 22 | Daughter | Clerk | Michigan |
| 54 | William Kuebler | 11 | Son | — | Michigan |
| 55 | John Rainshell | 78 | Head | — | England |
| 56 | Delia Rainshell | 77 | Wife | — | Canada |
| 57 | Arthur Maw | 47 | Head | Proprietor | Michigan |
| 58 | Lillian Maw | 49 | Wife | — | Michigan |
| 59 | Robert Maw | 19 | Son | Laborer | Michigan |
| 60 | James Maw | 16 | Son | — | Michigan |
| 61 | Annie Mrs. Akrie | 84 | Mother-in-law | — | Canada |
| 62 | Addie Akrie | 48 | Sister-in-law | Office Girl | Michigan |
| 63 | Marie Akrie | 40 | Sister-in-law | Clerk | Michigan |
| 64 | Bernie Yip | 36 | Head | Laborer | Michigan |
| 65 | Hazel Yip | 36 | Wife | — | Michigan |
| 66 | Charles Yip | 3 | Son | — | Michigan |
| 67 | Janice Yip | 1 | Daughter | — | Michigan |
| 68 | Walter Sass | 45 | Head | Gas Station Operator | Michigan |
| 69 | Phyllis Sass | 21 | Daughter | House Maid | Michigan |
| 70 | Beatrice Sass | 19 | Daughter | — | Michigan |
| 71 | Shirley Sass | 15 | Son | — | Michigan |
| 72 | Howard Sass | 5 | Son | — | Michigan |
| 73 | Silas Campbell | 46 | Head | Laborer | Michigan |
| 74 | Margaret Campbell THIS PERSON | 46 | Wife | — | Michigan |
| 75 | Howard Campbell | 24 | Son | Checker | Michigan |
| 76 | Shirley Campbell | 18 | Daughter | Office Clerk | Michigan |
| 77 | Clara Campbell | 14 | Daughter | — | Michigan |
| 78 | Delores Campbell | 9 | Daughter | — | Michigan |
| 79 | Thomas Miller | 54 | Head | Chief Engineer | Michigan |
| 80 | Addie Miller | 45 | Wife | — | Canada |
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)