GC
Grace Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this Grace Campbell across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 9-person household.
Age 41
b. ~1899
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Campbell |
| Given Name | Grace P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Vienna Township |
| 1935 Residence (County) | Genesee |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Vienna Township |
| Est. Birth Year | ~1899 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Campbell | Spouse | — | 41 | ~1899 |
| Kenneth Campbell | Son | — | 5 | ~1935 |
| Donald Campbell | Son | — | 14 | ~1926 |
| Victor Campbell | Son | — | 11 | ~1929 |
| Mary Campbell | Daughter | — | 8 | ~1932 |
| Virginia Campbell | Daughter | — | 9 | ~1931 |
| Edward Campbell | Head | — | 43 | ~1897 |
| Edward Campbell | Son | — | 19 | ~1921 |
| Grace Campbell | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Genesee, Michigan
Other, age 30
Genesee, Michigan · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Grace M |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 21 |
| Father's Birthplace | English Canada |
| Mother's Birthplace | English Canada |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Spouse, age 41
Genesee-County, Michigan · implied b. ~1899 — 9 household members
| Surname | Campbell |
| Given Name | Grace P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Vienna Township |
| 1935 Residence (County) | Genesee |
| Highest Grade | No 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 Grace Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Grace Campbell
Spouse · 1940 · age 41 · b. ~1899 · 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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01750-00927)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward J. Campbell | 43 | Head | Auto Worker | Michigan |
| 2 | Grace P. Campbell THIS PERSON | 41 | Wife | — | Michigan |
| 3 | Edward J. Campbell | 19 | Son | Station Attendant | Michigan |
| 4 | Grace J. Campbell | 18 | Daughter | House Maid | Michigan |
| 5 | Donald M. Campbell | 14 | Son | — | Michigan |
| 6 | Victor L. Campbell | 11 | Son | — | Michigan |
| 7 | Virginia M. Campbell | 9 | Daughter | — | Michigan |
| 8 | Mary J. Campbell | 8 | Daughter | — | Michigan |
| 9 | Kenneth W. Campbell | 5 | Son | — | Michigan |
| 10 | Claude E. Knapp | 49 | Head | Auto Worker | Michigan |
| 11 | Eva M. Knapp | 42 | Wife | — | Michigan |
| 12 | Ellsworth R. Knapp | 22 | Son | Laborer | Michigan |
| 13 | Betty J. Knapp | 18 | Daughter | — | Michigan |
| 14 | Mary A. Knapp | 7 | Daughter | — | Michigan |
| 15 | Claude Jr. Knapp | 5 | Son | — | Michigan |
| 16 | Donald G. Bacon | 28 | Head | — | Michigan |
| 17 | Clara H. Bacon | 24 | Wife | — | Michigan |
| 18 | Charles D. Bacon | 7 | Son | — | Michigan |
| 19 | Robert W. Bacon | 5 | Son | — | Michigan |
| 20 | Sandra J. Bacon | 3 | Daughter | — | Michigan |
| 21 | Bonita J. Bacon | 1 | Daughter | — | Michigan |
| 22 | Jay Wiltse | 73 | Head | Farmer | Michigan |
| 23 | Verna M. Wiltse | 50 | Daughter | Inspector | Michigan |
| 24 | George R. Lewis | 23 | Head | Laborer | Michigan |
| 25 | Dora P. Lewis | 19 | Wife | — | Michigan |
| 26 | Barbara J. Lewis | 1 | Daughter | — | Michigan |
| 27 | James Mcintosh | 55 | Head | Contractor | Michigan |
| 28 | Pearl E. Mcintosh | 53 | Wife | — | Michigan |
| 29 | Isabell J. Mcintosh | 31 | Daughter | Maid | Michigan |
| 30 | Russell J. Mcintosh | 23 | Son | Automobile Trimmer | Michigan |
| 31 | Eva R. Mcintosh | 21 | Daughter | Maid | Michigan |
| 32 | Theodore J. Mcintosh | 19 | Son | — | Michigan |
| 33 | Robert D. Mcintosh | 12 | Son | — | Michigan |
| 34 | Ethel J. Mcintosh | 11 | Daughter | — | Michigan |
| 35 | Roy J. Mcintosh | 8 | Son | — | Michigan |
| 36 | Callen Floyd A. Mcintosh | 8 | Grand-son | — | Michigan |
| 37 | Tom D. Brown | 66 | Head | Farmer | Michigan |
| 38 | Samuel Brown | 90 | Father | — | Canada |
| 39 | Minnie Garter | 81 | Head | — | Germany |
| 40 | Earnest Garter | 43 | Son | Laborer | 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)