GC
Grace Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alcona-County, Michigan
Our Model Tree links this Grace Campbell across the 1930 and 1940 US Censuses in Alcona-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 7-person household.
Age 38
b. ~1902
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alcona-County, Michigan |
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Haynes Twp |
| 1935 Residence (County) | Alcona |
| Additional Details | |
| Occupation | Housewife |
| Industry | Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Housewife |
| Township / Ward | Haynes Twp |
| Est. Birth Year | ~1902 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Dora Campbell | Daughter | — | 11 | ~1929 |
| Wilda Campbell | Daughter | — | 8 | ~1932 |
| John Campbell | Son | — | 15 | ~1925 |
| Grace Campbell | Spouse | — | 38 | ~1902 |
| John Campbell | Head | — | 42 | ~1898 |
| Theodore Campbell | Son | — | 12 | ~1928 |
| James Campbell | Son | — | 1 | ~1939 |
Census Appearances
1930
Alcona, Michigan
Spouse, age 28
Alcona, Michigan · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada-English |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Alcona-County, Michigan
Spouse, age 38
Alcona-County, Michigan · implied b. ~1902 — 7 household members
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Haynes Twp |
| 1935 Residence (County) | Alcona |
| Occupation | Housewife |
| Industry | Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 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.
Show:
This person
Anchor record
Grace Campbell
Spouse · 1940 · age 38 · b. ~1902 · 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 — Alcona-County, Michigan
Open full size
1940 US Federal Census — Alcona-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01720-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Gould | 60 | Head | Foreman | Michigan |
| 2 | Anna Gould | 50 | Wife | Housewife | Michigan |
| 3 | Allan G Gould | 23 | Son | Orderly | Michigan |
| 4 | Beverly Ann Gould | 10 | Daughter | — | Michigan |
| 5 | Alex Schiefsky | 34 | Head | Crane Operator | Michigan |
| 6 | Chloe Schiefsky | 32 | Wife | Housewife | Michigan |
| 7 | Arlene Schiefsky | 9 | Daughter | — | Michigan |
| 8 | Jackie Schiefsky | 7 | Son | — | Michigan |
| 9 | Mary Joyce Schiefsky | 4 | Daughter | — | Michigan |
| 10 | John Webb | 52 | Head | Farmer | Canada |
| 11 | Lola Webb | 23 | Daughter | Waitress | Michigan |
| 12 | Vera Webb | 18 | Daughter | Housekeeper | Michigan |
| 13 | Dale Webb | 7 | Son | — | Michigan |
| 14 | Ainsey Jack | 52 | Head | Road Grader | Michigan |
| 15 | Gladys Jack | 50 | Wife | Housewife | Michigan |
| 16 | William Kyle Jack | 24 | Son | Laborer | Michigan |
| 17 | Harold Ainsworth Jack | 21 | Son | School Teacher | Michigan |
| 18 | George Ray Jack | 15 | Son | Farmer | Michigan |
| 19 | Foster Shaw | 67 | Head | Farmer | Penn |
| 20 | Ida Florence Shaw | 60 | Wife | Housewife | Canada |
| 21 | John Roy Campbell | 42 | Head | Farmer | Michigan |
| 22 | Grace Campbell THIS PERSON | 38 | Wife | Housewife | Michigan |
| 23 | John Duncan Campbell | 15 | Son | — | Michigan |
| 24 | Theodore Campbell | 12 | Son | — | Michigan |
| 25 | Dora Jean Campbell | 11 | Daughter | — | Michigan |
| 26 | Wilda Ann Campbell | 8 | Daughter | — | Michigan |
| 27 | James Henry Campbell | 1 | Son | — | Michigan |
| 28 | Welles Jack | 42 | Head | Farmer | Michigan |
| 29 | Lillian Jack | 40 | Wife | Housewife | Michigan |
| 30 | Devere Jack | 21 | Son | Newsworker | Michigan |
| 31 | Elwood Jack | 18 | Son | Newsworker | Michigan |
| 32 | Nelda Jack | 16 | Daughter | Mother'S Helper | Michigan |
| 33 | James Milligan | 60 | Head | Labourer | Michigan |
| 34 | Effie Milligan | 56 | Wife | Housewife | Michigan |
| 35 | Orpha Homestine | 26 | Daughter | Sewing | Michigan |
| 36 | Milligan Lloyd | 22 | Son | Labourer | Michigan |
| 37 | Robert Milligan | 14 | Son | — | Michigan |
| 38 | Donald Homestine | 5 | Grandson | — | Michigan |
| 39 | Arthur Cook | 61 | Head | Farmer | Canada |
| 40 | Charlotte Cook | 52 | Wife | Housewife | 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)