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Grace Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oregon-County, Missouri
Our Model Tree links this Grace Campbell across the 1930 and 1940 US Censuses in Oregon-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oregon-County, Missouri |
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Big Apple Township |
| 1935 Residence (County) | Oregon |
| Additional Details | |
| Industry | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Big Apple Township |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Mary Campbell | Daughter | — | 7 | ~1933 |
| Elmer Campbell | Son | — | 13 | ~1927 |
| Charles Campbell | Son | — | 20 | ~1920 |
| Irene Campbell | Spouse | — | 42 | ~1898 |
| Nina Campbell | Daughter | — | 11 | ~1929 |
| Joyce Campbell | Daughter | — | 4 | ~1936 |
| Homer Campbell | Head | — | 50 | ~1890 |
| Grace Campbell | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Oregon, Missouri
Daughter, age 5
Oregon, Missouri · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Oregon-County, Missouri
Daughter, age 15
Oregon-County, Missouri · implied b. ~1925 — 8 household members
| Surname | Campbell |
| Given Name | Grace |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Big Apple Township |
| 1935 Residence (County) | Oregon |
| Industry | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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
Daughter · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Elmer Campbell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Campbell
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Campbell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nina Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Campbell
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oregon-County, Missouri
Open full size
1940 US Federal Census — Oregon-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02134-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Raymond | 8 | grandson | — | Kansas |
| 2 | Donnie Raymond | 6 | granddaughter | — | Kansas |
| 3 | Dorris Raymond | 5 | granddaughter | — | Kansas |
| 4 | Dionne Raymond | 1 | granddaughter | 0 | Missouri |
| 5 | Paul Vaughn | 23 | head | Farmer | Missouri |
| 6 | Anna Vaughn | 22 | wife | H | Arkansas |
| 7 | Beatty P. Vaughn | 2 | daughter | — | Missouri |
| 8 | Homer Campbell | 50 | head | Farmer | Missouri |
| 9 | Irene Campbell | 42 | wife | H | Iowa |
| 10 | Charles Campbell | 20 | son | Farm Helper | Missouri |
| 11 | Grace Campbell THIS PERSON | 15 | daughter | — | Missouri |
| 12 | Elmer Campbell | 13 | son | — | Missouri |
| 13 | Nina Campbell | 11 | daughter | — | Missouri |
| 14 | Mary A Campbell | 7 | daughter | — | Missouri |
| 15 | Joyce Campbell | 4 | daughter | — | Missouri |
| 16 | Will Sloan | 40 | head | Farmer | Missouri |
| 17 | Olive Sloan | 38 | wife | H | Missouri |
| 18 | Aubrey Sloan | 16 | son | Farm Helper | Missouri |
| 19 | James Sloan | 13 | son | — | Missouri |
| 20 | Norman Sloan | 10 | son | — | Missouri |
| 21 | John L Sloan | 8 | son | — | Missouri |
| 22 | Wade Lovelace | 49 | head | Farmer | Missouri |
| 23 | Ester Lovelace | 47 | wife | H | Missouri |
| 24 | Ruby Lovelace | 12 | daughter | — | Missouri |
| 25 | Ernest Vaughn | 27 | head | Farmer | Missouri |
| 26 | Myree Vaughn | 21 | wife | H | Oklahoma |
| 27 | Everett Vaughn | 4 | son | — | Oklahoma |
| 28 | Delores Vaughn | 2 | daughter | — | Missouri |
| 29 | Richard Vaughn | 51 | head | Farmer | Missouri |
| 30 | Minnie Vaughn | 46 | wife | H | Missouri |
| 31 | Vaughn | 14 | daughter | — | Missouri |
| 32 | Elbert Jackson | 49 | head | — | Missouri |
| 33 | Cora Jackson | 44 | wife | H | Missouri |
| 34 | Cecil Jackson | 22 | son | Laborer | Missouri |
| 35 | Nellie M Jackson | 19 | daughter-in-law | — | Missouri |
| 36 | Luella Jackson | 68 | mother | — | Missouri |
| 37 | Billie Joe Job | 5 | cousin | — | Missouri |
| 38 | Job | 3 | cousin | — | Missouri |
| 39 | Charline Job | 1 | cousin | — | Missouri |
| 40 | Elmer Brunner | 46 | head | — | Arizona |
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)