JC
John Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Major-County, Oklahoma
Our Model Tree links this John Campbell across the 1920, 1930 and 1940 US Censuses in Major-County, Oklahoma (XGBoost, ~Confirmed), with identified parents A & Vista — first a son (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Major-County, Oklahoma |
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Meno township |
| 1935 Residence (County) | Major |
| Additional Details | |
| Occupation | 30 |
| Industry | Farm labour |
| Class of Worker | Farm |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | 30 |
| Township / Ward | Meno Township |
| Est. Birth Year | ~1913 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Cora Campbell | Daughter | — | 21 | ~1919 |
| Alice Campbell | Daughter | — | 28 | ~1912 |
| Vesta Campbell | Head | — | 49 | ~1891 |
| Lizzie Gohagan | Other | — | 70 | ~1870 |
| Taylor Campbell | Son | — | 25 | ~1915 |
| Archie Campbell | Son | — | 16 | ~1924 |
| John Campbell | Son | — | 27 | ~1913 |
Census Appearances
1920
Major, Oklahoma
Son, age 7
Major, Oklahoma · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Major, Oklahoma
Son, age 17
Major, Oklahoma · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Age at First Marriage | 17 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Major-County, Oklahoma
Son, age 27
Major-County, Oklahoma · implied b. ~1913 — 7 household members
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Meno township |
| 1935 Residence (County) | Major |
| Occupation | 30 |
| Industry | Farm labour |
| Class of Worker | Farm |
| Hours Worked | 48 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 John Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father A Campbell (~0.92 confidence) and father Vista Campbell (~0.92 confidence) and mother Vesta Campbell (~0.92 confidence) and mother Vesta Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
A Campbell
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Vista Campbell
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Vesta Campbell
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Vesta Campbell
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Campbell
Son · 1940 · age 27 · b. ~1913 · Oklahoma
★ You are viewing this record
Sibling
Archie Campbell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Taylor Campbell
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Campbell
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Campbell
Sibling · 1940 · age 21
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 — Major-County, Oklahoma
Open full size
1940 US Federal Census — Major-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03310-00932)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Caroline Schmidt | 56 | Wife | — | Kansas |
| 2 | Tobias Unruh | 47 | Head | Farmer | Kansas |
| 3 | Susie Unruh | 47 | Wife | — | Kansas |
| 4 | Martha Unruh | 18 | daughter | — | Oklahoma |
| 5 | Susanna Wedel | 76 | mother in law | — | Russia |
| 6 | Joseph F. Bergdall | 77 | Head | — | Virginia |
| 7 | Ida E. Bergdall | 61 | Wife | — | W. Virginia |
| 8 | John Calvin Bergdall | 15 | son | Farm Labour | Oklahoma |
| 9 | Milford Bergdall | 36 | son | Farm Labour | Oklahoma |
| 10 | Faye L. Bergdall | 25 | daughter in law | — | Oklahoma |
| 11 | L. M. Sullivan | 15 | son | Farm Labour | Oklahoma |
| 12 | William H. Yantz | 40 | Head | Farmer | Oklahoma |
| 13 | Carrie Yantz | 32 | Wife | — | Oklahoma |
| 14 | Lois Elizabeth Yantz | 6 | daughter | — | Oklahoma |
| 15 | Twila Joan Yantz | 0 | daughter | — | Oklahoma |
| 16 | Henry H. Unruh | 42 | Head | Farmer | Oklahoma |
| 17 | Kate Unruh | 39 | Wife | — | Oklahoma |
| 18 | Gene Unruh | 11 | son | — | Oklahoma |
| 19 | Dorothy Unruh | 9 | daughter | — | Oklahoma |
| 20 | Kathryn Unruh | 4 | daughter | — | Oklahoma |
| 21 | B. E. Becker | 52 | Head | Farmer | Kansas |
| 22 | C. A. Becker | 61 | Wife | Farmer | Kansas |
| 23 | Eva Becker | 57 | sister | — | Kansas |
| 24 | David H. Yantz | 43 | Head | Laborer | Oklahoma |
| 25 | Bertha Yantz | 44 | Wife | — | Kansas |
| 26 | Velma N. Yantz | 18 | daughter | — | Oklahoma |
| 27 | Vera Mae Yantz | 15 | daughter | — | Oklahoma |
| 28 | Doris Vivian Yantz | 11 | daughter | — | Oklahoma |
| 29 | Elizabeth Ann Yantz | 8 | daughter | — | Oklahoma |
| 30 | Robert Lee Yantz | 5 | son | — | Oklahoma |
| 31 | Harold David Yantz | 3 | son | — | Oklahoma |
| 32 | William G. Ensz | 28 | Head | Farmer | Oklahoma |
| 33 | Viola Ensz | 26 | Wife | Teacher | Oklahoma |
| 34 | Vesta Campbell | 49 | Head | — | Missouri |
| 35 | Alice Campbell | 28 | daughter | — | Oklahoma |
| 36 | John Campbell THIS PERSON | 27 | son | 30 | Oklahoma |
| 37 | Taylor Campbell | 25 | son | 25 | Oklahoma |
| 38 | Cora Campbell | 21 | daughter | Maid | Oklahoma |
| 39 | Archie Campbell | 16 | son | — | Oklahoma |
| 40 | Lizzie Gohagan | 70 | mother | — | Missouri |
Pedigree Summary
John + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)