JC
John Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Graham-County, Arizona
Our Model Tree links this John Campbell across the 1920, 1930 and 1940 US Censuses in Graham-County, Arizona (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Arizona
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Graham-County, Arizona |
| Surname | Campbell |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Graham |
| 1935 Residence (County) | Graham |
| Additional Details | |
| Occupation | CCC |
| Industry | CCC |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 360 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Ccc |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Ethel Spafford | Daughter | — | 14 | ~1926 |
| Bernadine Campbell | Daughter | — | 18 | ~1922 |
| John Campbell | Head | — | 44 | ~1896 |
| Clyde Campbell | Son | — | 9 | ~1931 |
| John Campbell | Son | — | 3 | ~1937 |
| John Campbell | Son | — | 20 | ~1920 |
| Ida Campbell | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Graham, Arizona
Son, age
Graham, Arizona · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Utah |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Graham, Arizona
Son, age 10
Graham, Arizona · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Graham-County, Arizona
Son, age 20
Graham-County, Arizona · implied b. ~1920 — 7 household members
| Surname | Campbell |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Arizona |
| 1935 Residence (City) | Graham |
| 1935 Residence (County) | Graham |
| Occupation | CCC |
| Industry | CCC |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 360 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 John Campbell (~0.92 confidence) and father John Campbell (~0.92 confidence) and mother Brena Campbell (~0.92 confidence) and mother Ida Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Campbell
b. ~1897
Source father
● Household
· direct · ~0.92
Father
John Campbell
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Brena Campbell
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Ida Campbell
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Campbell
Son · 1940 · age 20 · b. ~1920 · Arizona
★ You are viewing this record
Sibling
Clyde Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Campbell
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Spafford
Sibling · 1940 · age 14
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 — Graham-County, Arizona
Open full size
1940 US Federal Census — Graham-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00103-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank L. Chaytes | 49 | Head | — | Mexico |
| 42 | Dominga Chaytes | 47 | Wife | House Keeper | New Mex |
| 43 | Louisa Chaytes | 16 | Daughter | House Keeper | New Mex |
| 44 | Eudis Chaytes | 11 | Son | — | New Mex |
| 45 | Felipa Chaytes | 10 | Daughter | — | New Mexico |
| 46 | John Campbell | 44 | Head | Auto Mech | Arizona |
| 47 | Ida M. Campbell | 38 | Wife | — | Utah |
| 48 | John W. Campbell THIS PERSON | 20 | Son | Ccc | Arizona |
| 49 | Bernadine Campbell | 18 | Daughter | — | Arizona |
| 50 | Clyde Campbell | 9 | Son | — | Arizona |
| 51 | John Ray Campbell | 3 | Son | — | Arizona |
| 52 | Ethel Spafford | 14 | Daughter | — | Arizona |
| 53 | Henry Allen | 74 | Head | Farm Laborer | Okla |
| 54 | Linnie Allen | 23 | Wife | — | Arizona |
| 55 | Norman J. Allen | 8 | Son | — | Arizona |
| 56 | Mabel Allen | 6 | Daughter | — | Arizona |
| 57 | Margaret Allen | 3 | Daughter | — | Arizona |
| 58 | Ramon Talavera | 33 | Head | Farm Laborer | New Mexico |
| 59 | Eugenia Talavera | 24 | Wife | — | Arizona |
| 60 | Adelinda Talavera | 4 | Daughter | — | Arizona |
| 61 | Rita Talavera | 52 | Mother | Laborer | Mexico |
| 62 | Rachel Talavera | 17 | Sister | House Keeper | New Mexico |
| 63 | Manuel Talavera | 14 | Bro | — | Arizona |
| 64 | Feliciana Talavera | 12 | Grandson | — | Arizona |
| 65 | Wm Wood | 47 | Head | Laborer Farm | Mexico |
| 66 | Norma Wood | 41 | Wife | — | Ariz. |
| 67 | Billy Louise Wood | 8 | Daughter | — | Arizona |
| 68 | Patricio Maldonado | 35 | Head | — | Arizona |
| 69 | Consuelo Maldonado | 18 | Daughter | House Keeper | Arizona |
| 70 | Filomena Maldonado | 17 | Daughter | — | Arizona |
| 71 | Rafiel Maldonado | 13 | Son | — | Arizona |
| 72 | Roberto Maldonado | 11 | Son | — | Arizona |
| 73 | Maria Maldonado | 10 | Daughter | — | Arizona |
| 74 | Arturo Maldonado | 9 | Son | — | Arizona |
| 75 | Pete Maldonado | 7 | Son | — | Arizona |
| 76 | Tomasiano Maldonado | 2 | Son | — | Arizona |
| 77 | Enrique Mirabal | 60 | Head | — | New Mexico |
| 78 | Ponce Esarzo Mirabal | 5 | Grandson | — | New Mexico |
| 79 | Maria Luz Soto | 77 | Head | — | New Mexico |
| 80 | Francesca Soto | 49 | Daughter | — | New Mex |
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)