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Clarence Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Oklahoma
Our Model Tree links this Clarence Campbell across the 1920, 1930 and 1940 US Censuses in Logan-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Athens & Nathan — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Oklahoma |
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Antelope |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 1 |
| Income (1939) | 60 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Farm Laborer |
| Township / Ward | Antelope |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Mammie Campbell | Spouse | — | 54 | ~1886 |
| S Campbell | Head | — | 58 | ~1882 |
| Clarence Campbell | Son | — | 32 | ~1908 |
Census Appearances
1920
Logan, Oklahoma
Son, age 12
Logan, Oklahoma · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Logan, Oklahoma
Son, age 22
Logan, Oklahoma · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Laborer |
| Industry | On farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Logan-County, Oklahoma
Son, age 32
Logan-County, Oklahoma · implied b. ~1908 — 3 household members
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Antelope |
| 1935 Residence (County) | Logan |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 1 |
| Income (1939) | 60 |
| Highest Grade | No 7 |
| 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 Clarence Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Athens Campbell (~0.92 confidence) and father Nathan Campbell (~0.92 confidence) and father S Campbell (~0.92 confidence) and mother Mamie Campbell (~0.92 confidence) and mother Mammie Campbell (~0.92 confidence) and mother Minnie Campbell (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Athens Campbell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Nathan Campbell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
S Campbell
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mamie Campbell
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mammie Campbell
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Minnie Campbell
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Campbell
Son · 1940 · age 32 · b. ~1908 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Logan-County, Oklahoma
Open full size
1940 US Federal Census — Logan-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03307-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lula F. Shelly | 46 | Wife | Farmer | Arkansas |
| 42 | Clarence Benson | 37 | Head | Wpa Farm Laborer | Texas |
| 43 | Irene Benson | 38 | Wife | Housewife | Oklahoma |
| 44 | Clarence Jr. Benson | 8 | Son | — | Oklahoma |
| 45 | Delmar Lee Benson | 6 | Son | — | Oklahoma |
| 46 | June Anna Benson | 5 | Daughter | — | Oklahoma |
| 47 | Bennie Benson | 0 | Son | — | Oklahoma |
| 48 | Anna Ellis | 63 | Head | Housework | Arkansas |
| 49 | Marie Harlow | 28 | Daughter | Seamstress | Oklahoma |
| 50 | Wilma Harlow | 17 | Granddaughter | — | Oklahoma |
| 51 | Russell Harlow | 15 | Grandson | — | Oklahoma |
| 52 | Willie Harlow | 8 | Granddaughter | — | Oklahoma |
| 53 | Alma Jean Harlow | 6 | Granddaughter | — | Oklahoma |
| 54 | Benton Terrell | 47 | Head | Farmer | Oklahoma |
| 55 | Vada Terrell | 42 | Wife | Teaching | Mississippi |
| 56 | S. G. Campbell | 58 | Head | Farm Laborer | Texas |
| 57 | Mammie A. Campbell | 54 | Wife | Housewife | Texas |
| 58 | Clarence Campbell THIS PERSON | 32 | Son | Farm Laborer | Oklahoma |
| 59 | Bert Williamson | 34 | Head | Farm | Oklahoma |
| 60 | Artillia Mae Williamson | 30 | Wife | Housewife | Oklahoma |
| 61 | Dudley Pollard | 30 | Head | Farmer | Mississippi |
| 62 | Mahammie Pollard | 27 | Wife | Housewife | Oklahoma |
| 63 | Lawrence B. Pollard | 18 | Son | — | Oklahoma |
| 64 | Neal Lewis | 57 | Head | Farmer | Texas |
| 65 | Annie Mae Lewis | 43 | Wife | Teacher | So. Carolina |
| 66 | Tophie Samuel Lewis | 22 | Son | — | Oklahoma |
| 67 | Elbert Johnson | 30 | Head | Farmer | Okla |
| 68 | Elsie B. Johnson | 28 | Wife | Housewife | Okla |
| 69 | Elizabeth Rose Johnson | 8 | Daughter | — | Kansas |
| 70 | Gayle Celesta Johnson | 6 | Daughter | — | Okla |
| 71 | Kelley Walter Johnson | 4 | Son | — | Okla |
| 72 | Maxine Johnson | 2 | Daughter | — | Okla |
| 73 | John P. Harris | 65 | Head | Farmer | Texas |
| 74 | James Mae Harris | 62 | Wife | Housewife | Texas |
| 75 | James C. Harris | 26 | Son | Farm Laborer | Oklahoma |
| 76 | Lou Mae Walton | 23 | Daughter | Housewife | Oklahoma |
| 77 | Cleo Alden | 30 | Son-in-law | Farm Laborer | Oklahoma |
| 78 | James Garner | 48 | Head | Manager | Kentucky |
| 79 | Lola Garner | 29 | Wife | Housewife | Kansas |
| 80 | Dorris Garner | 2 | Daughter | Student | Oklahoma |
Pedigree Summary
Clarence
Gen 1 · 6 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)