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Clarence Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hughes-County, Oklahoma
Our Model Tree links this Clarence Campbell across the 1930 and 1940 US Censuses in Hughes-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 15-person household.
Age 13
b. ~1927
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hughes-County, Oklahoma |
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Yeager Township |
| 1935 Residence (County) | Hughes |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Yeager Township |
| Est. Birth Year | ~1927 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Imogene Coleman | Other | — | 7 | ~1933 |
| Infant Campbell | Daughter | — | ~1940 | |
| Joe Campbell | Son | — | 9 | ~1931 |
| Thelma Campbell | Daughter | — | 11 | ~1929 |
| Ollie Campbell | Daughter | — | 15 | ~1925 |
| Raymond Campbell | Son | — | 17 | ~1923 |
| Leroy Campbell | Son | — | 23 | ~1917 |
| Clarence Campbell | Son | — | 13 | ~1927 |
| Alma Campbell | Daughter | — | 4 | ~1936 |
| Bobby Campbell | Son | — | 6 | ~1934 |
| Eugene Campbell | Son | — | 8 | ~1932 |
| Helen Campbell | Spouse | — | 40 | ~1900 |
| Millie Campbell | Son | — | 21 | ~1919 |
| Maxine Campbell | Daughter | — | 2 | ~1938 |
| Percy Campbell | Head | — | 54 | ~1886 |
Census Appearances
1930
Hughes, Oklahoma
Son, age 3
Hughes, Oklahoma · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Texas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Hughes-County, Oklahoma
Son, age 13
Hughes-County, Oklahoma · implied b. ~1927 — 15 household members
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Yeager Township |
| 1935 Residence (County) | Hughes |
| Highest Grade | No 3 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Clarence Campbell
Son · 1940 · age 13 · b. ~1927 · Oklahoma
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Sibling
Bobby Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millie Campbell
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ollie Campbell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Infant Campbell
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Campbell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Campbell
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Campbell
Sibling · 1940 · age 4
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 — Hughes-County, Oklahoma
Open full size
1940 US Federal Census — Hughes-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03298-00801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Harjo | 13 | daughter | — | Oklahoma |
| 2 | Raymond Harjo | 6 | son | — | Oklahoma |
| 3 | Lindy Harjo | 3 | daughter | — | Oklahoma |
| 4 | Percy A Campbell | 54 | Head | Farmer | Oklahoma |
| 5 | Helen Campbell | 40 | wife | — | Texas |
| 6 | Leroy Campbell | 23 | son | Farm Laborer | Oklahoma |
| 7 | Millie M. Campbell | 21 | son | Blacksmith Apprentice | Oklahoma |
| 8 | Raymond Campbell | 17 | son | Farm Laborer | Oklahoma |
| 9 | Ollie Campbell | 15 | daughter | — | Oklahoma |
| 10 | Clarence Campbell THIS PERSON | 13 | son | — | Oklahoma |
| 11 | Thelma Campbell | 11 | daughter | — | Oklahoma |
| 12 | Joe Campbell | 9 | son | — | Oklahoma |
| 13 | Eugene Campbell | 8 | son | — | Oklahoma |
| 14 | Bobby Rae Campbell | 6 | son | — | Oklahoma |
| 15 | Alma Campbell | 4 | daughter | — | Oklahoma |
| 16 | Maxine Campbell | 2 | daughter | — | Oklahoma |
| 17 | Infant Campbell | 0 | daughter | — | Oklahoma |
| 18 | Imogene Coleman | 7 | granddaughter | — | Oklahoma |
| 19 | Jack W Davis | 46 | Head | Farmer | Oklahoma |
| 20 | Susie Davis | 44 | wife | — | Oklahoma |
| 21 | Clements Davis | 19 | son | Farmer | Oklahoma |
| 22 | Clarence Davis | 10 | daughter | — | Oklahoma |
| 23 | Robert Davis | 15 | son | Farmer | Oklahoma |
| 24 | Nora Davis | 13 | daughter | — | Oklahoma |
| 25 | John Davis | 10 | son | — | Oklahoma |
| 26 | Janeta Davis | 5 | daughter | — | Oklahoma |
| 27 | Janela Davis | 5 | daughter | — | Oklahoma |
| 28 | Jackson Yahola | 72 | Head | Farmer | Oklahoma |
| 29 | Celia Yahola | 61 | wife | — | Oklahoma |
| 30 | Alex B Yahola | 22 | son | Farm Laborer | Oklahoma |
| 31 | Nancy Yahola | 20 | daughter | — | Oklahoma |
| 32 | Frank Yahola | 19 | grandson | — | Oklahoma |
| 33 | Melton Long | 58 | Head | Farmer | Oklahoma |
| 34 | Tella Long | 38 | wife | — | Oklahoma |
| 35 | Mabel Long | 14 | daughter | — | Oklahoma |
| 36 | Kizzie Long | 10 | daughter | — | Oklahoma |
| 37 | Florence Long | 8 | daughter | — | Oklahoma |
| 38 | Nisey Long | 6 | daughter | — | Oklahoma |
| 39 | Ceasar Simon | 57 | Lodger | Farm Laborer | Oklahoma |
| 40 | M. A. Pogue | 55 | Head | Farmer | Texas |
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)