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Clarence Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clearwater-County, Minnesota
Our Model Tree links this Clarence Campbell across the 1930 and 1940 US Censuses in Clearwater-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clearwater-County, Minnesota |
| Surname | Campbell |
| Given Name | Clarence F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Nora |
| 1935 Residence (County) | Clearwater |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Nora |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Delia Campbell | Daughter | — | 11 | ~1929 |
| Clarence Campbell | Son | — | 12 | ~1928 |
| Collin Campbell | Head | — | 41 | ~1899 |
| Margaret Campbell | Daughter | — | 7 | ~1933 |
| Allen Campbell | Son | — | 2 | ~1938 |
| Patrick Campbell | Son | — | ~1940 | |
| Winifred Campbell | Spouse | — | 38 | ~1902 |
| Daniel Campbell | Son | — | 5 | ~1935 |
| Betty Campbell | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Clearwater, Minnesota
Son, age 2
Clearwater, Minnesota · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Clearwater-County, Minnesota
Son, age 12
Clearwater-County, Minnesota · implied b. ~1928 — 9 household members
| Surname | Campbell |
| Given Name | Clarence F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Nora |
| 1935 Residence (County) | Clearwater |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 12 · b. ~1928 · Minnesota
★ You are viewing this record
Sibling
Betty Campbell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Campbell
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Campbell
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Campbell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delia Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Campbell
Sibling · 1940 · age 5
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 — Clearwater-County, Minnesota
Open full size
1940 US Federal Census — Clearwater-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01914-01034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hans Iverson | 49 | Head | Farmer | Minnesota |
| 2 | Elise Iverson | 35 | Wife | — | Minnesota |
| 3 | Mildred C. Iverson | 7 | Daughter | — | Minnesota |
| 4 | Christ E. Iverson | 4 | Son | — | Minnesota |
| 5 | Ella H. Iverson | 3 | Daughter | — | Minnesota |
| 6 | Elmer D. Iverson | 1 | Son | — | Minnesota |
| 7 | Elvin Boe | 32 | Head | County Maintenance Man | Minnesota |
| 8 | Loretta H. Boe | 24 | Wife | — | Minnesota |
| 9 | Shirley A. Boe | 3 | Daughter | — | Minnesota |
| 10 | Gerald L. Boe | 2 | Son | — | Minnesota |
| 11 | Carl H. Olson | 24 | Lodger | Farm Labour | Minnesota |
| 12 | Theodore R. Netland | 24 | Head | Farmer | Minnesota |
| 13 | Bernice E. Netland | 24 | Wife | — | Minnesota |
| 14 | D. Betty Hessey | 8 | Niece | — | Minnesota |
| 15 | Herman Melby | 65 | Head | Farmer | Norway |
| 16 | Sena Melby | 71 | Wife | — | Norway |
| 17 | Charlie Johnson | 64 | Neph | Farm Laborer | Norway |
| 18 | Selmer J. Larson | 49 | Head | Farmer | Minnesota |
| 19 | Selma Larson | 43 | Wife | — | Minnesota |
| 20 | Maxine J. Larson | 16 | Daughter | New Worker | Minnesota |
| 21 | C. Leone Larson | 5 | Daughter | — | Minnesota |
| 22 | Charles A. Corick | 38 | Head | Farmer | Pennsylvania |
| 23 | Iona Corick | 40 | Wife | — | Minnesota |
| 24 | Effie Dawn Corick | 4 | Daughter | — | Minnesota |
| 25 | Thomas Bergh | 39 | Head | Farmer | Minnesota |
| 26 | Henry D. Loper | 47 | Head | Farmer | Wisconsin |
| 27 | Hilma S. Loper | 42 | Wife | — | Minnesota |
| 28 | Wendell L. Loper | 19 | Son | New Worker | Minnesota |
| 29 | Bernice C. A. Loper | 16 | Daughter | — | Minnesota |
| 30 | Sherman Lee | 45 | Cousin | Baker | South Dakota |
| 31 | Collin F. Campbell | 41 | Head | Farmer | Minnesota |
| 32 | Winifred M. Campbell | 38 | Wife | — | Minnesota |
| 33 | Betty C. Campbell | 14 | Daughter | — | Minnesota |
| 34 | Clarence F. Campbell THIS PERSON | 12 | Son | — | Minnesota |
| 35 | Delia M. Campbell | 11 | Daughter | — | Minnesota |
| 36 | Margaret A. Campbell | 7 | Daughter | — | Minnesota |
| 37 | Daniel G. Campbell | 5 | Son | — | Minnesota |
| 38 | Allen B. Campbell | 2 | Son | — | Minnesota |
| 39 | Patrick J. Campbell | 0 | Son | — | Minnesota |
| 40 | Webb W. Langworthy | 71 | Head | — | Minnesota |
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)