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Clarence Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Stephenson-County, Illinois
Our Model Tree links this Clarence Campbell across the 1930 and 1940 US Censuses in Stephenson-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stephenson-County, Illinois |
| Surname | Campbell |
| Given Name | Clarence M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Waddams |
| 1935 Residence (County) | Stephenson |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Waddams |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Lester Campbell | Son | — | 15 | ~1925 |
| Lona Campbell | Daughter | — | 1 | ~1939 |
| Clarence Campbell | Son | — | 10 | ~1930 |
| Harry Campbell | Head | — | 43 | ~1897 |
| Mabel Campbell | Daughter | — | 5 | ~1935 |
| Ruth Campbell | Daughter | — | 8 | ~1932 |
| Francis Campbell | Son | — | 17 | ~1923 |
| Harry Campbell | Son | — | 12 | ~1928 |
| Pearl Campbell | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Stephenson, Illinois
Son, age
Stephenson, Illinois · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Stephenson-County, Illinois
Son, age 10
Stephenson-County, Illinois · implied b. ~1930 — 9 household members
| Surname | Campbell |
| Given Name | Clarence M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Waddams |
| 1935 Residence (County) | Stephenson |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Harry Campbell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Campbell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lona Campbell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Campbell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Campbell
Sibling · 1940 · age 8
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 — Stephenson-County, Illinois
Open full size
1940 US Federal Census — Stephenson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00893-00327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard M Shoemaker | 23 | Head | Laborer | Virginia |
| 42 | Caroline M Shoemaker | 20 | Wife | — | Wisconsin |
| 43 | Frank R Shoemaker | 1 | Son | — | Maryland |
| 44 | Harry M Campbell | 43 | Head | Laborer | Illinois |
| 45 | Pearl E Campbell | 36 | Wife | — | Illinois |
| 46 | Francis H Campbell | 17 | Son | — | Illinois |
| 47 | Lester J Campbell | 15 | Son | — | Illinois |
| 48 | Harry J Campbell | 12 | Son | — | Illinois |
| 49 | Clarence M Campbell THIS PERSON | 10 | Son | — | Illinois |
| 50 | Ruth L Campbell | 8 | Daughter | — | Illinois |
| 51 | Mabel N Campbell | 5 | Daughter | — | Illinois |
| 52 | Lona Y Campbell | 1 | Daughter | — | Illinois |
| 53 | Ernest A Ensl | 29 | Head | Farmer | Illinois |
| 54 | Genevieve Ensl | 28 | Wife | — | Illinois |
| 55 | Martha Ensl | 47 | Mother | — | Germany |
| 56 | Emil Jr. Ensl | 11 | Brother | — | Illinois |
| 57 | Lewis A Stakemiller | 51 | Head | Farm Laborer | Illinois |
| 58 | Martha Mae Stakemiller | 44 | Wife | — | Iowa |
| 59 | Leola E Stakemiller | 20 | Daughter | Maid | Illinois |
| 60 | Raymond L Stakemiller | 18 | Son | — | Illinois |
| 61 | Dale H Stakemiller | 14 | Son | — | Illinois |
| 62 | Donald C Stakemiller | 12 | Son | — | Illinois |
| 63 | Alvin M Amendt | 40 | Head | Farmer | Illinois |
| 64 | Millie M Amendt | 36 | Wife | — | Illinois |
| 65 | Irene E Amendt | 13 | Daughter | — | Illinois |
| 66 | Lois M Althoff | 16 | Daughter | Helper | Wisconsin |
| 67 | John A Thee | 46 | Head | Farmer | Illinois |
| 68 | Harry Tessendorf | 22 | Hired Hand | Farm Laborer | Wisconsin |
| 69 | Harry Mccool | 50 | Hired Hand | Farm Laborer | Illinois |
| 70 | Fred B Merkle | 57 | Head | Farmer | Germany |
| 71 | Katherine Merkle | 53 | Wife | — | Illinois |
| 72 | Orville F Merkle | 22 | Son | Farm Laborer | Illinois |
| 73 | Arelda E Merkle | 20 | Daughter | — | Illinois |
| 74 | Ervin B Albright | 51 | Head | Farmer | Nebraska |
| 75 | Cora S Albright | 51 | Wife | — | Illinois |
| 76 | Earl F Albright | 28 | Son | Electrician | Illinois |
| 77 | Everett H Albright | 27 | Son | Farm Laborer | Illinois |
| 78 | Milford L Albright | 24 | Son | Farm Laborer | Illinois |
| 79 | Eva V Albright | 18 | Daughter | — | Illinois |
| 80 | Ida D Albright | 9 | Daughter | — | Illinois |
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)