HC
Harry Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Illinois
Our Model Tree links this Harry Campbell across the 1920, 1930 and 1940 US Censuses in Shelby-County, Illinois (XGBoost, ~Confirmed), with identified parents Samuel & Anna — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Illinois |
| Surname | Campbell |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Rural |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Campbell | Head | — | 42 | ~1898 |
| Robert Campbell | Son | — | 17 | ~1923 |
| Eloise Campbell | Daughter | — | 15 | ~1925 |
| Lillian Campbell | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Shelby, Illinois
Son, age 22
Shelby, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Shelby, Illinois
Head, age 32
Shelby, Illinois · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Harry A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Shelby-County, Illinois
Head, age 42
Shelby-County, Illinois · implied b. ~1898 — 4 household members
| Surname | Campbell |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Shelby |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 Harry Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Campbell (~0.92 confidence) and mother Anna Campbell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Campbell
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Anna Campbell
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Campbell
Head · 1940 · age 42 · b. ~1898 · Illinois
★ 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 — Shelby-County, Illinois
Open full size
1940 US Federal Census — Shelby-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00890-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Huebner | 23 | Head | Laborer | Illinois |
| 42 | Hazel Huebner | 20 | Wife | — | Illinois |
| 43 | Dale Huebner | 0 | Son | — | Illinois |
| 44 | James H. Swanson | 45 | Head | Farmer | Illinois |
| 45 | Ruth Swanson | 42 | Wife | — | Illinois |
| 46 | Mary Lou Swanson | 14 | Daughter | — | Illinois |
| 47 | Edna Cochran | 48 | Head | — | Illinois |
| 48 | Homer Cochran | 62 | Cousin | Farmer | Tennessee |
| 49 | Anna Rhodes | 66 | Cousin | — | Texas |
| 50 | Oren Watson | 22 | Hired Hand | Laborer | Illinois |
| 51 | C. W. Smith | 52 | Head | Farmer | Illinois |
| 52 | Nettie Smith | 50 | Wife | — | Illinois |
| 53 | Charles J. Auer | 61 | Head | Farmer | Illinois |
| 54 | Maude Auer | 55 | Wife | — | Illinois |
| 55 | Russell Smith | 86 | Father-in-law | — | Illinois |
| 56 | Stanley Smith | 45 | Head | Farmer | Illinois |
| 57 | Jean Smith | 27 | Wife | — | Illinois |
| 58 | Frank Southern | 40 | Head | Farmer | Illinois |
| 59 | Bertha Southern | 37 | Wife | — | Illinois |
| 60 | Anne Olive Southern | 13 | Daughter | — | Michigan |
| 61 | Harry A. Campbell THIS PERSON | 42 | Head | Farmer | Illinois |
| 62 | Lillian Campbell | 41 | Wife | — | Illinois |
| 63 | Robert Campbell | 17 | Son | — | Illinois |
| 64 | Eloise Campbell | 15 | Daughter | — | Illinois |
| 65 | J. W. Reynolds | 71 | Head | Farmer | Illinois |
| 66 | Hattie Reynolds | 72 | Wife | — | Missouri |
| 67 | Jesse Alton | 45 | Head | Farmer | Missouri |
| 68 | Mary Alton | 45 | Wife | — | Illinois |
| 69 | Florence Alton | 16 | Daughter | — | Wisconsin |
| 70 | George Alton | 15 | Son | — | Wisconsin |
| 71 | Clark Alton | 13 | Daughter | — | Illinois |
| 72 | L. M. Baker | 64 | Head | Farmer | Illinois |
| 73 | Mary A. Baker | 58 | Wife | — | Texas |
| 74 | James D. Wallace | 57 | Head | — | Illinois |
| 75 | Gracey Wallace | 79 | Mother | — | Illinois |
| 76 | J. E. Stuck | 53 | Head | Farmer | Illinois |
| 77 | Mary Stuck | 55 | Wife | — | Illinois |
| 78 | G. C. Pierce | 73 | Head | — | Indiana |
| 79 | Effie Pierce | 58 | Wife | — | Illinois |
| 80 | Harry Huebner | 58 | Head | Farmer | Illinois |
Related Census Records
Pedigree Summary
Harry
Gen 1 · 2 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)