RC
Robert Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this Robert Campbell across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed), with identified parents Bruce & W — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Catawba Village |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | press operator |
| Industry | implement factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1763 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Press Operator |
| Township / Ward | Catawba Village |
| Est. Birth Year | ~1911 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Campbell | Head | — | 29 | ~1911 |
| David Campbell | Son | — | ~1940 | |
| Helen Campbell | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Clark, Ohio
Son, age 9
Clark, Ohio · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Son, age 19
Clark, Ohio · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Canal Boat Operator |
| Industry | Agriculture factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Head, age 29
Clark-County, Ohio · implied b. ~1911 — 3 household members
| Surname | Campbell |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Catawba Village |
| 1935 Residence (County) | Clark |
| Occupation | press operator |
| Industry | implement factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1763 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Robert Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bruce Campbell (~0.92 confidence) and father W Campbell (~0.92 confidence) and mother Beatrice Campbell (~0.92 confidence) and mother M Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bruce Campbell
b. ~1888
Source father
● Household
· direct · ~0.92
Father
W Campbell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Beatrice Campbell
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
M Campbell
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Campbell
Head · 1940 · age 29 · b. ~1911 · Ohio
★ 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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03038-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jeannine Berry | 9 | wife's niece | — | Ohio |
| 2 | Wilbur Tucker | 37 | head | Auto Operator | Ohio |
| 3 | Juanita Tucker | 34 | wife | — | Ohio |
| 4 | Dorothy Tucker | 13 | daughter | — | Ohio |
| 5 | Harlan Ashworth | 38 | head | Press Operator | West Virginia |
| 6 | Laura Ashworth | 37 | wife | — | Ohio |
| 7 | Harlan Jr. Ashworth | 19 | son | Ot | Ohio |
| 8 | Janice Ashworth | 17 | daughter | S | Ohio |
| 9 | Donna Ashworth | 6 | daughter | — | Ohio |
| 10 | Sandra Ashworth | 3 | daughter | 0 | Ohio |
| 11 | Bruce Campbell | 52 | head | Press Operator | Ohio |
| 12 | Beatrice Campbell | 48 | wife | — | Ohio |
| 13 | Sheldon Campbell | 21 | son | Truck Driver | Ohio |
| 14 | Donald Campbell | 17 | son | S | Ohio |
| 15 | James Campbell | 14 | son | S | Ohio |
| 16 | Alice Wright | 74 | head | — | Ohio |
| 17 | James Dinnen | 44 | son-in-law | Farm Laborer | West Virginia |
| 18 | Izilla Dinnen | 43 | daughter | — | Ohio |
| 19 | Robert Campbell THIS PERSON | 29 | head | Press Operator | Ohio |
| 20 | Helen Campbell | 25 | wife | — | Ohio |
| 21 | David Campbell | 0 | son | 0 | Ohio |
| 22 | Harry Landers | 30 | head | Owner-Operator | Ohio |
| 23 | Velma Landers | 34 | wife | — | Ohio |
| 24 | James Landers | 1 | son | 0 | Ohio |
| 25 | Emerson Hall | 22 | head | Truck Driver | Ohio |
| 26 | Mary Hall | 22 | wife | — | Ohio |
| 27 | Gary Hall | 2 | son | 0 | Ohio |
| 28 | Cecil Hunter | 56 | head | Farm Operator | Ohio |
| 29 | Grace Hunter | 57 | wife | — | Ohio |
| 30 | Elvin Hunter | 15 | son | S | Ohio |
| 31 | Charles Hill | 64 | head | Minister | Ohio |
| 32 | Mary Hill | 55 | wife | — | Ohio |
| 33 | Mary Tavenner | 50 | head | Music Teacher | Ohio |
| 34 | Marian Stephens | 75 | head | — | Ohio |
| 35 | Fred Hayes | 49 | head | Truck Driver | Kentucky |
| 36 | Mary Hayes | 41 | wife | — | Ohio |
| 37 | Rodger Hayes | 13 | son | — | Ohio |
| 38 | Rose Hayes | 9 | daughter | — | Ohio |
Pedigree Summary
Robert
Gen 1 · 4 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)