DC
Donald Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this Donald Campbell across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Campbell |
| Given Name | Donald E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | Screw machine Operator |
| Industry | Paper Box Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Screw Machine Operator |
| Township / Ward | Springfield |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Ruth Campbell | Daughter | — | 11 | ~1929 |
| Robert Schaeffing | Other | — | 31 | ~1909 |
| Vivian Campbell | Daughter | — | 12 | ~1928 |
| Donald Campbell | Head | — | 31 | ~1909 |
| Clara Campbell | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Clark, Ohio
Son, age 10
Clark, Ohio · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Son, age 21
Clark, Ohio · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Donald E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Box-maker |
| Industry | Box 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 31
Clark-County, Ohio · implied b. ~1909 — 5 household members
| Surname | Campbell |
| Given Name | Donald E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Occupation | Screw machine Operator |
| Industry | Paper Box Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | H-2 |
| 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 Donald Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Campbell (~0.92 confidence) and father John Campbell (~0.92 confidence) and mother Jane Campbell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Campbell
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Campbell
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Jane Campbell
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Campbell
Head · 1940 · age 31 · b. ~1909 · 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
40 people indexed on this census page (nara:1940:m-t0627-03038-00800)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Geo. B. Heeg | 45 | Head | Mill Hand | Ohio |
| 2 | Lillie (X) Heeg | 41 | Wife | — | Arkansas |
| 3 | Deoma Heeg | 19 | Daughter | Motor Builder | Ohio |
| 4 | Betty Heeg | 16 | Daughter | — | Ohio |
| 5 | Leroy Heeg | 14 | Son | — | Ohio |
| 6 | Orla F. Crouse | 42 | Head | Casket Inspector | Ohio |
| 7 | Verna Crouse | 33 | Wife | — | Ohio |
| 8 | Donald E. Campbell THIS PERSON | 31 | Head | Screw Machine Operator | Ohio |
| 9 | Clara Campbell | 28 | Wife | — | Ohio |
| 10 | Vivian Campbell | 12 | Daughter | — | Ohio |
| 11 | Ruth Campbell | 11 | Daughter | — | Ohio |
| 12 | Robert Schaeffing | 31 | Brother in law | Chrome Plater | Ohio |
| 13 | James Crain | 23 | Head | Machine Operator | Ohio |
| 14 | Marjorie Crain | 20 | Wife | — | Ohio |
| 15 | Jesse Pugh | 40 | Head | Core Maker | Ohio |
| 16 | Lenora Pugh | 36 | Wife | — | Ohio |
| 17 | Jesse Jr Pugh | 15 | Son | — | Ohio |
| 18 | Thomas Pugh | 13 | Son | — | Ohio |
| 19 | Kenneth Pugh | 11 | Son | — | Ohio |
| 20 | Fenton Pugh | 9 | Son | — | Ohio |
| 21 | Leroy Pugh | 7 | Son | — | Ohio |
| 22 | Irene Pugh | 3 | Daughter | — | Ohio |
| 23 | Ilene Pugh | 3 | Daughter | — | Ohio |
| 24 | Nellie Ward | 71 | Head | — | W. Virginia |
| 25 | Leo Ward | 13 | Son | — | Ohio |
| 26 | Anna Somintus | 65 | Head | — | Lithuania |
| 27 | Mary Somintus | 34 | Daughter | File Clerk | England |
| 28 | Joseph Somintus | 31 | Son | Electrician | England |
| 29 | Magdalena Somintus | 24 | Daughter | Typist | Ohio |
| 30 | Frank Boyles | 75 | Head | Repair Man | Virginia |
| 31 | Hannah Boyles | 65 | Wife | — | Ohio |
| 32 | Henderson Boyles | 34 | Son | — | Ohio |
| 33 | Curtis Boyles | 38 | Son in law | Machine Operator | Kansas |
| 34 | Oscar Anderson | 61 | Head | Foreman | Ohio |
| 35 | Daisy (X) Anderson | 62 | Wife | — | Ohio |
| 36 | Nita (X) First | 45 | Head | Manager | Ohio |
| 37 | Thelma First | 25 | Daughter | Comptometer Operator | Ohio |
| 38 | Lauren First | 23 | Son | Truck Driver | Ohio |
| 39 | Nilda First | 14 | Daughter | — | Ohio |
| 40 | Leo Kelly | 34 | Head | Stockman | Ohio |
Pedigree Summary
Donald
Gen 1 · 3 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)