EC
Edward Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Edward Campbell across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Donna & Anne — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Campbell |
| Given Name | Edward D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Chemist |
| Industry | Pharmaceutical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Chemist |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1895 |
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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Linda Campbell | Daughter | — | ~1940 | |
| Edward Campbell | Head | — | 45 | ~1895 |
| Ruth Campbell | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Marion, Indiana
Son, age 24
Marion, Indiana · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Edward D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Chemist |
| Industry | Gas Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 35
Marion, Indiana · implied b. ~1895
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Campbell |
| Given Name | Edward D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 45
Marion-County, Indiana · implied b. ~1895 — 3 household members
| Surname | Campbell |
| Given Name | Edward D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Chemist |
| Industry | Pharmaceutical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Edward Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Donna Campbell (~0.92 confidence) and father Anne Campbell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Donna Campbell
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Anne Campbell
b. ~1874
Source father
● Household
· direct · ~0.92
This person
Anchor record
Edward Campbell
Head · 1940 · age 45 · b. ~1895 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-01131-00769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George A. Wildhack | 25 | Step-son | Proof Reader Advertising Copy | Indiana |
| 2 | Mary F. Ab. Wildhack | 23 | Step-daughter | — | Indiana |
| 3 | Mrs. C. A. Schaaf | 68 | Mother-in-law | Practitioner | Virginia |
| 5 | Jasper P. Scott | 45 | Head | Chemist | Indiana |
| 6 | Helen G. Scott | 42 | Wife | — | Indiana |
| 7 | Robert P. Scott | 18 | Son | — | Indiana |
| 8 | Martha Ann Scott | 14 | Daughter | — | Indiana |
| 9 | Charles E. Scott | 11 | Son | — | Indiana |
| 10 | Milton W. Mangers | 55 | Head | Lawyer | Indiana |
| 11 | Katherine L. Mangers | 50 | Wife | — | Indiana |
| 12 | P. R. Hightower | 53 | Head | Teacher | Indiana |
| 13 | Ethel H. Hightower | 43 | Wife | Teacher | Indiana |
| 14 | Helen Teal | 49 | Lodger | Trained Nurse | Indiana |
| 15 | Julius H. P. Gauss | 68 | Head | Medical Doctor | Missouri |
| 16 | Jessie L. Gauss | 61 | Wife | Laboratory Technician | Iowa |
| 17 | Edward D. Campbell THIS PERSON | 45 | Head | Chemist | Indiana |
| 18 | Ruth Campbell | 30 | Wife | — | Minnesota |
| 19 | Linda Ruth Campbell | 0 | Daughter | — | Indiana |
| 20 | Edward E. Swanson | 43 | Head | Physiologist | Minnesota |
| 21 | Lavonda Swanson | 35 | Wife | — | Indiana |
| 22 | Shirley Ann Swanson | 7 | Daughter | — | Indiana |
| 23 | Jane Ellen Swanson | 2 | Daughter | — | Indiana |
| 25 | Edith W. Calhoun | 49 | Head | Chaperone | Iowa |
| 26 | Frank Chinn | 28 | Servant | Houseman | Kentucky |
| 27 | Helena Chinn | 27 | Cook | Cook | Kentucky |
| 28 | Grace Adams | 55 | Head | Chaperone | Indiana |
| 29 | Earl C. Stith | 47 | Servant | Houseman | Indiana |
| 30 | Mabel J. Stith | 43 | Maid | Cook | Indiana |
| 31 | Bessie E. Bryson | 53 | Head | Chaperone | Indiana |
| 33 | Nancy Crampton | 63 | Head | Chaperone | Indiana |
| 34 | Minnie B. Link | 70 | Head | Chaperone | Illinois |
| 36 | Bessie Shaffer | 47 | Head | Chaperone | Indiana |
| 38 | Ora Wingfield | 73 | Head | Chaperone | Indiana |
| 39 | Paul Umbarger | 22 | Lodger | Salesman | Pennsylvania |
Pedigree Summary
Edward
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)