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Frank Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Frank Campbell across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents S & Samuel — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Campbell |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis (City) |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Clerk |
| Industry | Upholstering |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerk |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1915 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Rosalind Campbell | Daughter | — | 16 | ~1924 |
| Frank Campbell | Head | — | 48 | ~1892 |
| Frank Campbell | Son | — | 25 | ~1915 |
| Jennie Campbell | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Marion, Indiana
Son, age 4
Marion, Indiana · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Fred |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Son, age 14
Marion, Indiana · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Fred H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 25
Marion-County, Indiana · implied b. ~1915 — 4 household members
| Surname | Campbell |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis (City) |
| 1935 Residence (County) | Marion |
| Occupation | Clerk |
| Industry | Upholstering |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Frank Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father S Campbell (~0.92 confidence) and father Samuel Campbell (~0.92 confidence) and mother Edith Campbell (~0.92 confidence) and father Frank Campbell (~0.92 confidence) and mother Jennie Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
S Campbell
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Samuel Campbell
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Edith Campbell
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Frank Campbell
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Jennie Campbell
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Campbell
Son · 1940 · age 25 · b. ~1915 · Indiana
★ You are viewing this record
Sibling
Rosalind Campbell
Sibling · 1940 · age 16
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01122-00539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maud D Harris | 51 | Wife | — | Indiana |
| 2 | Robert Johanson | 7 | Lodger | — | Indiana |
| 3 | Frank Campbell | 48 | Head | Estimator | Illinois |
| 4 | Jennie V Campbell | 45 | Wife | — | Indiana |
| 5 | Frank Campbell THIS PERSON | 25 | Son | Clerk | Indiana |
| 6 | Rosalind Campbell | 16 | Daughter | — | Indiana |
| 7 | Robert Dolan | 24 | Head | Asst. Manager | New York |
| 8 | Margaret Dolan | 23 | Wife | — | Indiana |
| 9 | Haven Mundell | 40 | Head | Custodian | Indiana |
| 10 | Hazel Mundell | 29 | Wife | — | Indiana |
| 11 | Joseph Callahan | 31 | Head | Machinist | Indiana |
| 12 | Mildred Callahan | 34 | Wife | — | Indiana |
| 13 | Patricia Callahan | 9 | Daughter | — | Indiana |
| 14 | Joan Callahan | 6 | Daughter | — | Indiana |
| 15 | Carolyn Sue Callahan | 3 | Daughter | — | Indiana |
| 16 | William H Horn | 48 | Head | Driver | Tennessee |
| 17 | Lula Horn | 51 | Wife | — | Missouri |
| 18 | James A Horsley | 24 | Head | Clerk | Indiana |
| 19 | Margaret Horsley | 22 | Wife | — | Kentucky |
| 20 | Donald Horsley | 4 | Son | — | Indiana |
| 21 | Jack Quinn | 32 | Head | Molder | Kentucky |
| 22 | Bera Quinn | 25 | Wife | — | Kentucky |
| 23 | Robert Quinn | 2 | Son | — | Kentucky |
| 24 | Raymond Russell | 26 | Head | Mechanics Helper | Indiana |
| 25 | Eva Russell | 30 | Wife | Housework | Indiana |
| 26 | George Rhine | 44 | Head | Paper Hanger | Missouri |
| 27 | Virginia Rhine | 24 | Wife | — | Tennessee |
| 28 | Carl Fairchild | 33 | Head | Mechanic | Kentucky |
| 29 | Lucille Fairchild | 28 | Wife | Bundler | Kentucky |
| 30 | Earl Britz | 38 | Head | Truck Driver | Indiana |
| 31 | Marie Britz | 37 | Wife | — | Illinois |
| 32 | Owen Null | 31 | Head | Dispatcher | Kentucky |
| 33 | Helen Null | 29 | Wife | — | Indiana |
| 34 | Leslie Null | 8 | Son | — | Indiana |
| 35 | Graham Null | 4 | Son | — | Indiana |
| 36 | Stanley Burgan | 19 | Brother-in-law | Spray Painter | Indiana |
| 37 | Milton Medley | 25 | Head | Pressman | Tennessee |
| 38 | Zettie Medley | 24 | Wife | — | Tennessee |
| 39 | Vivian Medley | 2 | Daughter | — | Tennessee |
| 40 | Tressa E Medley | 0 | Daughter | — | Indiana |
Related Census Records
Pedigree Summary
Frank + 1 sibling
Gen 1 · 5 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)