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Frank Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wabash-County, Illinois
Our Model Tree links this Frank Campbell across the 1920, 1930 and 1940 US Censuses in Wabash-County, Illinois (XGBoost, ~Confirmed), with identified parents Blanch & Elbert — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wabash-County, Illinois |
| Surname | Campbell |
| Given Name | Frank Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt Carmel |
| 1935 Residence (County) | Wabash |
| Additional Details | |
| Occupation | Laborer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 2 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Mt Carmel City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Anita Morris | Daughter | — | 1 | ~1939 |
| Frank Campbell | Head | — | 43 | ~1897 |
| Robert Morris | Other | — | 23 | ~1917 |
| Frank Campbell | Son | — | 21 | ~1919 |
| Arthur Campbell | Son | — | 18 | ~1922 |
| Blanch Campbell | Spouse | — | 44 | ~1896 |
| Dorothy Morris | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Wabash, Illinois
Son, age 1
Wabash, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Wabash, Illinois
Son, age 11
Wabash, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Frank Junior |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wabash-County, Illinois
Son, age 21
Wabash-County, Illinois · implied b. ~1919 — 7 household members
| Surname | Campbell |
| Given Name | Frank Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt Carmel |
| 1935 Residence (County) | Wabash |
| Occupation | Laborer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 2 |
| Highest Grade | Hs 4 |
| 1935 Residence | Illinois |
| 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 Frank Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Blanch Campbell (~0.92 confidence) and father Elbert Campbell (~0.92 confidence) and father Frank Campbell (~0.92 confidence) and mother Dorothy Morris (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.82
Mother
Blanch Campbell
b. ~1896
Source mother
● Household
· direct · ~0.92
Father
Elbert Campbell
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Frank Campbell
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Dorothy Morris
b. ~1920
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Frank Campbell
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Arthur Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Morris
Sibling · 1940 · age 1
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 — Wabash-County, Illinois
Open full size
1940 US Federal Census — Wabash-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00900-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bruce D. Barker | 2 | Son | — | Illinois |
| 42 | Alonzo Nightingale | 81 | Head | W.P.A. | Illinois |
| 43 | Dixie B. Nightingale | 12 | Daughter | — | Illinois |
| 44 | Jean Nightingale | 10 | Daughter | — | Illinois |
| 45 | Howard Turner | 52 | Head | Brakeman | Illinois |
| 46 | Pearl Turner | 49 | Wife | — | Indiana |
| 47 | Clarence Turner | 20 | Son | Clerk | Illinois |
| 48 | Leonard Turner | 18 | Son | — | Illinois |
| 49 | Emma Jane Turner | 16 | Daughter | — | Illinois |
| 50 | Harry Hale | 27 | Head | Clerk | Indiana |
| 51 | Irene Hale | 24 | Wife | Inspector | Indiana |
| 52 | Ronald Hale | 4 | Son | — | Illinois |
| 53 | Donald Hale | 1 | Son | — | Illinois |
| 54 | Roscoe G. Willard | 50 | Head | — | Tennessee |
| 55 | Alberta Willard | 26 | Wife | Coil Worker | Illinois |
| 56 | Kenneth Boser | 20 | Son-in-law | Machinist | Illinois |
| 57 | Mary Boser | 19 | Wife | — | Illinois |
| 58 | — | None | — | — | — |
| 59 | Inez C. Kirsch | 53 | Head | Machine Girl | Indiana |
| 60 | John H. Kirsch | 27 | Son | Finance Clerk | Indiana |
| 61 | Emma J. Westerfield | 69 | Head | — | Indiana |
| 62 | James Westerfield | 32 | Son | Machinist | Arkansas |
| 63 | Murrill Westerfield | 27 | Wife | Winder | Illinois |
| 64 | Elmer Westerfield | 5 | Son | — | Illinois |
| 65 | Elizabeth Porter | 60 | Non-Resident | — | Kentucky |
| 66 | Robert G. Pruitt | 30 | Head | Mechanic | Missouri |
| 67 | Helen Pruitt | 30 | Wife | — | Illinois |
| 68 | Jean M. Pruitt | 9 | Daughter | — | Missouri |
| 69 | Mary K. Pruitt | 7 | Daughter | — | Illinois |
| 70 | Lawrence Pruitt | 24 | Brother | — | Missouri |
| 71 | John Martin | 64 | Father-in-law | Watchman | Illinois |
| 72 | Frank D. Campbell | 43 | Head | Laborer | Illinois |
| 73 | Blanch Campbell | 44 | Wife | — | Illinois |
| 74 | Frank Jr. Campbell THIS PERSON | 21 | Son | Laborer | Illinois |
| 75 | Arthur Campbell | 18 | Son | Laborer | Illinois |
| 76 | Robert Morris | 23 | Son-in-law | Laborer | Illinois |
| 77 | Dorothy Morris | 20 | Wife | — | Illinois |
| 78 | Anita Morris | 1 | Daughter | — | Illinois |
| 79 | William Sexton | 61 | Head | — | Indiana |
| 80 | Ella Sexton | 62 | Wife | Hand Sewer | Indiana |
Pedigree Summary
Frank + 2 siblings
Gen 1 · 4 parents
~0.81
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)