WC
Walter Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Walter Campbell across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Herbert & Herbert — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Aerial Surveyor |
| Industry | Aerial Surveying |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 900 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Aerial Surveyor |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1914 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Amelia Campbell | Spouse | — | 48 | ~1892 |
| Walter Campbell | Son | — | 26 | ~1914 |
| Herbert Campbell | Head | — | 49 | ~1891 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 6
Jefferson, Kentucky · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 16
Jefferson, Kentucky · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 26
Jefferson-County, Kentucky · implied b. ~1914 — 3 household members
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Aerial Surveyor |
| Industry | Aerial Surveying |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 900 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Walter Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Campbell (~0.92 confidence) and father Herbert Campbell (~0.92 confidence) and father Robert Campbell (~0.92 confidence) and mother Amelia Campbell (~0.92 confidence) and mother Amelia Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Campbell
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Herbert Campbell
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Robert Campbell
b. ~1901
Source father
● Household
· direct · ~0.92
Mother
Amelia Campbell
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Amelia Campbell
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Campbell
Son · 1940 · age 26 · b. ~1914 · Kentucky
★ 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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01369-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beulah Smith | 41 | Wife | — | Tennessee |
| 42 | Lottie Smith | 21 | Daughter | — | Tennessee |
| 43 | Louise Smith | 19 | Daughter | — | Tennessee |
| 44 | Albert Boes | 55 | Head | Locomotive Engineer | Kentucky |
| 45 | Mamie Boes | 54 | Wife | — | Kentucky |
| 46 | Mildred Boes | 21 | Daughter | Comptometer Operator | Kentucky |
| 47 | Orville Boes | 19 | Son | — | Kentucky |
| 48 | James Boes | 16 | Son | — | Kentucky |
| 49 | Ruth Boes | 12 | Daughter | — | Kentucky |
| 50 | William Lee | 74 | Head | — | Virginia |
| 51 | Sarah Lee | 68 | Wife | — | Kentucky |
| 52 | William A. Peters | 36 | Head | Machinist Helper | Kentucky |
| 53 | Isabelle Peters | 38 | Wife | — | Kentucky |
| 54 | Rosalie Peters | 10 | Daughter | — | Kentucky |
| 55 | Laura Louise Peters | 8 | Daughter | — | Kentucky |
| 56 | Clarence Cloyd | 42 | Head | Locomotive Engineer | Kentucky |
| 57 | Ruth Edward Cloyd | 39 | Wife | — | Kentucky |
| 58 | Walter Lee Cloyd | 18 | Son | — | Kentucky |
| 59 | Herbert F. Campbell | 49 | Head | Locomotive Engineer | Kentucky |
| 60 | Amelia Campbell | 48 | Wife | — | Kentucky |
| 61 | Walter Campbell THIS PERSON | 26 | Son | Aerial Surveyor | Kentucky |
| 62 | Thomas Elrod | 47 | Head | — | Kentucky |
| 63 | Nell Elrod | 47 | Wife | — | Kentucky |
| 64 | Marjorie Elrod | 19 | Daughter | Interviewer | Kentucky |
| 65 | Thelma Elrod | 13 | Daughter | — | Kentucky |
| 66 | Virginia Farmer | 23 | Daughter | Bookkeeper | Kentucky |
| 67 | Fred J. Rappoccio | 48 | Head | Boilermaker | Kentucky |
| 68 | Rose Rappoccio | 50 | Wife | — | Kentucky |
| 69 | Fred A. Rappoccio | 25 | Son | Office Clerk | Kentucky |
| 70 | Elijah Lewis | 29 | Head | Manager | Kentucky |
| 71 | Mary Lou Lewis | 28 | Wife | — | Kentucky |
| 72 | Eldine Lewis | 3 | Daughter | — | Kentucky |
| 73 | Billy Haines Lewis | 1 | Son | — | Kentucky |
| 74 | George Livingston | 49 | Head | Trainman | Tennessee |
| 75 | Eva Livingston | 49 | Wife | — | Tennessee |
| 76 | Richard Sampson | 30 | Head | Shipping Clerk | Tennessee |
| 77 | Mary Sampson | 26 | Wife | Office Manager | Tennessee |
| 78 | William E. Garritt | 59 | Head | Freight Conductor | Kentucky |
| 79 | Julia Garritt | 55 | Wife | — | Kentucky |
| 80 | Anna May Garritt | 22 | Daughter | Seamstress | Kentucky |
Pedigree Summary
Walter
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)