WC
Walter Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Missouri
Our Model Tree links this Walter Campbell across the 1920, 1930 and 1940 US Censuses in Greene-County, Missouri (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Missouri |
| Surname | Campbell |
| Given Name | Walter Grant |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Laborer |
| Industry | Packing Co. |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 188 |
| Highest Grade | C-1 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Springfield |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| John Campbell | Head | — | 51 | ~1889 |
| Ruth Campbell | Daughter | — | 12 | ~1928 |
| Mary Campbell | Daughter | — | 22 | ~1918 |
| Walter Campbell | Son | — | 24 | ~1916 |
| John Campbell | Son | — | 20 | ~1920 |
| Minnie Campbell | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Greene, Missouri
Son, age 4
Greene, Missouri · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Greene, Missouri
Son, age 14
Greene, Missouri · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Greene-County, Missouri
Son, age 24
Greene-County, Missouri · implied b. ~1916 — 6 household members
| Surname | Campbell |
| Given Name | Walter Grant |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Greene |
| Occupation | Laborer |
| Industry | Packing Co. |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 188 |
| Highest Grade | C-1 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 John Campbell (~0.92 confidence) and father John Campbell (~0.92 confidence) and father John Campbell (~0.92 confidence) and mother Minnie Campbell (~0.92 confidence) and mother Minnie Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Campbell
b. ~1889
Source father
● Household
· direct · ~0.92
Father
John Campbell
b. ~1889
Source father
● Household
· direct · ~0.92
Father
John Campbell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Minnie Campbell
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Minnie Campbell
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Campbell
Son · 1940 · age 24 · b. ~1916 · Missouri
★ You are viewing this record
Sibling
Ruth Campbell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Campbell
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Campbell
Sibling · 1940 · age 22
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 — Greene-County, Missouri
Open full size
1940 US Federal Census — Greene-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02107-00381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | John Henry Stepp | 34 | Head | Salesman | Missouri |
| 3 | Irene Stepp | 31 | Wife | — | Missouri |
| 4 | Shari Ann Stepp | 2 | Daughter | — | Missouri |
| 5 | W. O. Rose | 49 | Head | Laborer | Missouri |
| 6 | Effie H. Rose | 34 | Wife | Groomer | Missouri |
| 7 | Ida Rose | 23 | Daughter | — | Missouri |
| 8 | Sondra Rose | 5 | Granddaughter | — | Missouri |
| 9 | John Edward Campbell | 51 | Head | Bookkeeper | Missouri |
| 10 | Minnie Campbell | 51 | Wife | — | Missouri |
| 11 | Walter Grant Campbell THIS PERSON | 24 | Son | Laborer | Missouri |
| 12 | Mary Margaret Campbell | 22 | Daughter | Bookkeeper | Missouri |
| 13 | John Edward Campbell | 20 | Son | Delivery Boy | Missouri |
| 14 | Ruth Lucille Campbell | 12 | Daughter | — | Missouri |
| 15 | Ellis Deckard | 26 | Head | Bus Driver | Missouri |
| 16 | Pearl Deckard | 30 | Wife | — | Missouri |
| 17 | Edgar Howard | 34 | Head | Receiving Clerk | Oklahoma |
| 18 | Gladys Howard | 34 | Sister-in-law | Waitress | Missouri |
| 19 | George Elmer Compton | 48 | Head | Electrical Engineer | Missouri |
| 20 | Bertha Compton | 47 | Wife | Dressmaking | Missouri |
| 21 | Brenda Arlene Compton | 19 | Daughter | — | Missouri |
| 22 | Aubrey Compton | 14 | Son | — | Missouri |
| 23 | John Yoakum | 62 | Head | Janitor | Missouri |
| 24 | Bessie Yoakum | 60 | Wife | — | Texas |
| 25 | Lucille Thompson | 50 | Head | — | Missouri |
| 26 | A. A. Drennan | 69 | Head | Watchman | Missouri |
| 27 | Mary Drennan | 37 | Wife | — | Missouri |
| 28 | Morris Sharp | 71 | Head | Laborer | Missouri |
| 29 | Anna Sharp | 59 | Wife | — | Texas |
| 30 | Maude Mcdaniel | 56 | Head | Laundress | Missouri |
| 31 | Felix Busby | 76 | Lodger | — | Missouri |
| 32 | Sylvester Douglas | 61 | Lodger | Washer | Missouri |
| 33 | Darwin Cooper | 46 | Head | Coach Cleaner | Missouri |
| 34 | Jean Boyd | 59 | Head | Porter | Texas |
| 35 | Julia Boyd | 59 | Wife | — | Missouri |
| 36 | Sarah Ellison | 23 | Daughter | Teacher | Missouri |
| 37 | Lizzie Marquard | 52 | Head | — | Tennessee |
| 38 | Beulah Marquard | 22 | Daughter | — | Missouri |
| 39 | Sarah Mason | 69 | Head | — | Missouri |
| 40 | Minnie Anderson | 29 | Head | — | Missouri |
Pedigree Summary
Walter + 3 siblings
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)