WC
Walter Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Walter Campbell across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents Walter & Walter — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Campbell |
| Given Name | Walter Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | office manager |
| Industry | loan co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office Manager |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Sue Campbell | Spouse | — | 59 | ~1881 |
| Walter Campbell | Head | — | 62 | ~1878 |
| Walter Campbell | Son | — | 27 | ~1913 |
Census Appearances
1920
Sangamon, Illinois
Son, age 6
Sangamon, Illinois · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Walter S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Son, age 17
Sangamon, Illinois · implied b. ~1913 — 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 | 17 |
| 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
Sangamon-County, Illinois
Son, age 27
Sangamon-County, Illinois · implied b. ~1913 — 3 household members
| Surname | Campbell |
| Given Name | Walter Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Occupation | office manager |
| Industry | loan co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Walter Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Campbell (~0.92 confidence) and father Walter Campbell (~0.92 confidence) and father Walter Campbell (~0.92 confidence) and mother Sue Campbell (~0.92 confidence) and mother Sue Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Campbell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Walter Campbell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Walter Campbell
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Sue Campbell
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Sue Campbell
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Campbell
Son · 1940 · age 27 · b. ~1913 · Illinois
★ 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00886-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold C. Hunt | 44 | Head | Physician | Iowa |
| 2 | Grace C. Hunt | 36 | Wife | — | Iowa |
| 3 | Betty Jane Hunt | 17 | Daughter | — | Iowa |
| 4 | Helen Virginia Hunt | 16 | Daughter | — | Illinois |
| 5 | Shirley Annette Hunt | 11 | Daughter | — | Illinois |
| 6 | Warren Moyer | 27 | Head | Administrative Assistant | Illinois |
| 7 | Doris Moyer | 23 | Wife | — | Illinois |
| 8 | Walter Campbell | 62 | Head | Salesman | Illinois |
| 9 | Sue Campbell | 59 | Wife | — | Illinois |
| 10 | Walter Jr. Campbell THIS PERSON | 27 | Son | Office Manager | Illinois |
| 11 | Lee V. Halbert | 59 | Head | Dentist | Illinois |
| 12 | Gladys Halbert | 50 | Wife | — | Illinois |
| 13 | Baxter Richardson | 54 | Head | Chief | No. Carolina |
| 14 | Helen Richardson | 46 | Wife | — | Michigan |
| 15 | Baxter Richardson | 18 | Son | — | Illinois |
| 16 | Harry H. Black | 34 | Head | Assistant Sanitary Engineer | Iowa |
| 17 | Thelma Black | 33 | Wife | — | Iowa |
| 18 | Ann Black | 8 | Daughter | — | Illinois |
| 19 | Evelyn Black | 5 | Daughter | — | Illinois |
| 20 | Jean Black | 1 | Daughter | — | Illinois |
| 21 | John Greenleaf | 38 | Head | Insurance Adjuster | Illinois |
| 22 | Julia Greenleaf | 36 | Wife | — | Iowa |
| 23 | John Greenleaf | 7 | Son | — | Illinois |
| 24 | Sandra Greenleaf | 3 | Daughter | — | Illinois |
| 25 | Henry Fishwick | 24 | Head | Partner | Illinois |
| 26 | Stella M. Fishwick | 22 | Wife | — | Illinois |
| 27 | Shelley Gee | 41 | Head | Engineer | Illinois |
| 28 | Ruth Gee | 41 | Wife | — | Illinois |
| 29 | Nancy Gee | 14 | Daughter | — | Illinois |
| 30 | Junius Beger | 41 | Head | Statistician | Illinois |
| 31 | Marie Beger | 39 | Wife | — | Illinois |
| 32 | Elise Beger | 16 | Daughter | — | Illinois |
| 33 | Jacquelyn Beger | 13 | Daughter | — | Illinois |
| 34 | Richard Beger | 10 | Son | — | Illinois |
| 35 | Walter C. Lindgren | 43 | Head | Lawyer | Illinois |
| 36 | Linnie M. Lindgren | 36 | Wife | — | Illinois |
| 37 | Addison Klophel | 33 | Head | Assistant Supervisor | Illinois |
| 38 | Grace Klophel | 29 | Wife | — | Michigan |
| 39 | Mary Klophel | 1 | Daughter | — | Illinois |
| 40 | Herbert J. Taylor | 51 | Head | Letter Carrier | England |
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)