WG
William Gilbert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this William Gilbert across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents Jesse & Bertha — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Gilbert |
| Given Name | William R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign City |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Salesman |
| Industry | Dec. |
| Class of Worker | PW |
| Income (1939) | 392 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Champaign 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Jesse Gilbert | Head | — | 55 | ~1885 |
| Jesse Gilbert | Son | — | 17 | ~1923 |
| Owen Gilbert | Son | — | 23 | ~1917 |
| William Gilbert | Son | — | 21 | ~1919 |
| Bertha Gilbert | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Champaign, Illinois
Son, age 1
Champaign, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Son, age 11
Champaign, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilbert |
| Given Name | William |
| 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
Champaign-County, Illinois
Son, age 21
Champaign-County, Illinois · implied b. ~1919 — 5 household members
| Surname | Gilbert |
| Given Name | William R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign City |
| 1935 Residence (County) | Champaign |
| Occupation | Salesman |
| Industry | Dec. |
| Class of Worker | PW |
| Income (1939) | 392 |
| Highest Grade | C 1 |
| 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 William Gilbert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jesse Gilbert (~0.92 confidence) and mother Bertha Gilbert (~0.92 confidence) and mother Dorotha Gilbert (~0.92 confidence) and mother Letha Gilbert (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jesse Gilbert
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Bertha Gilbert
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Dorotha Gilbert
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Letha Gilbert
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gilbert
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Owen Gilbert
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse Gilbert
Sibling · 1940 · age 17
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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David R. Davis | 23 | Son | Laborer | Illinois |
| 2 | John Mcdonald | 74 | head | — | Illinois |
| 3 | Mary A. Mcdonald | 71 | wife | — | Illinois |
| 4 | Margaret Mcdonald | 32 | daughter | Secretary | Illinois |
| 5 | Hugo A. Walk | 49 | head | Supt Of Mails | Illinois |
| 6 | Clara C. Walk | 49 | wife | — | Illinois |
| 7 | Hugh J. Walk | 20 | son | — | Illinois |
| 8 | Odin Mckillop | 67 | head | Engineer | Canada |
| 9 | Eva D. Mckillop | 57 | wife | — | Illinois |
| 10 | Archie Mckillop | 35 | son | Brakeman | Illinois |
| 11 | Albert Mckillop | 33 | son | Brakeman | Illinois |
| 12 | Chester Bray | 36 | head | Janitor | Illinois |
| 13 | Clara Mae Bray | 35 | wife | — | Illinois |
| 14 | Eloise Bray | 10 | daughter | — | Illinois |
| 15 | Catherine Gregory | 28 | roomer | Teacher | Illinois |
| 16 | Myrtle Walter | 22 | roomer | Teacher | Illinois |
| 17 | Jesse Gilbert | 55 | head | Engineer | Illinois |
| 18 | Bertha B. Gilbert | 48 | wife | — | Illinois |
| 19 | Owen Gilbert | 23 | son | Helper | Illinois |
| 20 | William R. Gilbert THIS PERSON | 21 | son | Salesman | Illinois |
| 21 | Jesse Jr. Gilbert | 17 | son | — | Illinois |
| 22 | Preston James | 28 | head | — | Missouri |
| 23 | Pauline James | 27 | wife | Saleslady | Missouri |
| 24 | Roy Baker | 54 | head | Salesman | Mo. |
| 25 | Bessie Baker | 49 | wife | — | Illinois |
| 26 | Dorothy Baker | 19 | daughter | Saleslady | Iowa |
| 27 | J. Wallace Cramer | 67 | head | Jeweler | Illinois |
| 28 | Frances Cramer | 70 | wife | — | Illinois |
| 29 | Harriet Cramer | 60 | sister | — | Illinois |
| 30 | Bessie C. Heiser | 55 | sister | — | Illinois |
| 31 | Caroline Duffin | 58 | head | Seamstress | Illinois |
| 32 | Stella Mccurdy | 57 | partner | Laboratory | Illinois |
| 33 | Evelyn June Mccurdy | None | — | — | — |
| 34 | Susan Shirose | 80 | head | — | Illinois |
| 35 | Paul Strong | 39 | head | Linotype Operator | Illinois |
| 36 | Anna Strong | 38 | wife | — | Illinois |
| 37 | Ardith Strong | 14 | daughter | — | Illinois |
| 38 | Patricia Strong | 12 | daughter | — | Illinois |
| 39 | Ruth Strong | 10 | daughter | — | Illinois |
| 40 | Glenn C. Simon | 49 | head | Manager | Iowa |
Pedigree Summary
William + 2 siblings
Gen 1 · 4 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)