WG
William Gilbert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this William Gilbert across the 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Gilbert |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Granite City |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Granite City |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Gilbert | Daughter | — | 20 | ~1920 |
| Mildred Gilbert | Daughter | — | 13 | ~1927 |
| Mary Gilbert | Daughter | — | 4 | ~1936 |
| Lloyd Gilbert | Head | — | 42 | ~1898 |
| Alberta Gilbert | Other | — | 20 | ~1920 |
| Calvin Gilbert | Son | — | 7 | ~1933 |
| Gerald Gilbert | Son | — | 22 | ~1918 |
| William Gilbert | Son | — | 11 | ~1929 |
| Florence Gilbert | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Madison, Illinois
Son, age 2
Madison, Illinois · implied b. ~1928 — 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 | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Son, age 11
Madison-County, Illinois · implied b. ~1929 — 9 household members
| Surname | Gilbert |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Granite City |
| 1935 Residence (County) | Madison |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Gilbert
Son · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Calvin Gilbert
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Gilbert
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Gilbert
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gilbert
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Gilbert
Sibling · 1940 · age 4
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00850-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Blanche Johnson | 44 | Head | Housekeeper | Missouri |
| 42 | Albert S Thompson | 70 | Lodger | Farm Hand | Illinois |
| 43 | Blanche Wilson | 57 | Head | — | Missouri |
| 44 | Sue Wilson | 22 | Daughter | Stenographer | Missouri |
| 45 | Ellen Wilson | 19 | Daughter | Office Work | Missouri |
| 46 | Lester Riggs | 27 | Lodger | Shipper | Kansas |
| 47 | Katherine Patzke | 88 | Head | — | Germany |
| 48 | Katherine Patzke | 53 | Daughter | — | Illinois |
| 49 | William L Daniel | 24 | Head | Catcher | Illinois |
| 50 | Lois Daniel | 22 | Wife | Waitress | Missouri |
| 51 | Henry Reinhardt | 52 | Head | Engineer | Illinois |
| 52 | Ida Reinhardt | 50 | Wife | — | Illinois |
| 53 | Raymond Gibson | 21 | Son | Laborer | Illinois |
| 54 | Ruby Gibson | 21 | Daughter | — | Illinois |
| 55 | Ronald Gibson | 1 | Son | — | Illinois |
| 56 | Cecil Horton | 28 | Head | Cap Blaker | Missouri |
| 57 | Geraldine Horton | 24 | Wife | — | Missouri |
| 58 | James Horton | 2 | Son | — | Missouri |
| 59 | Louis Toepper | 44 | Head | Store Owner | Illinois |
| 60 | Virginia Toepper | 5 | Daughter | — | Illinois |
| 61 | Lloyd Gilbert | 42 | Head | Clerk | Arkansas |
| 62 | Florence Gilbert | 47 | Wife | — | Missouri |
| 63 | Gerald Gilbert | 22 | Son | Handyman | California |
| 64 | Helen Gilbert | 20 | Daughter | — | Illinois |
| 65 | Mildred Gilbert | 13 | Daughter | — | Illinois |
| 66 | William Gilbert THIS PERSON | 11 | Son | — | Illinois |
| 67 | Calvin Gilbert | 7 | Son | — | Illinois |
| 68 | Mary Gilbert | 4 | Daughter | — | Illinois |
| 69 | Homer | 58 | Brother | Foreman | Oklahoma |
| 70 | James | 54 | Brother | Laborer | Oklahoma |
| 71 | Alberta Gilbert | 20 | Niece | — | Illinois |
| 72 | Katie Stickford | 64 | Head | Notary Public | New York |
| 73 | Marie Stickford | 39 | Daughter | Stenographer | Illinois |
| 74 | Eugene Stickford | 30 | Son | Foreman | Illinois |
| 75 | James Little | 66 | Head | Carpenter | Illinois |
| 76 | Olive M Little | 60 | Wife | — | Illinois |
| 77 | Harvey H Green | 62 | Head | Patternmaker | Illinois |
| 78 | Ella H Green | 62 | Wife | — | Illinois |
| 79 | Benjamin Michel | 44 | Head | Salesman | Louisiana |
| 80 | Katherine Michel | 32 | Wife | — | Germany |
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)