JW
James Webster — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grundy-County, Illinois
Our Model Tree links this James Webster across the 1930 and 1940 US Censuses in Grundy-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grundy-County, Illinois |
| Surname | Webster |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Marseilles |
| 1935 Residence (County) | La Salle |
| Additional Details | |
| Hours Worked | 4 |
| Highest Grade | 3 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | So Wilmington |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Wayne Webster | Son | — | 11 | ~1929 |
| Rose Webster | Spouse | — | 39 | ~1901 |
| Arlene Webster | Daughter | — | 2 | ~1938 |
| James Webster | Son | — | 10 | ~1930 |
| Eldon Webster | Son | — | 14 | ~1926 |
| Rosemary Webster | Daughter | — | 4 | ~1936 |
| Clifford Webster | Head | — | 43 | ~1897 |
Census Appearances
1930
Grundy, Illinois
Son, age
Grundy, Illinois · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Webster |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Grundy-County, Illinois
Son, age 10
Grundy-County, Illinois · implied b. ~1930 — 7 household members
| Surname | Webster |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Marseilles |
| 1935 Residence (County) | La Salle |
| Hours Worked | 4 |
| Highest Grade | 3 |
| 1935 Residence | Illinois |
| 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 James Webster across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Webster
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Rosemary Webster
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlene Webster
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eldon Webster
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Webster
Sibling · 1940 · age 11
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 — Grundy-County, Illinois
Open full size
1940 US Federal Census — Grundy-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00809-00204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Viola Domagala | 7 | daughter | — | Illinois |
| 2 | Irene Domagala | 4 | daughter | — | Illinois |
| 3 | Louise Magdziasz | 43 | Head | — | Poland |
| 4 | Bernice Magdziasz | 35 | daughter | — | Illinois |
| 5 | Michael Domagala | 50 | head | Labourer | Illinois |
| 6 | Alice Domagala | 25 | wife | — | Kansas |
| 7 | Dorothy Domagala | 1 | daughter | — | Illinois |
| 8 | Clifford Webster | 43 | head | Farm Hand | Illinois |
| 9 | Rose Webster | 39 | wife | — | Illinois |
| 10 | Eldon Webster | 14 | son | — | Illinois |
| 11 | Wayne Webster | 11 | son | — | Illinois |
| 12 | James Webster THIS PERSON | 10 | son | — | Illinois |
| 13 | Rosemary Webster | 4 | daughter | — | Illinois |
| 14 | Arlene Webster | 2 | daughter | — | Illinois |
| 15 | David Holden | 54 | head | — | Illinois |
| 16 | Mary Holden | 51 | wife | — | Illinois |
| 17 | Ruby Holden | 28 | daughter | — | Illinois |
| 18 | Mary Kopusta | 81 | mother-in-law | — | Slovakia |
| 19 | Josephine Sturz | 65 | head | — | Bohemia |
| 20 | Charles Sturz | 28 | son | Laborer | Illinois |
| 21 | Joseph Sturz | 26 | son | Laborer | Illinois |
| 22 | August Stephens | 57 | head | Miner | Slovakia |
| 23 | Louis Stephens | 43 | brother | Laborer | Illinois |
| 24 | Joseph Serena | 46 | head | Driver | Italy |
| 25 | Minnie Serena | 43 | wife | — | Colorado |
| 26 | Joseph Jr. Serena | 18 | son | Presser | Illinois |
| 27 | Martin Serena | 12 | son | — | Illinois |
| 28 | Raymond Serena | 1 | son | — | Illinois |
| 29 | Alexander Benemere | 44 | head | Coal Dealer | Illinois |
| 30 | Mary Benemere | 27 | wife | — | Illinois |
| 31 | Alexander Jr. Benemere | 2 | son | — | Illinois |
| 32 | Gaston Muggareli | 55 | head | Miner | Italy |
| 33 | Esther Muggareli | 55 | wife | — | Italy |
| 34 | Samuel Muggareli | 25 | son | Top Man | Illinois |
| 35 | Lillian Muggareli | 21 | daughter | Maid | Illinois |
| 36 | Alfred Muggareli | 19 | son | — | Illinois |
| 37 | Delores Muggareli | 17 | daughter | — | Illinois |
| 38 | Jerry Muggareli | 15 | son | — | Illinois |
| 39 | Jimmie Muggareli | 5 | son | — | Illinois |
| 40 | Eva Shoudia | 65 | head | — | Lithuania |
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)