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John Stewart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this John Stewart across the 1910, 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Alanson & Clarence — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Loves Park |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Machinist |
| Industry | Manufacture |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1400 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Loves Park |
| Est. Birth Year | ~1910 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helen Stewart | Daughter | — | 5 | ~1935 |
| John Stewart | Head | — | 30 | ~1910 |
| Dee Stewart | Spouse | — | 25 | ~1915 |
Census Appearances
1910
Winnebago, Illinois
Son, age 1
Winnebago, Illinois · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steward |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Winnebago, Illinois
Son, age 11
Winnebago, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steward |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Son, age 21
Winnebago, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steward |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Nebraska |
| Occupation | Machinist |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Head, age 30
Winnebago-County, Illinois · implied b. ~1910 — 3 household members
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Loves Park |
| 1935 Residence (County) | Winnebago |
| Occupation | Machinist |
| Industry | Manufacture |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1400 |
| Highest Grade | C 5 |
| 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 John Stewart across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alanson Steward (~0.92 confidence) and father Clarence Steward (~0.92 confidence) and father J Steward (~0.92 confidence) and mother Helen Steward (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alanson Steward
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Clarence Steward
b. ~1868
Source father
● Household
· direct · ~0.92
Father
J Steward
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Helen Steward
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Stewart
Head · 1940 · age 30 · b. ~1910 · 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00915-00292)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Coutts | 39 | Head | Metal Polisher | Scotland |
| 42 | Yvonne Coutts | 38 | Wife | — | Illinois |
| 43 | Robert Coutts | 6 | Son | — | Illinois |
| 44 | Mathias S. Motms | Motas | 38 | Head | Truck Driver | Illinois |
| 45 | Alice Motms | Motas | 34 | Wife | — | Wisconsin |
| 46 | Robert Motms | Motas | 8 | Son | — | Wisconsin |
| 47 | Delores Motms | Motas | 8 | Daughter | — | Wisconsin |
| 48 | Doris Motms | Motas | 5 | Daughter | — | Wisconsin |
| 49 | Elvin Motms | Motas | 3 | Son | — | Illinois |
| 50 | Phyllis Motms | Motas | 0 | Daughter | — | Illinois |
| 51 | Frank J. Mohrs | 62 | Head | — | Wisconsin |
| 52 | Helen Mohrs | 57 | Wife | — | Wisconsin |
| 53 | Carl Bishop | 44 | Head | Lathe Hand | Illinois |
| 54 | Dorothy Bishop | 40 | Wife | — | Illinois |
| 55 | Neal Bishop | 9 | Son | — | Illinois |
| 56 | Charles Gudrick | 58 | Head | Truck Driver | New York |
| 57 | Vera Gudrick | 49 | Wife | — | Illinois |
| 58 | Thelma Gudrick | 18 | Daughter | — | Illinois |
| 59 | Roy C. Hamscher | 42 | Head | Printer | Illinois |
| 60 | Gerald Bruning | 28 | Head | Inspector | Illinois |
| 61 | Adeline Bruning | 22 | Wife | — | Illinois |
| 62 | Nadine Bruning | 3 | Daughter | — | Illinois |
| 63 | Joyce Bruning | 1 | Daughter | — | Illinois |
| 64 | Charles Fuller | 64 | Head | — | Illinois |
| 65 | Tonia Fuller | 75 | Wife | — | Illinois |
| 66 | Julius Mijen | Mizen | 38 | Head | Timekeeper | Nebraska |
| 67 | Bessie Mijen | Mizen | 43 | Wife | — | Illinois |
| 68 | Evelyn Mijen | Mizen | 16 | Daughter | — | Illinois |
| 69 | Eva Mijen | Mizen | 6 | Daughter | — | Illinois |
| 70 | William Lea | 65 | Head | — | Illinois |
| 71 | Ira Lea | 59 | Wife | — | Illinois |
| 72 | Kuttie | Ruthie Bird | 84 | Mother-in-law | — | Illinois |
| 73 | Clare Vincent | 56 | Head | Machinist | Illinois |
| 74 | Mable Vincent | 53 | Wife | — | Illinois |
| 75 | Axel W. Fredrickson | 74 | Head | — | Sweden |
| 76 | Tinnie Fredrickson | 64 | Wife | — | Sweden |
| 77 | John Stewart THIS PERSON | 30 | Head | Machinist | Illinois |
| 78 | Dee Stewart | 25 | Wife | — | Norway |
| 79 | Helen Stewart | 5 | Daughter | — | Illinois |
Pedigree Summary
John
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)