HW
Harold Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Harold Wilson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Minnie & Edward — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Wilson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford Twp |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Machine operator |
| Industry | Hardware manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machine Operator |
| Township / Ward | Rockford Twp |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Roy Wilson | Head | — | 52 | ~1888 |
| Stanley Wilson | Son | — | 26 | ~1914 |
| Harold Wilson | Son | — | 21 | ~1919 |
| Minnie Wilson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Winnebago, Illinois
Son, age 3
Winnebago, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 |
1930
Winnebago, Illinois
Son, age 12
Winnebago, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Harold M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Paper Carrier |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Son, age 21
Winnebago-County, Illinois · implied b. ~1919 — 4 household members
| Surname | Wilson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford Twp |
| 1935 Residence (County) | Winnebago |
| Occupation | Machine operator |
| Industry | Hardware manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 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 Harold Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Wilson (~0.92 confidence) and father Edward Wilson (~0.92 confidence) and father Roy Wilson (~0.92 confidence) and father Thomas Wilson (~0.92 confidence) and mother Marjorie Wilson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Minnie Wilson
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Edward Wilson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Roy Wilson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Thomas Wilson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Marjorie Wilson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Wilson
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Stanley Wilson
Sibling · 1940 · age 26
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00915-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy Wilson | 52 | Head | Custodian | Illinois |
| 2 | Minnie Wilson | 53 | Wife | — | Kansas |
| 3 | Stanley Wilson | 26 | Son | School Teacher + Coach | Illinois |
| 4 | Harold Wilson THIS PERSON | 21 | Son | Machine Operator | Illinois |
| 5 | Howard Manning | 22 | Head | Machine Operator | Illinois |
| 6 | Lois Manning | 21 | Wife | — | Wisconsin |
| 7 | Ronald Manning | 2 | Son | — | Wisconsin |
| 8 | John Arendt | 37 | Head | — | Indiana |
| 9 | Grace Arendt | 30 | Wife | — | Indiana |
| 10 | Joan Arendt | 3 | Daughter | — | Illinois |
| 11 | Ralph Arendt | 0 | Son | — | Illinois |
| 12 | Anna Nordman | 25 | Head | Owner | Lithuania |
| 13 | Albert Nordman | 30 | Brother in law | Clerk | Illinois |
| 14 | Walter Luecke | 29 | Brother in law | Clerk | Illinois |
| 15 | Magdalen Luecke | 23 | Sister | Clerk | Minnesota |
| 16 | Marion Foltz | 37 | Head | Housekeeping | Illinois |
| 17 | Marion Foltz | 17 | Daughter | — | Illinois |
| 18 | Robert Foltz | 10 | Son | — | Illinois |
| 19 | Catherine Foltz | 11 | Daughter | — | Illinois |
| 20 | Harry Ward | 43 | Lodger | Labor | Illinois |
| 21 | Emilio Cicchetti | 44 | Head | Coupling Clerk | Italy |
| 22 | Mary Cicchetti | 44 | Wife | — | Italy |
| 23 | Vito Cicchetti | 21 | Son | Grinding | Illinois |
| 24 | Tony Cicchetti | 23 | Son | General Worker | Illinois |
| 25 | Rosalie Cicchetti | 19 | Daughter in law | General Worker | Indiana |
| 26 | Vito Addotto | 79 | Father in law | — | Italy |
| 27 | Frank Klein | 44 | Head | Truck Driver | Wisconsin |
| 28 | Myrtle Klein | 42 | Wife | — | Illinois |
| 29 | Margaret Klein | 20 | Daughter | Machine Operator | Illinois |
| 30 | Alice Klein | 14 | Daughter | — | Illinois |
| 31 | Charles Peterson | 78 | Head | — | Sweden |
| 32 | Minnie Peterson | 76 | Wife | — | Sweden |
| 33 | Edward Van Keulen | 29 | Head | Labor | Wisconsin |
| 34 | Hazel Van Keulen | 23 | Wife | — | Ohio |
| 35 | Joyce Van Keulen | 5 | Daughter | — | Illinois |
| 36 | Sally Ann Van Keulen | 3 | Daughter | — | Illinois |
| 37 | Kay Francis Van Keulen | 2 | Daughter | — | Illinois |
| 38 | Edward James Van Keulen | 1 | Son | — | Illinois |
| 39 | Harold Devries | 23 | Head | Polisher | Illinois |
| 40 | Ella Devries | 22 | Wife | — | Mississippi |
Pedigree Summary
Harold + 1 sibling
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)