LA
Leonard Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Leonard Anderson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Gust & Gust — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford twp |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 960 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Rockford Twp |
| Est. Birth Year | ~1913 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Ruth Anderson | Other | — | 29 | ~1911 |
| Bruce Anderson | Other | — | 1 | ~1939 |
| Hulda Anderson | Spouse | — | 63 | ~1877 |
| Gust Anderson | Head | — | 60 | ~1880 |
| Leonard Anderson | Son | — | 27 | ~1913 |
Census Appearances
1920
Winnebago, Illinois
Son, age 7
Winnebago, Illinois · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Son, age 17
Winnebago, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Son, age 27
Winnebago-County, Illinois · implied b. ~1913 — 5 household members
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford twp |
| 1935 Residence (County) | Winnebago |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 960 |
| 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 Leonard Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gust Anderson (~0.92 confidence) and father Gust Anderson (~0.92 confidence) and father Gust Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gust Anderson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Gust Anderson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Gust Anderson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Anderson
Son · 1940 · age 27 · b. ~1913 · 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
40 people indexed on this census page (nara:1940:m-t0627-00915-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Reinhard Bussey | 43 | Head | Auto Mechanic | Wisconsin |
| 2 | Linnea Bussey | 43 | Wife | — | Illinois |
| 3 | Sterling Bussey | 14 | Son | — | Illinois |
| 4 | Arlene Bussey | 10 | Daughter | — | Illinois |
| 5 | Alan Bussey | 6 | Son | — | Illinois |
| 6 | Edwin Stephenson | 54 | Head | Foreman | England |
| 7 | Mary Stephenson | 55 | Wife | — | England |
| 8 | Evelyn Stephenson | 29 | Daughter | Insurance | Illinois |
| 9 | Wallace Krons | 40 | Head | Sales Work | Illinois |
| 10 | Margaret Krons | 36 | Wife | — | Illinois |
| 11 | David Krons | 9 | Son | — | Illinois |
| 12 | David Fagerstrom | 31 | Head | Carpenter | Minnesota |
| 13 | Bernice Fagerstrom | 30 | Wife | — | Illinois |
| 14 | Hartley Seaburg | 28 | Head | Stock Clerk | Illinois |
| 15 | Myrtle Seaburg | 28 | Wife | Saleswoman | Minnesota |
| 16 | Blyton Gremberg | 31 | Head | Salesman | Illinois |
| 17 | Hildeburg Gremberg | 29 | Wife | — | Sweden |
| 18 | Beatrice Gremberg | 8 | Daughter | — | Illinois |
| 19 | Gust Anderson | 60 | Head | Machine Hand | Sweden |
| 20 | Hulda Anderson | 63 | Wife | — | Sweden |
| 21 | Leonard Anderson THIS PERSON | 27 | Son | Machinist | Illinois |
| 22 | Ruth Anderson | 29 | Daughter-in-law | — | Illinois |
| 23 | Bruce Anderson | 1 | Grandson | — | Illinois |
| 24 | Gunnar Smidt | 45 | Head | Manager | Denmark |
| 25 | Ellen Smidt | 35 | Wife | — | Denmark |
| 26 | Jerry Smidt | 5 | Son | — | Illinois |
| 27 | Donna Smidt | 3 | Daughter | — | Illinois |
| 28 | Marshall Buck | 43 | Head | Property Custodian | Michigan |
| 29 | Martha Buck | 43 | Wife | — | Pennsylvania |
| 30 | Folke Erickson | 37 | Head | Transportation | Illinois |
| 31 | Violet Erickson | 34 | Wife | — | Illinois |
| 32 | Tamery Erickson | 9 | Son | — | Illinois |
| 33 | Enoch Sandahl | 36 | Head | Cabinet Maker | Sweden |
| 34 | Hellen Sandahl | 35 | Wife | — | Sweden |
| 35 | Kenneth Sandahl | 11 | Son | — | Illinois |
| 36 | Leonard Sandahl | 10 | Son | — | Illinois |
| 37 | Marie Sandahl | 9 | Daughter | — | Illinois |
| 38 | Lawrence Sandahl | 6 | Son | — | Illinois |
| 39 | Oscar Anderson | 51 | Head | Superintendent | Norway |
| 40 | Elsie Anderson | 45 | Wife | — | Illinois |
Pedigree Summary
Leonard
Gen 1 · 6 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)