LA
Lois Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Lois Anderson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Peter & Andrew — first a daughter (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Anderson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Area South of Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | County Clerk |
| Industry | 5 + 10 Cent Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | County Clerk |
| Township / Ward | Area South Of Rockford |
| Est. Birth Year | ~1914 |
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 Lois | Age | Birth yr |
|---|---|---|---|---|
| Lois Anderson | Daughter | — | 26 | ~1914 |
| Andrew Anderson | Head | — | 59 | ~1881 |
| Beatrice Anderson | Daughter | — | 23 | ~1917 |
| Lloyd Anderson | Son | — | 14 | ~1926 |
| Ella Anderson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Winnebago, Illinois
Daughter, age 6
Winnebago, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Daughter, age 16
Winnebago, Illinois · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 26
Winnebago-County, Illinois · implied b. ~1914 — 5 household members
| Surname | Anderson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Area South of Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | County Clerk |
| Industry | 5 + 10 Cent Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Lois Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Anderson (~0.92 confidence) and father Andrew Anderson (~0.92 confidence) and father Axel Anderson (~0.92 confidence) and mother Tella Anderson (~0.92 confidence) and mother Ella Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Anderson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Andrew Anderson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Axel Anderson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Tella Anderson
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ella Anderson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lois Anderson
Daughter · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Lloyd Anderson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Anderson
Sibling · 1940 · age 23
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-t0627-00915-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgia Homer | 56 | Wife | — | Georgia |
| 2 | Adolph Kowell | 33 | Head | Civil Engineer | Illinois |
| 3 | Henrietta Kowell | 28 | Wife | Waitress | Illinois |
| 4 | Don Kowell | 5 | Son | — | Illinois |
| 5 | Simon Kowell | 34 | Brother | Veneer | Illinois |
| 6 | Martin Wahlgren | 32 | Head | Finisher | Sweden |
| 7 | Astrid Wahlgren | 32 | Wife | — | Sweden |
| 8 | Ronald Wahlgren | 11 | Son | — | Illinois |
| 9 | Gordon Wahlgren | 9 | Son | — | Illinois |
| 10 | Roger Wahlgren | 7 | Son | — | Illinois |
| 11 | Ragner Wahlgren | 4 | Son | — | Illinois |
| 12 | Larry Wahlgren | 2 | Son | — | Illinois |
| 13 | John Marino | 40 | Head | Inspector | Italy |
| 14 | Mary Lucille Marino | 32 | Wife | — | Illinois |
| 15 | Joan Marie Marino | 5 | Daughter | — | Illinois |
| 16 | John F. Jr. Marino | 1 | Son | — | Illinois |
| 17 | Hilbert Peterson | 34 | Head | Machine Operator | Illinois |
| 18 | Violet Peterson | 29 | Wife | — | Illinois |
| 19 | Gwendolyn Peterson | 5 | Daughter | — | Illinois |
| 20 | Homer Van Doren | 23 | Head | Assembler | Iowa |
| 21 | Mabel Van Doren | 55 | Wife | Sprayer | N. Dakota |
| 22 | Andrew Anderson | 59 | Head | Inspector | Sweden |
| 23 | Ella Anderson | 54 | Wife | — | Sweden |
| 24 | Lois Anderson THIS PERSON | 26 | Daughter | County Clerk | Illinois |
| 25 | Beatrice Anderson | 23 | Daughter | Stenographer | Illinois |
| 26 | Lloyd Anderson | 14 | Son | — | Illinois |
| 27 | Joseph Chorbaghian | 55 | Head | Machine Operator | Macedonia |
| 28 | Margaret Chorbaghian | 55 | Wife | — | Illinois |
| 29 | Joseph Jr. Chorbaghian | 23 | Son | Production Machine | Michigan |
| 30 | Paul E. Chorbaghian | 21 | Son | Machine Operator | Michigan |
| 31 | Lyman Blaisdell | 62 | Head | Setting Up Machine | Wisconsin |
| 32 | Alice Blaisdell | 52 | Wife | — | Wisconsin |
| 33 | Hubert Blaisdell | 22 | Son | Sprayer | Wisconsin |
| 34 | Louise L. Blaisdell | 18 | Son | Sprayer | Illinois |
| 35 | Alex Fandrem | 39 | Head | Machine Operator | Sweden |
| 36 | Alda Fandrem | 34 | Wife | — | Sweden |
| 37 | Edwin Fandrem | 9 | Son | — | Illinois |
| 38 | Violet Fandrem | 11 | Daughter | — | Illinois |
| 39 | Rosalie Ann Fandrem | 3 | Daughter | — | Illinois |
| 40 | Ernie Fandrem | 45 | Brother | Machine Operator | Sweden |
Pedigree Summary
Lois + 2 siblings
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)