AA
Alvin Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Alvin Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents A & August — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Anderson |
| Given Name | Alvin H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Machine & Tool Factory |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1989 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Draftsman |
| Township / Ward | Rockford |
| Est. Birth Year | ~1908 |
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 Alvin | Age | Birth yr |
|---|---|---|---|---|
| Alvin Anderson | Head | — | 32 | ~1908 |
| Lois Anderson | Spouse | — | 32 | ~1908 |
| Myron Anderson | Son | — | 9 | ~1931 |
Census Appearances
1910
Winnebago, Illinois
Son, age 3
Winnebago, Illinois · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Winnebago, Illinois
Son, age 12
Winnebago, Illinois · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Head, age 22
Winnebago, Illinois · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alvin H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Draftsman |
| Industry | Mill work mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 38.00 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Head, age 32
Winnebago-County, Illinois · implied b. ~1908 — 3 household members
| Surname | Anderson |
| Given Name | Alvin H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Draftsman |
| Industry | Machine & Tool Factory |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1989 |
| 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 Alvin Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father A Anderson (~0.92 confidence) and father August Anderson (~0.92 confidence) and mother Helma Anderson (~0.92 confidence) and mother Selma Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
A Anderson
b. ~1864
Source father
● Household
· direct · ~0.92
Father
August Anderson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Helma Anderson
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Selma Anderson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alvin Anderson
Head · 1940 · age 32 · b. ~1908 · 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-t0627-00913-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Erika Jackson | 67 | Wife | — | Sweden |
| 42 | Clyde J Hakes | 45 | Head | Signpainter | Illinois |
| 43 | Esther M Hakes | 46 | Wife | — | Illinois |
| 44 | Charles J Hakes | 19 | Son | Carrier | Illinois |
| 45 | Harrison R Hakes | 16 | Son | Carrier | Illinois |
| 46 | Robert H Hakes | 14 | Son | — | Illinois |
| 47 | Anna L Hakes | 16 | Daughter | — | Illinois |
| 48 | Virginia R Hakes | 11 | Daughter | — | Illinois |
| 49 | Ruth W Hakes | 6 | Son | — | Illinois |
| 50 | Hannah Johnson | 90 | Head | — | Sweden |
| 51 | Carl Nordstrom | 46 | Head | Laborer | Sweden |
| 52 | Mae Nordstrom | 19 | Daughter | — | Illinois |
| 53 | Albert N Nelson | 51 | Head | County Treasurer | Illinois |
| 54 | Laura C Nelson | 55 | Wife | — | Illinois |
| 55 | Beatrice L Nelson | 25 | Daughter | Teacher | Illinois |
| 56 | Robert N Nelson | 20 | Son | Shipping Clerk | Illinois |
| 57 | Harry R Parson | 26 | Head | Tool & Die Maker | Illinois |
| 58 | Blanche B Parson | 28 | Wife | — | Wisconsin |
| 59 | Oscar S Josephson | 56 | Head | Polisher | Sweden |
| 60 | Anna D Josephson | 50 | Wife | — | Sweden |
| 61 | Alvin H Anderson THIS PERSON | 32 | Head | Draftsman | Illinois |
| 62 | Lois D Anderson | 32 | Wife | — | Illinois |
| 63 | Myron H Anderson | 9 | Son | — | Illinois |
| 64 | Carl G Peterson | 40 | Head | Clerk | Sweden |
| 65 | Astrid M Peterson | 35 | Wife | Bookkeeper | Illinois |
| 66 | Signe B Holm | 63 | Mother-in-law | — | Norway |
| 67 | Mona M Meyers | 46 | Head | Stenographer | Missouri |
| 68 | Ramona M Meyers | 18 | Daughter | Housework | N. Dakota |
| 69 | Paul G Meyers | 15 | Son | — | Iowa |
| 70 | Gust Anderson | 55 | Head | Laborer | Illinois |
| 71 | Tena A Anderson | 53 | Wife | — | Sweden |
| 72 | Arthur R Anderson | 22 | Son | Trucking | Illinois |
| 73 | Perry Anderson | 18 | Son | — | Illinois |
| 74 | Wesley W Anderson | 14 | Son | — | Illinois |
| 75 | George E Bellatoni | 48 | Head | Baker | Illinois |
| 76 | Anna M Bellatoni | 48 | Wife | — | Germany |
| 77 | Gunnar Johnson | 34 | Head | Polisher | Sweden |
| 78 | Margaret Johnson | 34 | Wife | Housework | Illinois |
| 79 | Walter J Lawson | 54 | Head | Proprietor | Illinois |
| 80 | Anna C Lawson | 57 | Wife | — | Sweden |
Pedigree Summary
Alvin
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)