DA
David Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this David Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | BLUE ISLAND |
| 1935 Residence (County) | COOK |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Boiler Maker |
| Industry | Brick Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3042 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Boiler Maker |
| Township / Ward | Blue Island |
| Est. Birth Year | ~1884 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Dagmar Anderson | Daughter | — | 32 | ~1908 |
| David Anderson | Head | — | 56 | ~1884 |
| Ragnar Anderson | Son | — | 30 | ~1910 |
| Gerda Anderson | Spouse | — | 72 | ~1868 |
Census Appearances
1910
Cook, Illinois
Head, age 27
Cook, Illinois · implied b. ~1883 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 3 |
| Year of Immigration | 1902 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driver |
| Industry | Laundry |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Cook, Illinois
Head, age 36
Cook, Illinois · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Year of Naturalization | 1910 |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Head, age 46
Cook, Illinois · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 22 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Boilermaker |
| Industry | Boiler Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Head, age 56
Cook-County, Illinois · implied b. ~1884 — 4 household members
| Surname | Anderson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | BLUE ISLAND |
| 1935 Residence (County) | COOK |
| Naturalization Status | Naturalized |
| Occupation | Boiler Maker |
| Industry | Brick Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3042 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 David Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Anderson
Head · 1940 · age 56 · b. ~1884 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00774-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucille Canty | 34 | Wife | — | Illinois |
| 2 | Catherine Canty | 10 | Daughter | — | Illinois |
| 3 | Milford Meyer | 40 | Head | Partner | Illinois |
| 4 | Dorothy Meyer | 33 | Wife | — | Illinois |
| 5 | Gordon Meyer | 8 | Son | — | Illinois |
| 6 | Walter Edmunds | 52 | Head | Locomotive Engineer | Illinois |
| 7 | Cecilia Edmunds | 53 | Wife | — | Illinois |
| 8 | Robert Edmunds | 21 | Son | — | Illinois |
| 9 | Howard Edmunds | 17 | Son | Bill Deliverer | Illinois |
| 10 | Gertrude Edmunds | 16 | Daughter | — | Illinois |
| 11 | John G. Mcdonald | 53 | Head | Postal Clerk | Indiana |
| 12 | Clara Mcdonald | 40 | Wife | — | Illinois |
| 13 | Betty Mcdonald | 17 | Daughter | Secretary | Illinois |
| 14 | Alfred Nelson | 44 | Head | Maintenance Man | Sweden |
| 15 | Agnes Nelson | 31 | Wife | — | S. Dakota |
| 16 | Charles Nelson | 8 | Son | — | Illinois |
| 17 | Beverly Nelson | 2 | Daughter | — | Illinois |
| 18 | Raymond P. Nelson | 36 | Head | Insurance Agent | Illinois |
| 19 | Irene Nelson | 27 | Wife | — | Illinois |
| 20 | Raymond Nelson | 4 | Son | — | Illinois |
| 21 | Jeanette Nelson | 7 | Daughter | — | Illinois |
| 22 | John Nelson | 5 | Son | — | Illinois |
| 23 | Harold W. Mcdermott | 47 | Head | Proprietor | Illinois |
| 24 | Irene Mcdermott | 37 | Wife | — | Illinois |
| 25 | Shirley Mcdermott | 18 | Daughter | New Worker | Illinois |
| 26 | Mary Jean Mcdermott | 16 | Daughter | — | Illinois |
| 27 | Joseph E. Gustafson | 71 | Head | Tailor | Sweden |
| 28 | Anna A. Gustafson | 68 | Wife | — | Iowa |
| 29 | Elsie Gustafson | 32 | Daughter | Teletype | Iowa |
| 30 | Helen Gustafson | 30 | Daughter | Nurse | Iowa |
| 31 | Arthur Gustafson | 28 | Son | Bank Clerk | Iowa |
| 32 | David Anderson THIS PERSON | 56 | Head | Boiler Maker | Sweden |
| 33 | Gerda Anderson | 72 | Wife | — | Sweden |
| 34 | Dagmar Anderson | 32 | Daughter | Stenographer | Illinois |
| 35 | Ragnar Anderson | 30 | Son | Office Clerk | Illinois |
| 36 | Paul G. Donrow | 43 | Head | Principal | Wisconsin |
| 37 | Minnie Donrow | 31 | Wife | — | Illinois |
| 38 | Frederick Donrow | 13 | Son | — | Illinois |
| 39 | Ruth Donrow | 12 | Daughter | — | Ohio |
| 40 | Paul Donrow | 10 | Son | — | Ohio |
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)