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Martha Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Martha Anderson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 6-person household.
Age 51
b. ~1889
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | maintainer |
| Highest Grade | 0 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Maintainer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1889 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Anderson | Daughter | — | 16 | ~1924 |
| Marion Anderson | Daughter | — | 2 | ~1938 |
| Carl Anderson | Head | — | 52 | ~1888 |
| Kenneth Anderson | Son | — | 20 | ~1920 |
| Carl Anderson | Son | — | 23 | ~1917 |
| Martha Anderson | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Cook, Illinois
Spouse, age 30
Cook, Illinois · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1907 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | norway |
1930
Cook, Illinois
Other, age 41
Cook, Illinois · implied b. ~1889 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 21 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Cook-County, Illinois
Spouse, age 51
Cook-County, Illinois · implied b. ~1889 — 6 household members
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | maintainer |
| Highest Grade | 0 |
| 1935 Residence | Same place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Martha Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Anderson
Spouse · 1940 · age 51 · b. ~1889 · 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-t0627-00942-00653)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Krueger | 45 | wife | Assembling | Illinois |
| 42 | Herbert Woodruff | 60 | head | Engineer | Missouri |
| 43 | Marie Woodruff | 39 | wife | Stationary | Indiana |
| 44 | Herbert A. Feldt | 39 | head | Engineer | Illinois |
| 45 | Edna Feldt | 35 | wife | — | Illinois |
| 46 | Lavergne Feldt | 15 | daughter | — | Illinois |
| 47 | Elaine Feldt | 8 | daughter | — | Illinois |
| 48 | Evelyn Feldt | 5 | daughter | — | Illinois |
| 49 | Richard Feldt | 1 | son | — | Illinois |
| 50 | Anna Feldt | 63 | mother | — | Germany |
| 51 | Herman Paal | 49 | cousin | Mill Wright | Germany |
| 52 | Ernest Thompson | 42 | head | Switchman | Illinois |
| 53 | Ella Thompson | 33 | wife | — | Illinois |
| 54 | James Thompson | 14 | son | — | Illinois |
| 55 | Marion Thompson | 14 | daughter | — | Illinois |
| 56 | Frank C. Bacon | 45 | head | Switchman | Illinois |
| 57 | Lucilla Bacon | 39 | wife | — | Illinois |
| 58 | Fred Bacon | 23 | son | Salesman | Illinois |
| 59 | Charles Bacon | 21 | son | Laborer | Illinois |
| 60 | Eugene Bacon | 19 | son | — | Illinois |
| 61 | Esther Bacon | 17 | daughter | — | Illinois |
| 62 | Alice Bacon | 14 | daughter | — | Indiana |
| 63 | Carleane Bacon | 11 | daughter | — | Indiana |
| 64 | Fred C. Carlson | 49 | head | Helper | Illinois |
| 65 | Theresa Carlson | 36 | wife | — | Illinois |
| 66 | Mildred Carlson | 16 | daughter | — | Illinois |
| 67 | Dorothy Carlson | 13 | daughter | — | Illinois |
| 68 | Fred Jr. Carlson | 10 | son | — | Illinois |
| 69 | Robert Carlson | 5 | son | — | Illinois |
| 70 | Glenn Overland | 39 | head | Second Helper | Illinois |
| 71 | Hilda Overland | 51 | mother | — | Illinois |
| 72 | Charlotte Peterson | 71 | mother | — | Sweden |
| 73 | Carl Anderson | 52 | head | First Helper | Sweden |
| 74 | Martha Anderson THIS PERSON | 51 | wife | Maintainer | Norway |
| 75 | Carl Jr. Anderson | 23 | son | Man | Illinois |
| 76 | Kenneth Anderson | 20 | son | Packer | Illinois |
| 77 | Dorothy Anderson | 16 | daughter | — | Illinois |
| 78 | Marion Anderson | 2 | daughter | — | Illinois |
| 79 | John Mroz | 45 | head | Machine Operator | Austria |
| 80 | Olga Mroz | 36 | wife | — | Austria |
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)