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Martha Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Martha Anderson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline city |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Moline City |
| Est. Birth Year | ~1891 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Margaret Anderson | Daughter | — | 20 | ~1920 |
| Alice Anderson | Daughter | — | 28 | ~1912 |
| Bror Anderson | Head | — | 55 | ~1885 |
| Martha Anderson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Rock Island, …
Spouse, age 29
Rock Island, Illinois · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | sweden |
1930
Rock Island, …
Spouse, age 39
Rock Island, Illinois · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 18 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Rock-Island-County, Illinois
Spouse, age 49
Rock-Island-County, Illinois · implied b. ~1891 — 4 household members
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline city |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 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 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 49 · b. ~1891 · 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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00853)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sylvester Christiansen | 26 | Head | Budget Manager | Iowa |
| 2 | Helen D. Christiansen | 25 | Wife | — | Iowa |
| 3 | Roy Heabergen | 46 | Head | Efficiency Engineer | Illinois |
| 4 | Klerchia Heabergen | 45 | Wife | — | Arkansas |
| 5 | John C. Lemberg | 26 | Head | Purchasing Agent | Illinois |
| 6 | Helen A. Lemberg | 22 | Wife | — | Iowa |
| 7 | Harry C. Struckman | 50 | Head | Division Credit Man | Illinois |
| 8 | Helen E. Struckman | 50 | Wife | — | New York |
| 9 | Mary Helen E. Struckman | 40 | Roomer | Teacher | Illinois |
| 10 | John Mccaffery | 66 | Head | Druggist | Illinois |
| 11 | Anna Mccaffery | 67 | Wife | — | Illinois |
| 12 | Francis V. Klatt | 31 | Lodger | — | Illinois |
| 13 | Alvie D. Barkheset | 63 | Head | — | Illinois |
| 14 | Ansel E. Hoover | 33 | Roomer | Clerk | Iowa |
| 15 | Jessie Borkheart | 43 | Head | Trucker | Illinois |
| 16 | Bernice Borkheart | 26 | Wife | — | Illinois |
| 17 | Roger Borkheart | 3 | Son | — | Illinois |
| 18 | Edward Moore | 44 | Head | Molder | Illinois |
| 19 | Violet Moore | 21 | Wife | — | Illinois |
| 20 | Juanita Moore | 2 | Daughter | — | Illinois |
| 21 | Carl Zahn | 52 | Head | Laborer | Illinois |
| 22 | Marie Zahn | 49 | Wife | — | Illinois |
| 23 | Kenneth Hendricks | 31 | Head | Steamfitter | Illinois |
| 24 | Dorothy Hendricks | 29 | Wife | — | Iowa |
| 25 | Kenneth Hartman | 29 | Head | Lathe Operator | Iowa |
| 26 | Leona D. Hartman | 28 | Wife | — | Illinois |
| 27 | Russel Hartman | 4 | Son | — | Illinois |
| 28 | Gunnar Nelson | 38 | Head | Printer | Sweden |
| 29 | Sigrid Nelson | 33 | Wife | — | Sweden |
| 30 | Delores Nelson | 9 | Daughter | — | Illinois |
| 31 | Betty Jane Nelson | 7 | Daughter | — | Illinois |
| 32 | T. H. Robinson | 58 | Head | Salesman | Illinois |
| 33 | Elvira Robinson | 54 | Wife | — | Illinois |
| 34 | Helen Robinson | 29 | Daughter | — | Illinois |
| 35 | Bror Anderson | 55 | Head | Tool Maker | Sweden |
| 36 | Martha Anderson THIS PERSON | 49 | Wife | — | Sweden |
| 37 | Alice Anderson | 28 | Daughter | Stenographer | Illinois |
| 38 | Margaret Anderson | 20 | Daughter | — | Illinois |
| 39 | Jean Day | 43 | Head | Grinder | Kentucky |
| 40 | Hollie D. Day | 35 | Wife | — | Kentucky |
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)