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Martha Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bayfield-County, Wisconsin
Our Model Tree links this Martha Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Bayfield-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 3-person household.
Age 82
b. ~1858
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Bayfield-County, Wisconsin |
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Town of Namakagon |
| 1935 Residence (County) | Bayfield |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | G-8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Town Of Namakagon |
| Est. Birth Year | ~1858 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Hulda Anderson | Daughter | — | 55 | ~1885 |
| Martha Anderson | Head | — | 82 | ~1858 |
| Eugene Delf | Other | — | 6 | ~1934 |
Census Appearances
1910
Bayfield, Wisconsin
Spouse, age 55
Bayfield, Wisconsin · implied b. ~1855 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 25 |
| Children Born | 8 |
| Children Living | 7 |
| Year of Immigration | 1888 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Bayfield, Wisconsin
Spouse, age 64
Bayfield, Wisconsin · implied b. ~1856 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1883 |
| 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 | 1894 |
| Birthplace (normalized) | sweden |
1930
Bayfield, Wisconsin
Other, age 75
Bayfield, Wisconsin · implied b. ~1855 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Mother-H |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1878 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Bayfield-County, Wisconsin
Head, age 82
Bayfield-County, Wisconsin · implied b. ~1858 — 3 household members
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Town of Namakagon |
| 1935 Residence (County) | Bayfield |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | G-8 |
| 1935 Residence | Same place |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Anderson
Head · 1940 · age 82 · b. ~1858 · Wisconsin
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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 — Bayfield-County, Wisconsin
Open full size
1940 US Federal Census — Bayfield-County, Wisconsin
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-04458-00305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kyle, Frances Lyle | 57 | Wife | — | Ohio |
| 2 | Willett J. Grey | 68 | Head | — | Wisconsin |
| 3 | Susie M. Grey | 58 | Wife | — | Minnesota |
| 4 | Thorwald M. Bjornson | 58 | Head | Operator | Norway |
| 5 | John Servaty | 72 | Head | Operator | Illinois |
| 6 | Edith Servaty | 69 | Wife | — | Wisconsin |
| 7 | Mark B. Thompson | 68 | Lodger | — | Wisconsin |
| 8 | Fred P. Meyer | 45 | Head | Surveyor | Germany |
| 9 | Lillian M. Meyer | 43 | Wife | — | Wisconsin |
| 10 | Fred G. Meyer | 11 | Son | — | Wisconsin |
| 11 | John B. Meyer | 10 | Son | — | Wisconsin |
| 12 | Roy A. Meyer | 8 | Son | — | Kansas |
| 13 | Mary L. Meyer | 5 | Daughter | — | Wisconsin |
| 14 | Swan J. Bloomquist | 74 | Head | Resort Operator | Sweden |
| 15 | Anna Bloomquist | 70 | Wife | Resort Operator | Wisconsin |
| 16 | Otto M. Hostler | 57 | Hired man | Farm Hand | Switzerland |
| 17 | Martha Anderson THIS PERSON | 82 | Head | — | Sweden |
| 18 | Hulda O. Anderson | 55 | Daughter | Farm Resort Operator | Wisconsin |
| 19 | Eugene Milo Delf | 6 | Grandson | — | Wisconsin |
| 20 | Victor E. O. Anderson | 49 | Head | Farm Operator | Wisconsin |
| 21 | Rose A. Anderson | 44 | Wife | — | Wisconsin |
| 22 | Rosemond E. Anderson | 21 | Daughter | — | Wisconsin |
| 23 | Dean E. Anderson | 16 | Son | — | Wisconsin |
| 24 | Dell J. Anderson | 16 | Son | — | Wisconsin |
| 25 | John J. Junek | 35 | Head | Carpenter | Minnesota |
| 26 | Mabel E. Junek | 36 | Wife | — | Minnesota |
| 27 | Joan D. Junek | 15 | Daughter | — | Wisconsin |
| 28 | Anna M. Junek | 12 | Daughter | — | Wisconsin |
| 29 | Fayetta M. Junek | 7 | Daughter | — | Wisconsin |
| 30 | Head Junek, Frank | None | M | 0 | — |
| 31 | Son Junek, Frank | None | M | Bldg Construction | — |
| 32 | Ward H. Anderson | 42 | Head | Carpenter | Wisconsin |
| 33 | Helga J. Anderson | 42 | Wife | — | Minnesota |
| 34 | W. Thomas Larson | 36 | Head | Laborer | Wisconsin |
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)