MP
Martha Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · La-Crosse-County, Wisconsin
Our Model Tree links this Martha Peterson across the 1920, 1930 and 1940 US Censuses in La-Crosse-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | La-Crosse-County, Wisconsin |
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Holmen |
| 1935 Residence (County) | La Crosse |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Housework |
| Industry | Own Home |
| Class of Worker | PW |
| Income (1939) | 240 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Housework |
| Township / Ward | Holmen |
| Est. Birth Year | ~1876 |
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 |
|---|---|---|---|---|
| Leslie Amundson | Other | — | 13 | ~1927 |
| Martha Peterson | Spouse | — | 64 | ~1876 |
| Hulda Amundson | Daughter | — | 43 | ~1897 |
| Hans Peterson | Head | — | 71 | ~1869 |
Census Appearances
1920
Waupaca, Wisconsin
Spouse, age 43
Waupaca, Wisconsin · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Norway |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
La Crosse, …
Spouse, age 54
La Crosse, Wisconsin · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Age at First Marriage | 18 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
La-Crosse-County, Wisconsin
Spouse, age 64
La-Crosse-County, Wisconsin · implied b. ~1876 — 4 household members
| Surname | Peterson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Holmen |
| 1935 Residence (County) | La Crosse |
| Naturalization Status | Naturalized |
| Occupation | Housework |
| Industry | Own Home |
| Class of Worker | PW |
| Income (1939) | 240 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Peterson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Peterson
Spouse · 1940 · age 64 · b. ~1876 · 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 — La-Crosse-County, Wisconsin
Open full size
1940 US Federal Census — La-Crosse-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04490-00280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ella Peterson | 57 | Wife | — | Norway |
| 2 | Hans Peterson | 71 | Head | Veterinarian | Norway |
| 3 | Martha Peterson THIS PERSON | 64 | Wife | Housework | Norway |
| 4 | Hulda Amundson | 43 | Daughter | — | Wisconsin |
| 5 | Leslie Amundson | 13 | Grandson | — | Wisconsin |
| 6 | Hilbur Larson | 43 | Head | Laborer | Wisconsin |
| 7 | Margaret Larson | 43 | Wife | — | Wisconsin |
| 8 | Marjorie Larson | 18 | Daughter | — | Wisconsin |
| 9 | Alice Larson | 11 | Daughter | — | Wisconsin |
| 10 | Louise Larson | 5 | Daughter | — | Wisconsin |
| 11 | Jonie Evenson | 45 | Head | Farmer | Wisconsin |
| 12 | Gerald Evenson | 17 | Son | Student | Wisconsin |
| 13 | Constance Evenson | 16 | Daughter | — | Wisconsin |
| 14 | Orlando Evenson | 14 | Son | — | Wisconsin |
| 15 | Lloyd Evenson | 13 | Son | — | Wisconsin |
| 16 | Villa Evenson | 11 | Son | — | Wisconsin |
| 17 | Otto Lindberg | 78 | Head | Cabinet Maker | Norway |
| 18 | Anna Lindberg | 72 | Wife | — | Sweden |
| 19 | Hilda Lindberg | 37 | Daughter | Waitress | Wisconsin |
| 20 | Pierce Alma Lindberg | 35 | Daughter | Waitress | Wisconsin |
| 21 | Babe Lindberg | 17 | Granddaughter | — | Minnesota |
| 22 | Peter Hemmer | 64 | Head | Laborer | Wisconsin |
| 23 | Otto Gilbertson | 42 | Head | Painter | Wisconsin |
| 24 | Eunice Gilbertson | 32 | Wife | Clerk | Wisconsin |
| 25 | La Verne Nerby | 25 | Head | Driver | Wisconsin |
| 26 | Lillian Nerby | 22 | Wife | Printer | Wisconsin |
| 27 | Sanford Nerby | 3 | Son | — | Wisconsin |
| 28 | Alma Nerby | 51 | Head | — | Wisconsin |
| 29 | Sheldon Nerby | 23 | Son | Recreation Aide | Wisconsin |
| 30 | Eugene Nerby | 19 | Son | Attendant | Wisconsin |
| 31 | Olaf A. Sary | 73 | Head | — | Norway |
| 32 | Mary Sary | 65 | Wife | — | Pennsylvania |
| 33 | William Sary | 30 | Son | Waiter | Wisconsin |
| 34 | John Gavin | 62 | Head | Laborer | Wisconsin |
| 35 | Huldah Gavin | 45 | Wife | — | Wisconsin |
| 36 | Evelyn Gavin | 22 | Step-daughter | — | Wisconsin |
| 37 | Agnes Hemmer | 68 | Head | — | Wisconsin |
| 38 | Simon Erickson | 85 | Head | — | Norway |
| 39 | Nettie Erickson | 73 | Wife | — | Norway |
| 40 | Martin Olson | 54 | Head | Patrolman | 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)