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Mary Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rusk-County, Wisconsin
Our Model Tree links this Mary Lambert across the 1930 and 1940 US Censuses in Rusk-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1911), then head of a 9-person household.
Age 29
b. ~1911
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rusk-County, Wisconsin |
| Surname | Lambert |
| Given Name | Mary Jane |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Richland town |
| 1935 Residence (County) | Rusk |
| Additional Details | |
| Occupation | H |
| Industry | S |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | H |
| Township / Ward | Richland Town |
| Est. Birth Year | ~1911 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Arnet Lambert | Daughter | — | ~1940 | |
| Margaret Lambert | Daughter | — | 4 | ~1936 |
| Harriet Lambert | Daughter | — | 6 | ~1934 |
| Eugene Lambert | Head | — | 46 | ~1894 |
| Eugene Lambert | Son | — | 8 | ~1932 |
| Richard Lambert | Son | — | 7 | ~1933 |
| Jeffrey Lambert | Son | — | 2 | ~1938 |
| James Lambert | Son | — | 3 | ~1937 |
| Mary Lambert | Spouse | — | 29 | ~1911 |
Census Appearances
1930
Rusk, Wisconsin
Daughter, age 18
Rusk, Wisconsin · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Canada French |
| Mother's Birthplace | So Dakota |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Rusk-County, Wisconsin
Spouse, age 29
Rusk-County, Wisconsin · implied b. ~1911 — 9 household members
| Surname | Lambert |
| Given Name | Mary Jane |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Richland town |
| 1935 Residence (County) | Rusk |
| Occupation | H |
| Industry | S |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Mary Lambert across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lambert
Spouse · 1940 · age 29 · b. ~1911 · 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 — Rusk-County, Wisconsin
Open full size
1940 US Federal Census — Rusk-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04521-00849)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alva Wilson | 39 | Wife | H | Illinois |
| 2 | Ronald Wilson | 15 | Son | S | Wisconsin |
| 3 | Fred Peterson | 42 | Head | Farmer | South Dakota |
| 4 | Florence Peterson | 36 | Wife | H | Wisconsin |
| 5 | Shirley Peterson | 12 | Daughter | S | Wisconsin |
| 6 | Robert Peterson | 11 | Son | S | Wisconsin |
| 7 | Joyce Anne Peterson | 4 | Daughter | — | Wisconsin |
| 8 | William Ayres | 51 | Head | Farmer | Wisconsin |
| 9 | Carrie Ayres | 39 | Wife | H | Wisconsin |
| 10 | Clarence Collier | 36 | Brother-in-law | Farmer | Wisconsin |
| 11 | Joseph Kruppe | 47 | Head | Farmer | Wisconsin |
| 12 | Olive Kruppe | 31 | Wife | H | Minnesota |
| 13 | Russell Kruppe | 7 | Son | S | Wisconsin |
| 14 | Martin Bergseth | 61 | Father-in-law | Carpenter | Norway |
| 15 | Eugene Lambert | 46 | Head | Farmer | Canada French |
| 16 | Mary Jane Lambert THIS PERSON | 29 | Wife | H | Wisconsin |
| 17 | Eugene Jr. Lambert | 8 | Son | — | Wisconsin |
| 18 | Richard David Lambert | 7 | Son | — | Wisconsin |
| 19 | Harriet Lambert | 6 | Daughter | — | Wisconsin |
| 20 | Margaret Lambert | 4 | Daughter | — | Wisconsin |
| 21 | James Lambert | 3 | Son | — | Wisconsin |
| 22 | Jeffrey Lambert | 2 | Son | — | Wisconsin |
| 23 | Arnet Lambert | 0 | Daughter | — | Wisconsin |
| 24 | Lorenzo Worth | 72 | Head | Farmer | Wisconsin |
| 25 | Anna Worth | 68 | Wife | H | Wisconsin |
| 26 | Wilbur Keller | 32 | Step Son | Laborer | Wisconsin |
| 27 | Alvin Anderson | 50 | Head | Farmer | Wisconsin |
| 28 | Vera Anderson | 43 | Wife | H | Wisconsin |
| 29 | Gene Anderson | 18 | Son | Laborer | Wisconsin |
| 30 | Elmer Anderson | 15 | Son | S | Wisconsin |
| 31 | Dale Anderson | 9 | Son | S | Wisconsin |
| 32 | Delor Lambert | 50 | Head | Farmer | Canada French |
| 33 | Amelia Lambert | 46 | Wife | H | Canada French |
| 34 | Delor Jr. Lambert | 20 | Son | Laborer | Wisconsin |
| 35 | Paul Rufus Lambert | 17 | Son | Laborer | Wisconsin |
| 36 | Dorothy Lambert | 15 | Daughter | S | Wisconsin |
| 37 | Darlite Lambert | 11 | Daughter | S | Wisconsin |
| 38 | Dale Lambert | 6 | Son | S | Wisconsin |
| 39 | Clarence Donaldson | 69 | Head | Farmer | Illinois |
| 40 | Cora Donaldson | 50 | Wife | H | Maryland |
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)