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Mary Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buffalo-County, Nebraska
Our Model Tree links this Mary Lambert across the 1930 and 1940 US Censuses in Buffalo-County, Nebraska (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buffalo-County, Nebraska |
| Surname | Lambert |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Buffalo |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | New Worker |
| Township / Ward | Center Precinct |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lambert | Daughter | — | 14 | ~1926 |
| Lois Lambert | Daughter | — | 3 | ~1937 |
| Anna Lambert | Daughter | — | 18 | ~1922 |
| Myrna Lambert | Daughter | — | 5 | ~1935 |
| Audrey Lambert | Daughter | — | 1 | ~1939 |
| George Lambert | Head | — | 59 | ~1881 |
| Jerry Lambert | Son | — | 10 | ~1930 |
| Stanley Lambert | Son | — | 8 | ~1932 |
| Steven Lambert | Son | — | 22 | ~1918 |
| Cecelia Lambert | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Buffalo, Nebraska
Daughter, age 4
Buffalo, Nebraska · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Buffalo-County, Nebraska
Daughter, age 14
Buffalo-County, Nebraska · implied b. ~1926 — 10 household members
| Surname | Lambert |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Buffalo |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Nebraska |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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
Daughter · 1940 · age 14 · b. ~1926 · Nebraska
★ You are viewing this record
Sibling
Myrna Lambert
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Lambert
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Lambert
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Steven Lambert
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Lambert
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Lambert
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Lambert
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Buffalo-County, Nebraska
Open full size
1940 US Federal Census — Buffalo-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02238-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cecelia Gonzales | 27 | Daughter | Farm Helper | Mexico |
| 42 | Jose Gonzales | 15 | Son | — | Texas |
| 43 | John Putman | 52 | Head | Farmer | Nebraska |
| 44 | George Lambert | 59 | Head | Farmer | Illinois |
| 45 | Cecelia Lambert | 42 | Wife | — | Nebraska |
| 46 | Steven Lambert | 22 | Son | Section Hand | Nebraska |
| 47 | Anna Mae Lambert | 18 | Daughter | New Worker | Nebraska |
| 48 | Mary Jane Lambert THIS PERSON | 14 | Daughter | New Worker | Nebraska |
| 49 | Jerry Lambert | 10 | Son | — | Nebraska |
| 50 | Stanley Lambert | 8 | Son | — | Nebraska |
| 51 | Myrna Lambert | 5 | Daughter | — | Nebraska |
| 52 | Lois Lambert | 3 | Daughter | — | Nebraska |
| 53 | Audrey Lambert | 1 | Daughter | — | Nebraska |
| 54 | Everett Thoms | 53 | Head | Farmer | Illinois |
| 55 | Florence Thoms | 50 | Wife | — | Nebraska |
| 56 | B. Wayne Thoms | 18 | Son | Laying Rock | Nebraska |
| 57 | Charlotte Thoms | 17 | Daughter | New Worker | Nebraska |
| 58 | Ellen Thoms | 15 | Daughter | New Worker | Nebraska |
| 59 | Roger Thoms | 13 | Son | — | Nebraska |
| 60 | James Thoms | 1 | Daughter | — | Nebraska |
| 61 | John Zelek | 37 | Head | Farmer | Nebraska |
| 62 | Thomas Murray | 64 | Head | Farmer | Missouri |
| 63 | Nettie Murray | 54 | Wife | — | Nebraska |
| 64 | Shirley Mae Murray | 13 | Daughter | — | Nebraska |
| 65 | Vera Boydston | 14 | Granddaughter | — | Nebraska |
| 66 | Harry Hasbrouck | 27 | Head | Forest Guard | Nebraska |
| 67 | Velma Hasbrouck | 23 | Wife | — | Nebraska |
| 68 | Josephine Hasbrouck | 5 | Daughter | — | Nebraska |
| 69 | Cynthia Hasbrouck | 4 | Daughter | — | Nebraska |
| 70 | Garnett Hasbrouck | 2 | Daughter | — | Nebraska |
| 71 | Wallace Cook | 43 | Head | — | Iowa |
| 72 | Clara Cook | 25 | Wife | — | Nebraska |
| 73 | Betty Lou Cook | 8 | Daughter | — | Nebraska |
| 74 | Donald Mills Cook | 6 | Son | — | Nebraska |
| 75 | Wandine Joyce Cook | 4 | Daughter | — | Nebraska |
| 76 | Lyle Leroy Cook | 2 | Son | — | Nebraska |
| 77 | Harold Cook | 37 | Son | Laborer | Nebraska |
| 78 | Ruby Cook | 26 | Wife | Laborer | Nebraska |
| 79 | Arthur Cook | 19 | Grandson | — | Nebraska |
| 80 | Arthur Webster | 42 | Head | Farmer | Nebraska |
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)