ML
Mary Lambert — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shenandoah-County, Virginia
Our Model Tree links this Mary Lambert across the 1920, 1930 and 1940 US Censuses in Shenandoah-County, Virginia (XGBoost, ~Confirmed), with identified parents George & Beulah — first a daughter (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shenandoah-County, Virginia |
| Surname | Lambert |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Shenandoah |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Law office |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 226 |
| Highest Grade | Hs 4 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Stenographer |
| Township / Ward | Town Of Woodstock |
| Est. Birth Year | ~1915 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lambert | Daughter | — | 25 | ~1915 |
| George Lambert | Head | — | 60 | ~1880 |
| Marvin Lambert | Son | — | 30 | ~1910 |
| Beulah Lambert | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Shenandoah, Virginia
Daughter, age 5
Shenandoah, Virginia · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Shenandoah, Virginia
Daughter, age 15
Shenandoah, Virginia · implied b. ~1915 — 4 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 | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Shenandoah-County, Virginia
Daughter, age 25
Shenandoah-County, Virginia · implied b. ~1915 — 4 household members
| Surname | Lambert |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Shenandoah |
| Occupation | Stenographer |
| Industry | Law office |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 226 |
| Highest Grade | Hs 4 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Lambert (~0.92 confidence) and mother Beulah Lambert (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Lambert
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Beulah Lambert
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lambert
Daughter · 1940 · age 25 · b. ~1915 · Virginia
★ You are viewing this record
Sibling
Marvin Lambert
Sibling · 1940 · age 30
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 — Shenandoah-County, Virginia
Open full size
1940 US Federal Census — Shenandoah-County, Virginia
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04294-00283)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna C. Houchins | 39 | Daughter | Companion | Virginia |
| 42 | Isabel H. Houchins | 32 | Daughter | Laundress | Virginia |
| 43 | Carroll E. Houchins | 33 | Son in law | Watch Maker | Virginia |
| 44 | Mary Jane Houchins | 7 | Grand daughter | — | Virginia |
| 45 | William F. Burch | 71 | Head | — | Virginia |
| 46 | Ella Burch | 66 | Wife | — | Virginia |
| 47 | Annie K. Haun | 72 | Head | Housework - Own | Virginia |
| 48 | Kenny Sheetz | 69 | Head | — | Virginia |
| 49 | Annie P. Miller | 66 | Head | Laundress | Virginia |
| 50 | Willie S. Dudley | 43 | Head | Driver | Virginia |
| 51 | Mary E. Dudley | 34 | Wife | — | Virginia |
| 52 | Raymond Lambert | 32 | Head | Clerk | Virginia |
| 53 | Susie F. Lambert | 36 | Wife | — | Virginia |
| 54 | Charlotte F. Lambert | 13 | Daughter | — | Virginia |
| 55 | Walter R. Good | 45 | Head | Blacksmith | Virginia |
| 56 | Lillie C. Good | 45 | Wife | — | Virginia |
| 57 | Mackie Ellis | 28 | Son in law | Laborer | Virginia |
| 58 | Gladys J. Ellis | 25 | Daughter | — | Virginia |
| 59 | Walter W. Ellis | 3 | Grand son | — | Virginia |
| 60 | Mary Rau | 52 | Sister in law | — | Virginia |
| 61 | William G. Bird | 51 | Head | — | Virginia |
| 62 | Lelia Bird | 50 | Wife | Housework | Virginia |
| 63 | Alfred L. Bird | 15 | Son | — | West Virginia |
| 65 | Bessie F. Boyer | 46 | Head | Seamstress | Virginia |
| 66 | James Lee Boyer | 24 | Son | Bookkeeper | Virginia |
| 67 | Hazel K. Boyer | 22 | Daughter in law | — | Virginia |
| 68 | Cecil M. Newcorn | 33 | Son in law | Band Director | New Jersey |
| 69 | Marie B. Newcorn | 22 | Daughter | — | Virginia |
| 70 | Cecilia Fay Newcorn | 0 | Grand daughter | — | Virginia |
| 71 | George H. Lambert | 60 | Head | Laborer | Virginia |
| 72 | Beulah S. Lambert | 51 | Wife | — | Virginia |
| 73 | Marvin E. Lambert | 30 | Son | New Worker | Virginia |
| 74 | Mary E. Lambert THIS PERSON | 25 | Daughter | Stenographer | Virginia |
| 75 | Thomas H. Fravel | 59 | Head | Interior Decorator | Virginia |
| 76 | Carey F. Fravel | 58 | Wife | — | Virginia |
| 77 | Charles M. Fravel | 23 | Son | Assistant To | Virginia |
| 78 | Thomas H. Jr. Fravel | 19 | Son | Clerk | Virginia |
| 79 | Susan S. Konutz | 57 | Cousin | Dietician | Virginia |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)