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Mary Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ritchie-County, West Virginia
Our Model Tree links this Mary Lambert across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Ritchie-County, West Virginia (XGBoost, ~Confirmed) — first a head (b.~1853), then head of a 2-person household.
Age 87
b. ~1853
Female
Head
Born: West Virginia
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Ritchie-County, West Virginia |
| Surname | Lambert |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 87 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| 1935 Residence (City) | Clay District |
| 1935 Residence (County) | Ritchie |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Clay District |
| Est. Birth Year | ~1853 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Emma Lambert | Daughter | — | 56 | ~1884 |
| Mary Lambert | Head | — | 87 | ~1853 |
Census Appearances
1900
Ritchie, West …
Spouse, age 47
Ritchie, West Virginia · implied b. ~1853 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Birth Month | Mar |
| Birth Year | 1853 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1910
Ritchie, West …
Head, age 57
Ritchie, West Virginia · implied b. ~1853 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| Children Born | 5 |
| Children Living | 5 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1920
Ritchie, West …
Head, age 66
Ritchie, West Virginia · implied b. ~1854
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Lambert |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Ritchie, West …
Head, age 72
Ritchie, West Virginia · implied b. ~1858
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Lambert |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Ritchie-County, West …
Head, age 87
Ritchie-County, West Virginia · implied b. ~1853 — 2 household members
| Surname | Lambert |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 87 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| 1935 Residence (City) | Clay District |
| 1935 Residence (County) | Ritchie |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west 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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lambert
Head · 1940 · age 87 · b. ~1853 · West Virginia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ritchie-County, West Virginia
Open full size
1940 US Federal Census — Ritchie-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04445-00111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leland Minear | 41 | Head | Farmer | West Virginia |
| 42 | Elsie Minear | 34 | Wife | — | West Virginia |
| 43 | Phyllis Jones | 16 | Step-daughter | Maid | West Virginia |
| 44 | Edward Jones | 12 | Step-son | — | West Virginia |
| 45 | Herbert Williamson | 47 | Head | Farmer | West Virginia |
| 46 | Alta Williamson | 31 | Wife | — | West Virginia |
| 47 | Rosabelle Williamson | 15 | Daughter | — | West Virginia |
| 48 | Beatrice Williamson | 12 | Daughter | — | West Virginia |
| 49 | Vesta Lee Williamson | 9 | Daughter | — | West Virginia |
| 50 | Edna Williamson | 5 | Daughter | — | West Virginia |
| 51 | James Williamson | 3 | Son | — | West Virginia |
| 52 | Barbara Williamson | 1 | Daughter | — | West Virginia |
| 53 | Jasper B. Elliott | 63 | Head | Farmer | West Virginia |
| 54 | Dellah Elliott | 54 | Wife | — | West Virginia |
| 55 | Ralph Elliott | 26 | Son | Farmer | West Virginia |
| 56 | Bessie Elliott | 15 | Daughter | — | West Virginia |
| 57 | Mary Lambert THIS PERSON | 87 | Head | — | West Virginia |
| 58 | Emma Lambert | 56 | Daughter | — | West Virginia |
| 59 | Manuel Jones | 39 | Head | Laborer | West Virginia |
| 60 | Elsie Jones | 32 | Wife | — | West Virginia |
| 61 | Kenneth Jones | 12 | Daughter | — | West Virginia |
| 62 | Emerson Jones | 9 | Son | — | West Virginia |
| 63 | Lorraine Jones | 7 | Daughter | — | West Virginia |
| 64 | Ernest Jones | 6 | Son | — | West Virginia |
| 65 | Hilda Jones | 4 | Daughter | — | West Virginia |
| 66 | Shirley Jones | 1 | Daughter | — | West Virginia |
| 67 | Charles Broadwater | 82 | Head | Farmer | West Virginia |
| 68 | Lizzie Broadwater | 68 | Wife | — | West Virginia |
| 69 | Mary Mcmullen | 72 | Lodger | — | West Virginia |
| 70 | Harlie P. Wagner | 30 | Head | Farmer | West Virginia |
| 71 | Nellie Wagner | 28 | Wife | — | West Virginia |
| 72 | Frances Wagner | 10 | Daughter | — | West Virginia |
| 73 | Darrell Wagner | 8 | Son | — | West Virginia |
| 74 | John Wagner | 6 | Son | — | West Virginia |
| 75 | Howard E. Adams | 62 | Head | Farmer | West Virginia |
| 76 | Lena Adams | 61 | Wife | — | West Virginia |
| 77 | Emmet Adams | 29 | Son | Laborer | Pennsylvania |
| 78 | Frankie Adams | 20 | Daughter | — | West Virginia |
| 79 | Frank Smith | 60 | Head | Farmer | West Virginia |
| 80 | Effie Smith | 60 | Wife | — | West Virginia |
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)