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Mary Lamb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Alleghany-County, Virginia
Our Model Tree links this Mary Lamb across the 1930 and 1940 US Censuses in Alleghany-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alleghany-County, Virginia |
| Surname | Lamb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Clearwater Park |
| 1935 Residence (County) | Alleghany |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Clearwater Park |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Lamb | Daughter | — | 13 | ~1927 |
| Carolyn Lamb | Daughter | — | 10 | ~1930 |
| Doris Lamb | Daughter | — | 22 | ~1918 |
| Mary Lamb | Daughter | — | 14 | ~1926 |
| David Lamb | Son | — | 19 | ~1921 |
| Harry Lamb | Son | — | 26 | ~1914 |
| Donald Lamb | Son | — | 22 | ~1918 |
| Maurice Lamb | Head | — | 62 | ~1878 |
| Maurice Lamb | Son | — | 29 | ~1911 |
Census Appearances
1930
Alleghany, Virginia
Daughter, age 4
Alleghany, Virginia · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Maryland |
| Mother's Birthplace | West Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Alleghany-County, Virginia
Daughter, age 14
Alleghany-County, Virginia · implied b. ~1926 — 9 household members
| Surname | Lamb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Clearwater Park |
| 1935 Residence (County) | Alleghany |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Lamb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lamb
Daughter · 1940 · age 14 · b. ~1926 · Virginia
★ You are viewing this record
Sibling
Doris Lamb
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lamb
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Lamb
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Lamb
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lamb
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Lamb
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Lamb
Sibling · 1940 · age 29
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 — Alleghany-County, Virginia
Open full size
1940 US Federal Census — Alleghany-County, Virginia
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04243-00497)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Karnes Crawford | 37 | Head | Dentist | Virginia |
| 42 | Mae Crawford | 33 | Wife | — | Virginia |
| 43 | Edward G. Hirons | 59 | Head | Salesman | Pennsylvania |
| 44 | Minnie N. Hirons | 59 | Wife | — | Virginia |
| 45 | Nelson Leitch | 60 | Head | Dept. Manager | Virginia |
| 46 | Elizabeth Leitch | 60 | Wife | — | Ohio |
| 47 | Isaac C. Wagner | 46 | Head | Dentist | Virginia |
| 48 | Blanche Wagner | 51 | Wife | Organist | Virginia |
| 49 | Isaac Jr. Wagner | 19 | Son | Delivery Boy | Virginia |
| 50 | Jean Wagner | 16 | Daughter | — | Virginia |
| 51 | Maurice Lamb | 62 | Head | Supervisor | Maryland |
| 52 | Doris Lamb | 22 | Daughter | Telephone Operator | Maryland |
| 53 | Maurice Jr. Lamb | 29 | Son | Clerk | Virginia |
| 54 | Donald Lamb | 22 | Son | Paper Tester | Virginia |
| 55 | Mary Lamb THIS PERSON | 14 | Daughter | — | Virginia |
| 56 | David Lamb | 19 | Son | Lunch Clerk | Virginia |
| 57 | Betty Lamb | 13 | Daughter | — | Virginia |
| 58 | Carolyn Lamb | 10 | Daughter | — | Virginia |
| 59 | Harry Lamb | 26 | Son | Paper Finisher | Virginia |
| 60 | J. Paul Harrison | 30 | Head | Fireman | Tennessee |
| 61 | Evelyn Harrison | 26 | Wife | — | Virginia |
| 62 | Paula Harrison | 5 | Daughter | — | Virginia |
| 63 | Mary Ellen Harrison | 3 | Daughter | — | Virginia |
| 64 | Nell Harrison | 1 | Daughter | — | Virginia |
| 65 | Paul Jr. Harrison | 0 | Son | — | Virginia |
| 67 | Dutton Dressler | 50 | Head | Farmer | Virginia |
| 68 | Mary Dressler | 42 | Wife | — | West Virginia |
| 69 | Ira Dressler | 24 | Son | Farm Helper | Virginia |
| 70 | Jane Dressler | 23 | Daughter | — | Virginia |
| 71 | Wallace Dressler | 22 | Son | Laborer | Virginia |
| 72 | Beulah Dressler | 20 | Daughter | Housework | Virginia |
| 73 | John Dressler | 18 | Son | Farm Helper | Virginia |
| 74 | Mildred Dressler | 15 | Daughter | — | Virginia |
| 75 | Mary Emma Dressler | 13 | Daughter | — | Virginia |
| 76 | Robert Dressler | 11 | Son | — | Virginia |
| 77 | Billy Dressler | 9 | Son | — | Virginia |
| 78 | Ellis Dressler | 5 | Son | — | Virginia |
| 79 | Ellie Dressler | 5 | Son | — | Virginia |
| 80 | James Jennings | 38 | Head | Prep Worker | 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)