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Mary Lamb — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, New York
Our Model Tree links this Mary Lamb across the 1920, 1930 and 1940 US Censuses in Madison-County, New York (XGBoost, ~Confirmed), with identified parents Halsey & Grace — first a daughter (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, New York |
| Surname | Lamb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brookfield Town |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Textile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Machine Operator |
| Township / Ward | Brookfield Town |
| Est. Birth Year | ~1914 |
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 Lamb | Daughter | — | 26 | ~1914 |
| Halsey Lamb | Head | — | 59 | ~1881 |
| Grace Lamb | Spouse | — | 58 | ~1882 |
| Tyler Lamb | Son | — | 23 | ~1917 |
Census Appearances
1920
Madison, New …
Daughter, age 6
Madison, New York · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Madison, New …
Daughter, age 16
Madison, New York · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Madison-County, New …
Daughter, age 26
Madison-County, New York · implied b. ~1914 — 4 household members
| Surname | Lamb |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brookfield Town |
| 1935 Residence (County) | Madison |
| Occupation | Machine Operator |
| Industry | Textile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Halsey Lamb (~0.92 confidence) and mother Grace Lamb (~0.92 confidence) and mother Pearl Lamb (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Halsey Lamb
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Grace Lamb
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Pearl Lamb
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lamb
Daughter · 1940 · age 26 · b. ~1914 · New York
★ You are viewing this record
Sibling
Tyler Lamb
Sibling · 1940 · age 23
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 — Madison-County, New York
Open full size
1940 US Federal Census — Madison-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02624-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Halsey Lamb | 59 | Head | Farm Operator | New York |
| 2 | Grace Lamb | 58 | Wife | — | New York |
| 3 | Mary Lamb THIS PERSON | 26 | Daughter | Machine Operator | New York |
| 4 | Tyler Lamb | 23 | Son | Farm Hand | New York |
| 5 | Charles Ellsworth | 61 | Head | Farm Operator | New York |
| 6 | Mary E. Ellsworth | 59 | Wife | — | New York |
| 7 | James Beakley | 43 | Hired Man | Farm Hand | New York |
| 8 | Walter Lee | 18 | Hired Man | Farm Hand | New York |
| 9 | John Williams | 58 | Head | Farm Operator | Wales |
| 10 | Jane Williams | 53 | Wife | — | Wales |
| 11 | Robert Williams | 20 | Son | Cheese Maker | New York |
| 12 | David Williams | 17 | Son | Farm Hand | New York |
| 13 | Willard Williams | 14 | Son | — | New York |
| 14 | Evan Williams | 12 | Son | — | New York |
| 15 | Earl Barrell | 57 | Head | Farm Operator | New York |
| 16 | Lara Barrell | 52 | Wife | — | New York |
| 17 | Claire Barrell | 23 | Son | Bookkeeper | New York |
| 18 | Willard Martin | 31 | Head | Farm Operator | New York |
| 19 | Alice Martin | 30 | Wife | — | New York |
| 20 | Mary Alice Martin | 2 | Daughter | — | New York |
| 21 | John Martin | 1 | Son | — | New York |
| 22 | Florence Wratten | 13 | Step-Daughter | — | New York |
| 23 | Sylvester Wratten | 9 | Step-Son | — | New York |
| 24 | Charlotte Wratten | 8 | Step-Daughter | — | New York |
| 25 | Louis Matteson | 74 | Head | Farm Operator | New York |
| 26 | Edna B. Matteson | 65 | Wife | — | New York |
| 27 | Ralph Burch | 37 | Head | Farm Operator | New York |
| 28 | Laura Burch | 35 | Wife | — | New York |
| 29 | Bessie Thompson | 47 | Lodger | — | New York |
| 30 | Laura Davis | 62 | Head | — | New York |
| 31 | Elizabeth Pugh | 86 | Mother | — | Wales |
| 32 | Arthur Jones | 64 | Head | Painter & Paperhanger | New York |
| 33 | Nellie R. Jones | 53 | Wife | — | New York |
| 34 | William H. Adams | 75 | Head | Farm Operator | New York |
| 35 | Catherine Adams | 62 | Wife | — | New York |
| 36 | Elizabeth E. Davies | 53 | Daughter | Clerk | New York |
| 37 | William E. Lewis | 59 | Nephew | Helper | Colorado |
| 38 | Elbert Z. Mott | 64 | Head | Farm Op | New York |
| 39 | Lela Mott | 60 | Wife | — | New York |
| 40 | Norman Chapman | 64 | Hired Man | Farm Hand | New York |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 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)