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William Lamb — 1940 US Census Record
Model Tree available1940 United States Federal Census · Albany-County, New York
Our Model Tree links this William Lamb across the 1920, 1930 and 1940 US Censuses in Albany-County, New York (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Albany-County, New York |
| Surname | Lamb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Colonie Town |
| 1935 Residence (County) | Albany |
| Additional Details | |
| Occupation | Chemist |
| Industry | Refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Chemist |
| Township / Ward | Colonie Town |
| Est. Birth Year | ~1919 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Lamb | Son | — | 21 | ~1919 |
| Mary Lamb | Head | — | 63 | ~1877 |
| Joseph Gleeson | Other | — | 58 | ~1882 |
| Francis Lamb | Son | — | 24 | ~1916 |
Census Appearances
1920
Albany, New …
Son, age 1
Albany, New York · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Albany, New …
Son, age 12
Albany, New York · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Albany-County, New …
Son, age 21
Albany-County, New York · implied b. ~1919 — 4 household members
| Surname | Lamb |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Colonie Town |
| 1935 Residence (County) | Albany |
| Occupation | Chemist |
| Industry | Refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 William Lamb across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Lamb (~0.92 confidence) and mother Mary Lamb (~0.92 confidence) and mother Mary Lamb (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lamb
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Lamb
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Lamb
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Lamb
Son · 1940 · age 21 · b. ~1919 · New York
★ You are viewing this record
Sibling
Francis Lamb
Sibling · 1940 · age 24
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 — Albany-County, New York
Open full size
1940 US Federal Census — Albany-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02457-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Gurnett | 38 | Head | Woodworker | New York |
| 2 | Warren Brewster | 51 | Head | Woodman | New York |
| 3 | Edith Brewster | 47 | Wife | — | New York |
| 4 | Joseph Lait | 41 | Head | Salesman | New York |
| 5 | Inez Lait | 38 | Wife | Technician | Colorado |
| 6 | Charlotte Lait | 14 | Daughter | — | Illinois |
| 7 | Frank Horeleski | 41 | Head | Salesman | New York |
| 8 | Anna Horeleski | 36 | Wife | Presser | New York |
| 9 | James Donovan | 39 | Head | Agent | New York |
| 10 | Ann Donovan | 28 | Wife | — | New York |
| 11 | William Blumm | 32 | Head | Clerk | New York |
| 12 | Margaret Blumm | 32 | Wife | — | New York |
| 13 | Lois Blumm | 1 | Daughter | — | New York |
| 14 | John Tanney | 44 | Head | Truck Driver | Pennsylvania |
| 15 | Mary Tanney | 37 | Wife | — | New York |
| 16 | Mary Lamb | 63 | Head | — | New York |
| 17 | Francis Lamb | 24 | Son | Laborer | New York |
| 18 | William Lamb THIS PERSON | 21 | Son | Chemist | New York |
| 19 | Joseph Gleeson | 58 | Boarder | Laborer | New York |
| 20 | John Lamb | 26 | Head | Plumber | New York |
| 21 | Elizabeth Lamb | 20 | Wife | — | New York |
| 22 | William Messerle | 66 | Head | Farmer | Switzerland |
| 23 | Lena Messerle | 38 | Wife | — | Switzerland |
| 24 | Jacob Messerle | 63 | Brother | Laborer | Switzerland |
| 25 | Godfrey Peter | 45 | Boarder | Florist | Switzerland |
| 26 | John Shutter | 91 | Head | — | New York |
| 27 | Nellie Shutter | 66 | Wife | — | New York |
| 28 | Anthony Welling | 69 | Head | Farmer | Holland |
| 29 | Jeanette Welling | 62 | Wife | — | Holland |
| 30 | Robert Broadbent | 32 | Head | Laborer | New York |
| 31 | Magdalen Broadbent | 35 | Wife | — | New York |
| 32 | William Blumm | 36 | Head | Chauffeur | New York |
| 33 | Olive Blumm | 32 | Wife | Stenographer | New York |
| 34 | William Blumm | 0 | Son | — | New York |
| 35 | Gerald Quinn | 27 | Head | Chemist | New York |
| 36 | Ruth Quinn | 26 | Wife | Secretary | New York |
| 37 | Mary Mcdonald | 55 | Head | Home Economist | Wisconsin |
| 38 | Frank Brown | 54 | Head | Proprietor | New York |
| 39 | Nora Brown | 40 | Wife | — | New York |
| 40 | Noreen Brown | 13 | Daughter | — | New York |
Pedigree Summary
William + 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)