JL
James Lamb — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richmond-County, New York
Our Model Tree links this James Lamb across the 1920, 1930 and 1940 US Censuses in Richmond-County, New York (XGBoost, ~Confirmed), with identified parents Joseph & Marion — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-County, New York |
| Surname | Lamb |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Richmond Borough |
| 1935 Residence (County) | Richmond |
| Additional Details | |
| Occupation | Salesman |
| Industry | Electrical Supplies |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3392 |
| Highest Grade | No C 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesman |
| Township / Ward | Richmond Borough |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Lamb | Spouse | — | 31 | ~1909 |
| James Lamb | Head | — | 33 | ~1907 |
| Jane Lamb | Daughter | — | 6 | ~1934 |
Census Appearances
1920
Richmond, New …
Son, age 12
Richmond, New York · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Richmond, New …
Son, age 23
Richmond, New York · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Occupation | Salesman |
| Industry | Cotton Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Richmond-County, New …
Head, age 33
Richmond-County, New York · implied b. ~1907 — 3 household members
| Surname | Lamb |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Richmond Borough |
| 1935 Residence (County) | Richmond |
| Occupation | Salesman |
| Industry | Electrical Supplies |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3392 |
| Highest Grade | No C 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 James Lamb across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Lamb (~0.92 confidence) and mother Marion Lamb (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Lamb
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Marion Lamb
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Lamb
Head · 1940 · age 33 · b. ~1907 · New York
★ 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 — Richmond-County, New York
Open full size
1940 US Federal Census — Richmond-County, New York
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02763-00778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Jacobsen | 51 | Head | — | Norway |
| 2 | Henry Jacobsen | 16 | Son | — | New York |
| 3 | Theodore Jacobsen | 16 | Son | — | New York |
| 4 | Richard Jacobsen | 14 | Son | — | New York |
| 5 | Herbert Jacobsen | 11 | Son | — | New York |
| 6 | William Seewert | 49 | Head | Office Manager | Germany |
| 7 | Edwina Seewert | 43 | Wife | — | New York |
| 8 | William Jr Seewert | 15 | Son | — | New York |
| 9 | Richard Seewert | 13 | Son | — | New York |
| 10 | Paul Arthur | 40 | Head | Accountant | Scotland |
| 11 | Margaret Arthur | 39 | Wife | — | Scotland |
| 12 | David B Arthur | 5 | Son | — | New York |
| 13 | Edna Endelman | 53 | Head | — | New York |
| 14 | Henry Roslokken | 52 | Head | Port Captain | Norway |
| 15 | Harold Roslokken | 25 | Son | Quartermaster | New York |
| 16 | Doris Roslokken | 19 | Daughter | — | New York |
| 17 | Anker Karlsen | 34 | Cousin | Longshoreman | Norway |
| 18 | Axel Brenna | 40 | Head | Carpenter | Norway |
| 19 | Alice Brenna | 38 | Wife | Store Keeper | Norway |
| 20 | Eileen Brenna | 19 | Daughter | Waitress | Norway |
| 21 | Elsie Brenna | 16 | Daughter | Clerk | Norway |
| 22 | Axel Jr Brenna | 10 | Son | — | New York |
| 23 | Ingvald Olsen | 35 | Head | Service Man | Norway |
| 24 | Julia Olsen | 37 | Wife | — | New Jersey |
| 25 | Caroline Olsen | 5 | Daughter | — | New York |
| 26 | Melvin Olsen | 2 | Son | — | New York |
| 27 | Charles A Ohman | 63 | Head | Carpenter | Sweden |
| 28 | Jenny Ohman | 63 | Wife | — | Norway |
| 29 | John Gross | 36 | Head | Stock Broker | New York |
| 30 | Helen Gross | 34 | Wife | — | New York |
| 31 | Jean Gross | 4 | Daughter | — | New York |
| 32 | Emma Newman | 65 | Mother-in-law | — | Maine |
| 33 | Edward Muelhouse | 58 | Brother-in-law | Painter | New York |
| 34 | Paula Rottler | 65 | Head | — | Germany |
| 35 | Herbert W Rottler | 30 | Son | Traveling Salesman | New York |
| 36 | James Lamb THIS PERSON | 33 | Head | Salesman | New York |
| 37 | Beatrice Lamb | 31 | Wife | — | New York |
| 38 | Jane Lamb | 6 | Daughter | — | New York |
Pedigree Summary
James
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)