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Jacob Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Jacob Smith across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Sam & Samuel — first a head (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Smith |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn Borough |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Auto metal |
| Industry | Platings |
| Class of Worker | W |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Auto Metal |
| Township / Ward | Brooklyn Borough |
| Est. Birth Year | ~1905 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Joan Smith | Daughter | — | 9 | ~1931 |
| Marion Smith | Daughter | — | 2 | ~1938 |
| Dorothy Smith | Daughter | — | ~1940 | |
| Patricia Smith | Daughter | — | 3 | ~1937 |
| Jacob Smith | Head | — | 35 | ~1905 |
| Jacob Smith | Son | — | 5 | ~1935 |
| Florence Smith | Spouse | — | 30 | ~1910 |
Census Appearances
1920
New York, …
Son, age 12
New York, New York · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 23
Kings, New York · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Clerk |
| Industry | Furniture Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Head, age 35
Kings-County, New York · implied b. ~1905 — 7 household members
| Surname | Smith |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn Borough |
| 1935 Residence (County) | Kings |
| Occupation | Auto metal |
| Industry | Platings |
| Class of Worker | W |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 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 Jacob Smith across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Sam Smith (~0.92 confidence) and father Samuel Smith (~0.92 confidence) and mother Fanny Smith (~0.92 confidence) and mother Rose Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Samuel Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Fanny Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Rose Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jacob Smith
Head · 1940 · age 35 · b. ~1905 · 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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02615-00654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angelo Carrato | 45 | Head | Clerk | Italy |
| 2 | Julia Carrato | 40 | Wife | — | Italy |
| 3 | Anna Carrato | 15 | Daughter | — | New York |
| 5 | Jacob Smith THIS PERSON | 35 | Head | Auto Metal | New York |
| 6 | Florence Smith | 30 | Wife | — | New York |
| 7 | Joan Smith | 9 | Daughter | — | New York |
| 8 | Jacob Smith | 5 | Son | — | New York |
| 9 | Patricia Smith | 3 | Daughter | — | New York |
| 10 | Marion Smith | 2 | Daughter | — | New York |
| 11 | Dorothy Smith | 0 | Daughter | — | New York |
| 12 | Daniel Statt | 34 | Head | Painter & Decorator | New York |
| 13 | Arthur Fogarty | 57 | Head | Brush Mfg | New York |
| 14 | Martha Fogarty | 36 | Wife | — | Germany |
| 15 | Arthur Fogarty | 30 | Son | Helper | New York |
| 16 | John Rock | 43 | Head | Machinist | Germany |
| 17 | Minnie Rock | 46 | Wife | — | Germany |
| 18 | Henry Rock | 14 | Son | — | New York |
| 19 | John Rock | 9 | Son | — | New York |
| 20 | Henry Rotkis | 34 | Head | Cabinet Maker | Germany |
| 21 | Dorothy Rotkis | 33 | Wife | — | Germany |
| 22 | Eric Rotkis | 3 | Son | — | New York |
| 23 | Lester Allen | 47 | Head | Operate Elev | New York |
| 24 | Bertha Allen | 47 | Wife | — | New York |
| 25 | Willard Allen | 12 | Son | — | New York |
| 26 | Henry Varous | 61 | Head | — | Holland |
| 27 | Catherine Varous | 68 | Wife | — | Germany |
| 28 | Henry Tolerance | 35 | Head | Motorman | Canada French |
| 29 | Evelyn Tolerance | 30 | Wife | — | Canada French |
| 30 | Arnold Tolerance | 10 | Son | — | New York |
| 31 | Mark Tolerance | 9 | Son | — | New York |
| 32 | Howard Tolerance | 2 | Son | — | New York |
| 33 | Cecile Tolerance | 24 | Niece | Helper | Canada French |
| 34 | George Mahon | 49 | Head | Motorman | New York |
| 35 | Frances Mahon | 49 | Wife | — | New York |
| 36 | George Mahon | 21 | Son | Helper | New York |
| 37 | Frank Mahon | 19 | Son | Truck Driver | New York |
| 38 | Fred Descher | 57 | Head | Fireman | Germany |
| 39 | Emily Descher | 59 | Wife | — | New York |
| 40 | Emily Descher | 25 | Daughter | Housework | New York |
Pedigree Summary
Jacob
Gen 1 · 4 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)