JC
Jacob Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Jacob Cohen across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Barnet & Kate — first a son (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Peddler |
| Industry | Pants |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 120 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Peddler |
| Township / Ward | Brooklyn |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Max Cohen | Head | — | 40 | ~1900 |
| Joseph Cohen | Son | — | 35 | ~1905 |
| Anna Cohen | Spouse | — | 40 | ~1900 |
| Jacob Cohen | Son | — | 32 | ~1908 |
| Sam Cohen | Son | — | 28 | ~1912 |
Census Appearances
1920
Kings, New …
Son, age 11
Kings, New York · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 21
Kings, New York · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Home Value / Rent | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 32
Kings-County, New York · implied b. ~1908 — 5 household members
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Peddler |
| Industry | Pants |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 120 |
| Highest Grade | 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 Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Barnet Cohen (~0.92 confidence) and mother Kate Cohen (~0.92 confidence) and father I Cohen (~0.92 confidence) and mother Sadie Cohen (~0.92 confidence) and mother Anna Cohen (~0.60 confidence) and father Max Cohen (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Barnet Cohen
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Kate Cohen
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
I Cohen
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Sadie Cohen
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Anna Cohen
b. ~1900
Source mother
● Household
· direct · ~0.6
Father
Max Cohen
b. ~1900
Source father
● Household
· direct · ~0.6
This person
Anchor record
Jacob Cohen
Son · 1940 · age 32 · b. ~1908 · New York
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Sibling
Sam Cohen
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cohen
Sibling · 1940 · age 35
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02565-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Welchinsky | 21 | Daughter | Operator | New York |
| 2 | Mildred Welchinsky | 18 | Daughter | — | New York |
| 3 | Morris Kriegman | 42 | Head | Tinsmith | Austria |
| 4 | Fannie Kriegman | 42 | Wife | — | Austria |
| 5 | Sylvia Kriegman | 14 | Daughter | — | New York |
| 6 | Fannie Meyerson | 60 | Head | — | Russia |
| 7 | Morris Meyerson | 34 | Son | Tax Auditor | New York |
| 8 | Lillian Meyerson | 29 | Daughter | Clerk | New York |
| 9 | Isaac Meyerson | 23 | Son | Salesman | New York |
| 10 | David Stander | 29 | Head | Pharmacist | New York |
| 11 | Helen Stander | 28 | Wife | — | New York |
| 12 | Lawrence Stander | 8 | Son | — | New York |
| 13 | Max Cohen | 40 | Head | Custom House | Russia |
| 14 | Anna Cohen | 40 | Wife | — | Russia |
| 15 | Joseph Cohen | 35 | Son | Presser | New York |
| 16 | Jacob Cohen THIS PERSON | 32 | Son | Peddler | New York |
| 17 | Sam Cohen | 28 | Son | Blocker | New York |
| 18 | Benjamin Fishlowitz | 54 | Head | Proprietor | Lithuania |
| 19 | Rosie Fishlowitz | 49 | Wife | — | Poland |
| 20 | Alexander Fishlowitz | 25 | Son | — | New York |
| 21 | Charles Fishlowitz | 19 | Son | Helper | New York |
| 22 | Louis Siegel | 47 | Head | Blocker | Austria |
| 23 | Annie Siegel | 40 | Wife | — | Austria |
| 24 | Harvey Siegel | 18 | Son | Stock Boy | New York |
| 25 | Essie Siegel | 17 | Daughter | Salesgirl | New York |
| 26 | Lillian Siegel | 13 | Daughter | — | New York |
| 27 | Louis Parnes | 50 | Brother-in-law | Receiving Clerk | Austria |
| 28 | Salvatore Cottone | 32 | Head | Polisher | New York |
| 29 | Mary Cottone | 27 | Wife | — | New York |
| 30 | Joseph Cottone | 2 | Son | — | New York |
| 31 | William Shildkraut | 37 | Head | Proprietor | Austria |
| 32 | Mollie Shildkraut | 35 | Wife | — | Austria |
| 33 | Herbert Shildkraut | 14 | Son | — | New York |
| 34 | Irving Shildkraut | 11 | Son | — | New York |
| 35 | Joseph Shapiro | 35 | Brother-in-law | Cutter | New York |
| 36 | David Broughton | 63 | Head | Wpa | New York |
| 37 | Elizabeth Broughton | 67 | Wife | — | New York |
| 38 | William Mcfarland | 63 | Head | — | New York |
| 39 | Ralph Bennett | 27 | Head | Laborer | New York |
| 40 | Grace Bennett | 25 | Wife | — | New York |
Pedigree Summary
Jacob + 2 siblings
Gen 1 · 6 parents
~0.81
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)