JC
Jacob Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Jacob Cohen across the 1910, 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Harry — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | laborer |
| Industry | Disinfectant |
| Class of Worker | PW |
| Hours Worked | 54 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Boston City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Abraham Cohen | Head | — | 50 | ~1890 |
| Sylvia Cohen | Daughter | — | 15 | ~1925 |
| Jacob Cohen | Son | — | 32 | ~1908 |
| Sarah Cohen | Spouse | — | 50 | ~1890 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Russia-Yiddish |
| Mother's Birthplace | Russia-Yiddish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · 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 | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Russia |
| Mother's Birthplace | Roumania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 21
Suffolk, Massachusetts · 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 | 21 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Roumania |
| Occupation | salesman |
| Industry | chemistry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 32
Suffolk-County, Massachusetts · implied b. ~1908 — 4 household members
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Occupation | laborer |
| Industry | Disinfectant |
| Class of Worker | PW |
| Hours Worked | 54 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Cohen (~0.92 confidence) and father Harry Cohen (~0.92 confidence) and mother Bessie Cohen (~0.92 confidence) and father Morris Cohen (~0.92 confidence) and mother Rose Cohen (~0.92 confidence) and father Abraham Cohen (~0.92 confidence) and mother Sarah Cohen (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Cohen
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Harry Cohen
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Bessie Cohen
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Morris Cohen
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Rose Cohen
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Abraham Cohen
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Sarah Cohen
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jacob Cohen
Son · 1940 · age 32 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Sylvia Cohen
Sibling · 1940 · age 15
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01673-00396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Honigbaum | 19 | Son | Drug Store Clerk | Massachusetts |
| 2 | Bernice Honigbaum | 11 | Daughter | — | Massachusetts |
| 3 | Norman Honigbaum | 9 | Son | — | Massachusetts |
| 4 | Joseph Katz | 50 | Head | Men'S Tailor | Russia |
| 5 | Esther F. Katz | 47 | Wife | — | Russia |
| 6 | Florence Katz | 20 | Daughter | — | Iowa |
| 7 | Ann Horvitz | 28 | Daughter | — | Russia |
| 8 | Harold Horvitz | 32 | Son-in-law | Upholsterer | Russia |
| 9 | Samuel Rubin | 54 | Head | Men'S Tailor | Russia |
| 10 | Gittel E. Rubin | 54 | Wife | — | Russia |
| 11 | Mary Rubin | 28 | Daughter | — | Massachusetts |
| 12 | Florence Rubin | 25 | Daughter | Typist | Massachusetts |
| 13 | Robert Rubin | 31 | Son | Merchandiser | Massachusetts |
| 14 | Estelle Rubin | 27 | Daughter | Salesgirl | South Africa |
| 15 | Elmer L. Harris | 50 | Head | Painter | Russia |
| 16 | Mae Harris | 42 | Wife | — | Massachusetts |
| 17 | Florence Harris | 24 | Daughter | Salesgirl | Massachusetts |
| 18 | Sylvia Harris | 19 | Daughter | Typing | Massachusetts |
| 19 | Ida Bornstein | 60 | Head | — | Russia |
| 20 | Fannie Millman | 77 | Mother | — | Russia |
| 21 | Abraham Cohen | 50 | Head | Men'S Tailor | Russia |
| 22 | Sarah Cohen | 50 | Wife | — | Russia |
| 23 | Jacob Cohen THIS PERSON | 32 | Son | Laborer | Massachusetts |
| 24 | Sylvia Cohen | 15 | Daughter | — | Massachusetts |
| 25 | Eli Fireman | 29 | Head | Optometrist | Maine |
| 26 | Vivian Fireman | 27 | Wife | — | Massachusetts |
| 27 | Phyllis Fireman | 2 | Daughter | — | Massachusetts |
| 28 | Ida Stone | 45 | Mother-in-law | — | Russia |
| 29 | Minnie Cohen | 28 | Sister-in-law | Wrapper | Massachusetts |
| 30 | Samuel Winer | 45 | Head | Mattress Maker | Russia |
| 31 | Annie Winer | 41 | Wife | — | Russia |
| 32 | Maurice Winer | 24 | Son | — | Massachusetts |
| 33 | Norman Winer | 14 | Son | — | Massachusetts |
| 34 | Joseph Carro | 48 | Head | Salesman | Massachusetts |
| 35 | Sadie Carro | 47 | Wife | — | England |
| 36 | Frank Carro | 25 | Son | Fruit Peddler | Massachusetts |
| 37 | Ann Carro | 30 | Daughter | Typist | Massachusetts |
| 38 | Pearl Carro | 20 | Daughter | Bookkeeper | Massachusetts |
| 39 | Edward Carro | 14 | Son | — | Massachusetts |
| 40 | Maurice Blacker | 43 | Head | Capmaker | Russia |
Related Census Records
Pedigree Summary
Jacob + 1 sibling
Gen 1 · 7 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)