DC
David Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this David Cohen across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Gabel & Jacob — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Salesman |
| Industry | Wholesale Groceries |
| Class of Worker | PW |
| Income (1939) | 706 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Frances Cohen | Daughter | — | 19 | ~1921 |
| Gertrude Cohen | Daughter | — | 25 | ~1915 |
| Jacob Cohen | Head | — | 56 | ~1884 |
| David Cohen | Son | — | 23 | ~1917 |
| Gottlieb Cohen | Son | — | 25 | ~1915 |
| Samuel Cohen | Son | — | 30 | ~1910 |
| Dorothy Cohen | Daughter | — | 24 | ~1916 |
| Sarah Cohen | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age
Suffolk, Massachusetts · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 12
Suffolk, Massachusetts · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Electrician |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 8 household members
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Salesman |
| Industry | Wholesale Groceries |
| Class of Worker | PW |
| Income (1939) | 706 |
| 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 David Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gabel Cohen (~0.92 confidence) and father Jacob Cohen (~0.92 confidence) and father Maurice Cohen (~0.92 confidence) and mother Anna Cohen (~0.92 confidence) and mother Sarah Cohen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gabel Cohen
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Jacob Cohen
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Maurice Cohen
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Anna Cohen
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Sarah Cohen
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Cohen
Son · 1940 · age 23 · b. ~1917 · Massachusetts
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Sibling
Samuel Cohen
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cohen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cohen
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gottlieb Cohen
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Cohen
Sibling · 1940 · age 25
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-t0627-01673-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Freshman | 11 | Daughter | Operator | Massachusetts |
| 2 | Joseph Rosse | 45 | Head | Dentist | Russia |
| 3 | Maryon E. Rosse | 37 | Wife | — | Massachusetts |
| 4 | Estella G. Rosse | 15 | Daughter | — | Massachusetts |
| 5 | George S. Rosse | 3 | Son | — | Massachusetts |
| 6 | Lillian Clark | 21 | Servant | Maid | Massachusetts |
| 7 | Jacob Cohen | 56 | Head | Selling Clerk | Russia |
| 8 | Sarah B. Cohen | 55 | Wife | — | Russia |
| 9 | Samuel Cohen | 30 | Son | Clerk | Massachusetts |
| 10 | Gottlieb Cohen | 25 | Son | Salesman | Massachusetts |
| 11 | Gertrude Cohen | 25 | Daughter | Bookkeeper | Massachusetts |
| 12 | Dorothy Cohen | 24 | Daughter | Salesgirl | Massachusetts |
| 13 | David Cohen THIS PERSON | 23 | Son | Salesman | Massachusetts |
| 14 | Frances Cohen | 19 | Daughter | Writer | Massachusetts |
| 15 | Morris Rooney | 62 | Head | Proprietor | Russia |
| 16 | Annie Rooney | 58 | Wife | — | Russia |
| 17 | Morris H. Seidman | 36 | Son-in-law | Registered Pharmacist | Austria |
| 18 | Lillian R. Seidman | 35 | Daughter | — | New York |
| 19 | Muriel B. Seidman | 10 | Granddaughter | — | New York |
| 20 | Joel M. Seidman | 2 | Grandson | — | New Jersey |
| 21 | Louis Feldman | 56 | Head | Laborer | Russia |
| 22 | Fannie Feldman | 48 | Wife | — | Russia |
| 23 | Max Baron | 35 | Son-in-law | Salesman | Massachusetts |
| 24 | Daisy Baron | 27 | Daughter | — | Massachusetts |
| 25 | Arnold S. Baron | 6 | Son | — | Massachusetts |
| 26 | Morris Israil | 85 | Head | — | Russia |
| 27 | Bessie Israil | 63 | Wife | — | Russia |
| 28 | William Kwatcher | 27 | Son-in-law | Meat Cutter | New York |
| 29 | Sally Kwatcher | 25 | Daughter | — | Massachusetts |
| 30 | Gail Kwatcher | 3 | Granddaughter | — | Massachusetts |
| 31 | Rona Kwatcher | 3 | Granddaughter | — | Massachusetts |
| 32 | Samuel Pishvan | 29 | Son-in-law | Truck Driver | Massachusetts |
| 33 | Anne Pishvan | 25 | Daughter | — | Massachusetts |
| 34 | Roberta Pishvan | 3 | Granddaughter | — | Massachusetts |
| 35 | Samuel Black | 47 | Head | Egg Candler | Russia |
| 36 | Ruth Black | 47 | Wife | — | Russia |
| 37 | Bernice Black | 7 | Daughter | — | Massachusetts |
| 38 | Alvin M. Black | 4 | Son | — | Massachusetts |
| 39 | Eva Skolnick | 70 | Mother-in-law | — | Russia |
| 40 | Hyman Cummins | 65 | Head | Proprietor | Russia |
Pedigree Summary
David + 5 siblings
Gen 1 · 5 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)