DC
David Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this David Cohen across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Isadore & Dora — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Retail Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Phila |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Leonard Cohen | Son | — | 12 | ~1928 |
| Jacob Cohen | Son | — | 4 | ~1936 |
| Mary Cohen | Daughter | — | 19 | ~1921 |
| Dora Cohen | Spouse | — | 44 | ~1896 |
| David Cohen | Son | — | 26 | ~1914 |
| Isadore Cohen | Head | — | 46 | ~1894 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 5
Philadelphia, Pennsylvania · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 15
Philadelphia, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 26
Philadelphia-County, Pennsylvania · implied b. ~1914 — 6 household members
| Surname | Cohen |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Occupation | Truck driver |
| Industry | Retail Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 432 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Isadore Cohen (~0.92 confidence) and mother Dora Cohen (~0.92 confidence) and mother Rachel Cohen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isadore Cohen
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Dora Cohen
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Rachel Cohen
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Cohen
Son · 1940 · age 26 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Mary Cohen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Cohen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacob Cohen
Sibling · 1940 · age 4
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03688-00417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Zihn | 60 | Sister | — | Pennsylvania |
| 42 | Frederick Zihn | 58 | Brother | — | Pennsylvania |
| 43 | Sarah Guberman | 60 | Head | — | Russia |
| 44 | Solomon Guberman | 50 | Son | Broom Dealer | Russia |
| 45 | Anna Guberman | 40 | Daughter | — | Russia |
| 46 | Morris Irloheck | Irlobeck | 57 | Head | — | Russia |
| 47 | Fanny Irloheck | Irlobeck | 54 | Wife | — | Russia |
| 48 | Elizabeth Sandmann | 71 | Head | — | Pennsylvania |
| 49 | Frank Volz | 52 | Head | Accountant | Pennsylvania |
| 50 | Sophie Volz | 44 | Wife | — | Pennsylvania |
| 51 | S. Ruth Volz | 23 | Daughter | Processor | Pennsylvania |
| 52 | W. Frank Volz | 21 | Son | — | Pennsylvania |
| 53 | F. George Volz | 17 | Son | — | Pennsylvania |
| 54 | Margaret Schach | 27 | Niece | Hair Dresser | Pennsylvania |
| 55 | Isadore Cohen | 46 | Head | Baker | Russia |
| 56 | Dora Cohen | 44 | Wife | — | Russia |
| 57 | David Cohen THIS PERSON | 26 | Son | Truck Driver | Pennsylvania |
| 58 | Mary Cohen | 19 | Daughter | New Worker | Pennsylvania |
| 59 | Leonard Cohen | 12 | Son | — | Pennsylvania |
| 60 | Jacob Cohen | 4 | Son | — | Pennsylvania |
| 61 | Oscar Wyman | 60 | Head | Furrier | Russia |
| 62 | Netta Wyman | 61 | Wife | — | Russia |
| 63 | Harvey Wyman | 18 | Son | Laborer | Pennsylvania |
| 64 | Louis Freedman | 50 | Head | Musician | Russia |
| 65 | Sarah Freedman | 46 | Wife | — | Russia |
| 66 | Reba Freedman | 22 | Daughter | Server | Pennsylvania |
| 67 | Phillip Freedman | 21 | Son | New Worker | Pennsylvania |
| 68 | Marion Freedman | 19 | Daughter | New Worker | Pennsylvania |
| 69 | Bertha Freedman | 17 | Daughter | — | Pennsylvania |
| 70 | Morris Freedman | 15 | Son | — | Pennsylvania |
| 71 | Nathan Freedman | 12 | Son | — | Pennsylvania |
| 72 | Adell Freedman | 8 | Daughter | — | Pennsylvania |
| 73 | Irvin Cooper | 52 | Head | — | Russia |
| 74 | Ezra Cooper | 29 | Son | Apprentice Printer | Pennsylvania |
| 75 | Samuel Cooper | 22 | Son | Printer | Pennsylvania |
| 76 | Harry Brown | 39 | Head | Butcher | Russia |
| 77 | Lillian Brown | 37 | Wife | — | Russia |
| 78 | William Brown | 14 | Son | — | Pennsylvania |
| 79 | Bernice Brown | 5 | Daughter | — | Pennsylvania |
Pedigree Summary
David + 3 siblings
Gen 1 · 3 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)