MC
Max Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Max Cohen across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ibe & Ibe — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cohen |
| Given Name | Max |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Buckle maker |
| Industry | Dress Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Buckle Maker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1919 |
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 Max | Age | Birth yr |
|---|---|---|---|---|
| Helen Cohen | Daughter | — | 23 | ~1917 |
| Ruth Cohen | Daughter | — | 12 | ~1928 |
| Max Cohen | Son | — | 21 | ~1919 |
| Raymond Cohen | Son | — | 24 | ~1916 |
| Max Cohen | Son | — | 25 | ~1915 |
| Ibe Cohen | Head | — | 50 | ~1890 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Max |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Jewish |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Max |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 6 household members
| Surname | Cohen |
| Given Name | Max |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Buckle maker |
| Industry | Dress Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 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 Max Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ibe Cohen (~0.92 confidence) and father Ibe Cohen (~0.92 confidence) and father Ike Cohen (~0.92 confidence) and mother Dora Cohen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ibe Cohen
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Ibe Cohen
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Ike Cohen
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Dora Cohen
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Max Cohen
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Ruth Cohen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Max Cohen
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cohen
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Cohen
Sibling · 1940 · age 23
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
32 people indexed on this census page (nara:1940:m-t0627-03714-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence A. Conlan | 32 | Sister | Bookkeeper | Philadelphia |
| 2 | Anna Conlan | 29 | Sister | Clerk | Philadelphia |
| 5 | Louis Marnoff | 36 | Head | Knitter | Russia |
| 6 | Eva Marnoff | 35 | Wife | — | Russia |
| 7 | Mirriam Marnoff | 12 | Daughter | — | Pennsylvania |
| 8 | Ann Marnoff | 2 | Daughter | — | Pennsylvania |
| 11 | Israel Segal | 62 | Head | Clerk | Russia |
| 12 | Rose S. Segal | 58 | Wife | — | Russia |
| 13 | Eva Segal | 33 | Daughter | Secretary | Pennsylvania |
| 14 | Elaine Cohen | 4 | Child | — | Pennsylvania |
| 15 | Morris Hartman | 48 | Head | Meat Cutter | Germany |
| 16 | Fanny Hartman | 46 | Wife | — | Pennsylvania |
| 17 | Philip Hartman | 13 | Son | — | Pennsylvania |
| 18 | Magdalena Graf | 73 | Head | — | Germany |
| 19 | Louisa Hildebrand | 51 | Boarder | Salesgirl | Pennsylvania |
| 20 | Minnie Patterson | 53 | Boarder | — | Pennsylvania |
| 21 | Rose Quinnock | 67 | Head | — | Pennsylvania |
| 23 | Irene A. Quinnock | 30 | Daughter | Special Contract | Pennsylvania |
| 24 | Samuel Landis | 70 | Brother | Repair Man | Pennsylvania |
| 25 | Nathaniel Ronzan | 26 | Head | Feeder | Pennsylvania |
| 26 | Rose Ronzan | 29 | Wife | Clerical | Pennsylvania |
| 27 | Sarah Fishman | 70 | Mother in law | — | Russia |
| 28 | Edward L. Burton | 61 | Head | Amusement Operator | Pennsylvania |
| 29 | Mable Q. Burton | 58 | Wife | Waitress | Pennsylvania |
| 33 | Ibe Cohen | 50 | Head | Masseur | Russia |
| 34 | Raymond Cohen | 24 | Son | Button Maker | Pennsylvania |
| 35 | Max Cohen | 25 | Son | Printer | Pennsylvania |
| 36 | Helen Cohen | 23 | Daughter | — | Pennsylvania |
| 37 | Max Cohen THIS PERSON | 21 | Son | Buckle Maker | Pennsylvania |
| 38 | Ruth Cohen | 12 | Daughter | — | Pennsylvania |
| 39 | Ely Hertzberg | 27 | Head | Cutter | Pennsylvania |
| 40 | Sylvia A. Hertzberg | 23 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Max + 4 siblings
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)