LC
Louis Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Louis Cohen across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Louis & Ida — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Candy Store |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Candy Store |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Mary Cohen | Daughter | — | 26 | ~1914 |
| Eva Cohen | Daughter | — | 32 | ~1908 |
| Louis Cohen | Head | — | 69 | ~1871 |
| Stanford Levin | Other | — | 3 | ~1937 |
| Joseph Cohen | Son | — | 36 | ~1904 |
| Louis Cohen | Son | — | 24 | ~1916 |
| Ida Cohen | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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 24
Philadelphia-County, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Candy Store |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Louis Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louis Cohen (~0.92 confidence) and mother Ida Cohen (~0.92 confidence) and mother Anna Cohen (~0.92 confidence) and father Jacob Cohen (~0.92 confidence) and father Harry Cohen (~0.92 confidence) and mother Rose Cohen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Cohen
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Ida Cohen
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Anna Cohen
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Jacob Cohen
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Harry Cohen
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Rose Cohen
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Cohen
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
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Sibling
Joseph Cohen
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cohen
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Cohen
Sibling · 1940 · age 32
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
40 people indexed on this census page (nara:1940:m-t0627-03697-00840)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred Seymour | 29 | Boarder | Porter | Pennsylvania |
| 2 | Joseph Grossman | 39 | Head | Tire Salesman | New York |
| 3 | Anna Grossman | 30 | Wife | — | Pennsylvania |
| 4 | Albert Grossman | 3 | Son | — | Pennsylvania |
| 5 | Louis Cohen | 69 | Head | — | Russia |
| 6 | Ida Cohen | 67 | Wife | — | Russia |
| 7 | Joseph Cohen | 36 | Son | Chemist | Pennsylvania |
| 8 | Eva Cohen | 32 | Daughter | Stenographer | Pennsylvania |
| 9 | Mary Cohen | 26 | Daughter | — | Pennsylvania |
| 10 | Louis Cohen THIS PERSON | 24 | Son | Candy Store | Pennsylvania |
| 11 | Stanford Levin | 3 | Grandson | — | Pennsylvania |
| 12 | Frank J. Brown | 43 | Head | Carpenter | Hungary |
| 13 | Anna Brown | 41 | Wife | — | Hungary |
| 14 | William Brown | 13 | Son | — | Pennsylvania |
| 15 | Earl Brown | 11 | Son | — | Pennsylvania |
| 16 | Robert Brown | 8 | Son | — | Pennsylvania |
| 17 | Marie Brown | 4 | Daughter | — | Pennsylvania |
| 18 | Marie Lang | 67 | Mother-in-law | — | Hungary |
| 19 | Christopher Ludwig | 53 | Head | General Helper | Pennsylvania |
| 20 | Carrie Ludwig | 51 | Wife | — | Pennsylvania |
| 21 | Caroline Ludwig | 20 | Daughter | New Worker | Pennsylvania |
| 22 | Anton Gushaley | 56 | Head | Engineer | Hungary |
| 23 | Justine Gushaley | 56 | Wife | — | Pennsylvania |
| 24 | Anthony Gushaley | 25 | Son | Clerk | Pennsylvania |
| 25 | Edward Gushaley | 20 | Son | Helper | Pennsylvania |
| 26 | Alfred Gushaley | 18 | Son | New Worker | Pennsylvania |
| 27 | Otto Gushaley | 15 | Son | — | Pennsylvania |
| 28 | Lillie Margolis | 60 | Head | — | New York |
| 29 | Milton Margolis | 28 | Son | Salesman | Pennsylvania |
| 30 | Evelyn Margolis | 22 | Daughter | Stenographer | Pennsylvania |
| 31 | Michael Konchak | 48 | Head | Laborer | Austria |
| 32 | Sophie Konchak | 48 | Wife | — | Austria |
| 33 | John Konchak | 23 | Son | Laborer | Pennsylvania |
| 34 | Stephen Konchak | 21 | Son | Laborer | Pennsylvania |
| 35 | Helen Konchak | 20 | Daughter | — | Pennsylvania |
| 36 | Peter Konchak | 18 | Son | — | Pennsylvania |
| 37 | Otto Schmidt | 46 | Head | Stock Man | New York |
| 38 | Mary Schmidt | 47 | Wife | — | Pennsylvania |
| 39 | Dolores Schmidt | 13 | Daughter | — | Pennsylvania |
| 40 | George Eckert | 50 | Brother-in-law | Blocker | Pennsylvania |
Related Census Records
Pedigree Summary
Louis + 3 siblings
Gen 1 · 6 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)