LC
Louis Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Louis Cohen across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Lazarus & Louis — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | merchant |
| Industry | dry cleaning |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Merchant |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1918 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Mollie Cohen | Daughter | — | 19 | ~1921 |
| Betty Cohen | Daughter | — | 11 | ~1929 |
| Anna Cohen | Daughter | — | 20 | ~1920 |
| Lazarus Cohen | Head | — | 45 | ~1895 |
| Louis Cohen | Son | — | 22 | ~1918 |
| Joseph Cohen | Son | — | 16 | ~1924 |
| Ben Cohen | Son | — | 14 | ~1926 |
| Rachel Cohen | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohan |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Louis S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | merchant |
| Industry | dry cleaning |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | H-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 Louis Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lazarus Cohen (~0.92 confidence) and father Louis Cohan (~0.92 confidence) and father Lazarus Cohen (~0.92 confidence) and mother Rachael Cohan (~0.92 confidence) and mother Rachael Cohen (~0.92 confidence) and mother Rachel Cohen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lazarus Cohen
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Louis Cohan
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Lazarus Cohen
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Rachael Cohan
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Rachael Cohen
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Rachel Cohen
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Cohen
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Anna Cohen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ben Cohen
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mollie Cohen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Cohen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cohen
Sibling · 1940 · age 16
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03662-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marvin Silverblatt | 13 | son | — | Pennsylvania |
| 42 | Stanley Silverblatt | 9 | son | — | Pennsylvania |
| 43 | Emma Adams | 29 | servant | Servant | Pennsylvania |
| 44 | Ellen D. Connors | 68 | head | — | Pennsylvania |
| 45 | Genevieve Connors | 34 | daughter | Bacteriologist | Pennsylvania |
| 46 | John F. Connors | 30 | son | Office Manager | Pennsylvania |
| 47 | Frederick Fisher | 38 | head | Accountant | Pennsylvania |
| 48 | Dorothy S. Fisher | 34 | wife | — | Delaware |
| 49 | Joan Fisher | 8 | daughter | — | Delaware |
| 50 | Richard Fisher | 4 | son | — | Delaware |
| 51 | John B. Chisholm | 46 | head | Office Clerk | Scotland |
| 52 | Janet M. Chisholm | 46 | wife | — | Pennsylvania |
| 53 | Andrew Moline | 82 | father-in-law | — | Scotland |
| 54 | Fred H. Kindle | 48 | head | Mechanical Engineer | Pennsylvania |
| 55 | Ethel Kindle | 52 | wife | — | Pennsylvania |
| 56 | Fred H. Kindle | 19 | son | — | California |
| 57 | Marilyn Kindle | 16 | daughter | — | California |
| 58 | Morris Browdy | 60 | head | Proprietor | Russia |
| 59 | Hattie Browdy | 55 | wife | — | Pennsylvania |
| 60 | Janet Browdy | 24 | daughter | Saleslady | Pennsylvania |
| 61 | Samuel Helfman | 36 | head | Electrical Engineer | Russia |
| 62 | Mollie Helfman | 33 | wife | — | New York |
| 63 | Lorine E. Helfman | 6 | daughter | — | Pennsylvania |
| 64 | Minnie Strouberg | 57 | mother-in-law | — | Russia |
| 65 | Lazarus Cohen | 45 | head | Proprietor | Poland |
| 66 | Rachel Cohen | 42 | wife | — | Lithuania |
| 67 | Louis Cohen THIS PERSON | 22 | son | Merchant | Pennsylvania |
| 68 | Anna Cohen | 20 | daughter | General Clerk | Pennsylvania |
| 69 | Mollie Cohen | 19 | daughter | — | Pennsylvania |
| 70 | Joseph Cohen | 16 | son | — | Pennsylvania |
| 71 | Ben Cohen | 14 | son | — | Pennsylvania |
| 72 | Betty Cohen | 11 | daughter | — | Pennsylvania |
| 73 | Robert Colton | 39 | head | Head Clerk | Pennsylvania |
| 74 | Virginia Colton | 36 | wife | — | Pennsylvania |
| 75 | Clara Shellaby | 58 | mother-in-law | — | Pennsylvania |
| 76 | Isaac Claster | 76 | head | — | Russia |
| 77 | Bessie Claster | 74 | wife | — | Russia |
| 78 | Simon Claster | 50 | son | Claim Adjuster | Pennsylvania |
| 79 | Lea Claster | 35 | daughter | Stenographer | Pennsylvania |
| 80 | Mary Baker | 59 | head | Janitress | Maryland |
Related Census Records
Pedigree Summary
Louis + 5 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)