LC
Louis Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Louis Cohen across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Wolf & Tillie — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | musician |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Musician |
| Township / Ward | Denver |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Samuel Cohen | Head | — | 63 | ~1877 |
| Louis Cohen | Son | — | 25 | ~1915 |
| Mollie Cohen | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Denver, Colorado
Son, age 8
Denver, Colorado · implied b. ~1912 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | News Boy |
| Industry | Streets |
| Class of Worker | OA |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 16
Denver, Colorado · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | delivery boy |
| Industry | newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 25
Denver-County, Colorado · implied b. ~1915 — 3 household members
| Surname | Cohen |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | musician |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Wolf Cohen (~0.92 confidence) and mother Tillie Cohen (~0.92 confidence) and father Morris Cohen (~0.92 confidence) and father Samuel Cohen (~0.92 confidence) and mother Mollie Cohen (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wolf Cohen
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Tillie Cohen
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Morris Cohen
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Samuel Cohen
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mollie Cohen
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Cohen
Son · 1940 · age 25 · b. ~1915 · Colorado
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00485-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillia Speyer | 28 | Wife | — | New York |
| 2 | Shirley A. Speyer | 5 | Daughter | — | Colorado |
| 3 | Freddie Jr. Speyer | 2 | Son | — | Colorado |
| 4 | Samuel J. Cohen | 63 | Head | Junk Dealer | Russia |
| 5 | Mollie Cohen | 53 | Wife | — | Russia |
| 6 | Louis Cohen THIS PERSON | 25 | Son | Musician | Colorado |
| 7 | William Yolin | 60 | Head | Grocer | Russia |
| 8 | Katie Yolin | 60 | Wife | — | Russia |
| 9 | Nathan Yolin | 32 | Son | Salesman | Illinois |
| 10 | Eli Yolin | 21 | Son | Warehouse | Colorado |
| 11 | Milton Yolin | 20 | Son | Warehouseman | Colorado |
| 12 | Morris Zenick | 35 | Head | Salesman | Russia |
| 13 | Myron Zenick | 3 | Son | — | Colorado |
| 14 | Alice Taylor | 35 | Maid | Maid | Kansas |
| 15 | Harry M. Schockett | 52 | Head | Jobber | Russia |
| 16 | Rose Schockett | 51 | Wife | — | Russia |
| 17 | Charles L. Schockett | 27 | Son | Electrician | Colorado |
| 18 | Victoria Schockett | 23 | Daughter | — | Colorado |
| 19 | Sharon B. Schockett | 1 | Daughter | — | Colorado |
| 20 | Samuel Kollfager | 45 | Head | Mgr. | New York |
| 21 | Molly Kollfager | 48 | Wife | — | Colorado |
| 22 | Leah Kollfager | 16 | Son | — | Colorado |
| 23 | Dorothy Kollfager | 13 | Daughter | — | Colorado |
| 24 | Morris Kollfager | 5 | Son | — | Colorado |
| 25 | Louis Zinn | 40 | Head | Owner | Russia |
| 26 | Rena Zinn | 38 | Wife | — | Colorado |
| 27 | Marvin Zinn | 19 | Son | Stock Boy | Colorado |
| 28 | Arthur Zinn | 12 | Son | — | Colorado |
| 29 | Miriam Zinn | 9 | Daughter | — | Colorado |
| 30 | Sol Rosenbaum | 52 | Head | Laborer | Russia |
| 31 | Rose Rosenbaum | 52 | Wife | — | Russia |
| 32 | Marvin Rosenbaum | 18 | Son | — | Colorado |
| 33 | Mona Margolis | 78 | Mother | — | Russia |
| 34 | Isadore | 52 | Boarder | Baker | Rumania |
| 35 | Sydney | 25 | Boarder | — | Chicago |
| 36 | Albert Butler | 30 | Head | Statistician | Colorado |
| 37 | Lois Butler | 26 | Wife | — | Russia |
| 38 | Valerie J. Butler | 2 | Daughter | — | Colorado |
| 39 | William Rosenthal | 46 | Head | Salesman | Rumania |
| 40 | Lillian Rosenthal | 40 | Wife | — | New York |
Pedigree Summary
Louis
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)