JC
Jacob Cohen — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Haven-County, Connecticut
Our Model Tree links this Jacob Cohen across the 1920, 1930 and 1940 US Censuses in New-Haven-County, Connecticut (XGBoost, ~Confirmed), with identified parents Molly & Harry — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Haven-County, Connecticut |
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | New Haven |
| 1935 Residence (County) | New Haven |
| Additional Details | |
| Occupation | druggist |
| Industry | drug store |
| Class of Worker | PW |
| Hours Worked | 75 |
| Income (1939) | 2080 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Druggist |
| Township / Ward | New Haven |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Janet Cohen | Daughter | — | 4 | ~1936 |
| Jacob Cohen | Head | — | 31 | ~1909 |
| Michael Cohen | Son | — | 1 | ~1939 |
| Sarah Cohen | Spouse | — | 30 | ~1910 |
Census Appearances
1920
New Haven, …
Son, age 12
New Haven, Connecticut · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
New Haven, …
Son, age 22
New Haven, Connecticut · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Poland |
| Mother's Birthplace | Russia |
| Occupation | Pharmacist |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
New-Haven-County, Connecticut
Head, age 31
New-Haven-County, Connecticut · implied b. ~1909 — 4 household members
| Surname | Cohen |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | New Haven |
| 1935 Residence (County) | New Haven |
| Occupation | druggist |
| Industry | drug store |
| Class of Worker | PW |
| Hours Worked | 75 |
| Income (1939) | 2080 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Jacob Cohen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Molly Cohen (~0.92 confidence) and father Harry Cohen (~0.92 confidence) and father Abraham Cohen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Molly Cohen
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Harry Cohen
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Abraham Cohen
b. ~1882
Source father
● Household
· direct · ~0.92
This person
Anchor record
Jacob Cohen
Head · 1940 · age 31 · b. ~1909 · Connecticut
★ 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 — New-Haven-County, Connecticut
Open full size
1940 US Federal Census — New-Haven-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00543-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George R Wilson | 52 | Head | Teacher | Massachusetts |
| 42 | Margaret F Wilson | 52 | Wife | — | Massachusetts |
| 43 | David S Wilson | 16 | Son | — | Massachusetts |
| 44 | Eleanor Wilson | 12 | daughter | — | Connecticut |
| 45 | Stuart Wilson | 11 | son | — | Connecticut |
| 46 | Harry Houston | 73 | Head | Teacher | Michigan |
| 47 | Bertha Houston | 69 | Sister | — | Michigan |
| 48 | Robert R Harrison | 50 | Head | Salesman | Connecticut |
| 49 | Ethel E Harrison | 48 | wife | — | Connecticut |
| 50 | David Watstein | 36 | Head | Manager | Connecticut |
| 51 | Ida Watstein | 32 | wife | — | New York |
| 52 | Jean Watstein | 5 | daughter | — | Connecticut |
| 53 | Sheila Watstein | 2 | daughter | — | Connecticut |
| 54 | Frank Spasa | 60 | Head | Agent | Italy |
| 55 | Theresa Spasa | 55 | Wife | — | New York |
| 56 | Walter E Henig | 34 | Head | Tool And Die Maker | Connecticut |
| 57 | Inez Henig | 32 | wife | — | Connecticut |
| 58 | Walter Jr. Henig | 9 | son | — | Connecticut |
| 59 | Jacob Cohen THIS PERSON | 31 | Head | Druggist | Connecticut |
| 60 | Sarah Cohen | 30 | wife | Saleslady | Connecticut |
| 61 | Janet A Cohen | 4 | daughter | — | Connecticut |
| 62 | Michael Cohen | 1 | son | — | Connecticut |
| 63 | William J. Murphy | 39 | Head | Division Manager | Massachusetts |
| 64 | Helen Murphy | 39 | wife | — | Massachusetts |
| 65 | Lidwine Murphy | 16 | daughter | — | Massachusetts |
| 66 | Joan Murphy | 14 | daughter | — | New York |
| 67 | Joseph M Miller | 31 | Head | Clerk | Connecticut |
| 68 | Helen Miller | 28 | wife | — | Connecticut |
| 69 | Joseph Miller | 2 | son | — | Connecticut |
| 70 | William Miller | 0 | son | — | Connecticut |
| 71 | William P Sullivan | 53 | Head | — | Connecticut |
| 72 | Mary H Sullivan | 45 | wife | — | Connecticut |
| 73 | William F Sullivan | 10 | son | — | Connecticut |
| 74 | Gordon L Cody | 45 | Head | Mechanic | Connecticut |
| 75 | Anna M Cody | 48 | wife | — | New York |
| 76 | Asa B. Cody | 56 | brother | Clerk | Connecticut |
| 77 | Leon Culke | 48 | Head | Gun Inspector | New York |
| 78 | Maryanna Culke | 77 | mother | — | Prussia |
| 79 | Nathan Smirnoff | 44 | Head | Owner | Connecticut |
| 80 | Fanny Smirnoff | 37 | wife | — | Russia |
Pedigree Summary
Jacob
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)