JJ
Joseph Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Joseph Jacobs across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents William & Ada — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | Labour |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 500 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Labour |
| Township / Ward | New York City |
| Est. Birth Year | ~1913 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Marie Jacobs | Spouse | — | 22 | ~1918 |
| Joseph Jacobs | Head | — | 27 | ~1913 |
| Mary Jacobs | Daughter | — | 4 | ~1936 |
Census Appearances
1920
New York, …
Son, age 6
New York, New York · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | No |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 16
New York, New York · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Student |
| Industry | High School |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Head, age 27
New-York-County, New York · implied b. ~1913 — 3 household members
| Surname | Jacobs |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Occupation | Labour |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 500 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Joseph Jacobs across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Jacobs (~0.92 confidence) and mother Ada Jacobs (~0.92 confidence) and mother Eva Jacobs (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Jacobs
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ada Jacobs
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Eva Jacobs
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Jacobs
Head · 1940 · age 27 · b. ~1913 · New York
★ 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-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02639-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Thau | 33 | Wife | — | New York |
| 2 | Florence Thau | 3 | Daughter | — | New York |
| 3 | Louis Schneider | 36 | Head | Clerk | New York |
| 4 | Katherine Schneider | 34 | Wife | — | New York |
| 5 | Walter Kulaga | 28 | Head | Counterman | Poland |
| 6 | Katherine Kulaga | 24 | Wife | — | Penna |
| 7 | Frances Kulaga | 1 | Son | — | New York |
| 8 | Martha Schwartz | 45 | Lodger | Clerk | New York |
| 9 | Andrew Barbaresi | 21 | Head | Barber | New York |
| 10 | Jean Barbaresi | 19 | Wife | — | Italy |
| 11 | Jean Barbaresi | 2 | Son | — | New York |
| 12 | Edward Sheba | 27 | Head | Barman | New York |
| 13 | Josephine Sheba | 26 | Wife | — | Penna |
| 14 | Walter Sheba | 3 | Son | — | New Jersey |
| 15 | Katherine Sheba | 1 | Daughter | — | New York |
| 16 | Jacob Baluch | 32 | Head | Peddler | Penna |
| 17 | Anna Baluch | 26 | Wife | — | Poland |
| 18 | William Baron | 37 | Head | Chauffeur | Austria |
| 19 | Katherine Baron | 58 | Mother | — | Austria |
| 20 | Edward Baron | 16 | Son | — | New York |
| 21 | Richard Baron | 13 | Son | — | New York |
| 22 | John Smith | 55 | Head | Porter | Austria |
| 23 | Anna Smith | 50 | Wife | — | Austria |
| 24 | Michael Smith | 21 | Son | Errand Boy | New York |
| 25 | Anna Chara | 52 | Head | — | Austria |
| 26 | William Ferdan | 26 | Nephew | Polisher | New York |
| 27 | William Jerich | 50 | Lodger | Kitchen Man | Austria |
| 28 | John Kroll | 44 | Head | Cook | Austria |
| 29 | Mary Kroll | 37 | Wife | — | Austria |
| 30 | John Jr Kroll | 5 | Son | — | New York |
| 31 | Joseph Kroll | 0 | Son | — | New York |
| 32 | Joseph Jacobs THIS PERSON | 27 | Head | Labour | New York |
| 33 | Marie Jacobs | 22 | Wife | — | New York |
| 34 | Mary Jacobs | 4 | Daughter | — | New York |
| 35 | Rose Zortyak | 68 | Head | — | Poland |
| 36 | Leon Rozak | 24 | Lodger | Stripper | New York |
| 37 | Walter Rozak | 22 | Lodger | Second Cook | New York |
| 38 | Peter Drapan | 53 | Head | Mason | Russia |
| 39 | Kamila Drapan | 58 | Wife | — | Poland |
| 40 | Frank Zelinsky | 56 | Head | Labour | Poland |
Pedigree Summary
Joseph
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)