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William Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this William Jacobs across the 1920, 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 4-person household.
Age 43
b. ~1897
Male
Head
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Monroe |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Tailor |
| Industry | Men's Clothing Factory |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 1800 |
| Highest Grade | 7 |
| 1935 Residence | Same Place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Tailor |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1897 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Thelma Jacobs | Daughter | — | 11 | ~1929 |
| William Jacobs | Head | — | 43 | ~1897 |
| Harvey Jacobs | Son | — | 2 | ~1938 |
| Blanche Jacobs | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Monroe, New …
Other, age 23
Monroe, New York · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Poland |
| Year of Immigration | 1912 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Tailor |
| Industry | Tailor shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | poland |
1930
Monroe, New …
Head, age 33
Monroe, New York · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 24 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Operator |
| Industry | Tailor Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Home Owned/Rented | O |
| Home Value / Rent | 14,000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Monroe-County, New …
Head, age 43
Monroe-County, New York · implied b. ~1897 — 4 household members
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Rochester City |
| 1935 Residence (County) | Monroe |
| Naturalization Status | Naturalized |
| Occupation | Tailor |
| Industry | Men's Clothing Factory |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 1800 |
| Highest Grade | 7 |
| 1935 Residence | Same Place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 William Jacobs across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Jacobs
Head · 1940 · age 43 · b. ~1897 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02842-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane Rizzo | 21 | Housekeeper | Housekeeper | New York |
| 2 | Hyman Whalen | 45 | Lodger | Tailor | Russia |
| 3 | Abraham Lishkowsky | 45 | Head | Tailor | Poland |
| 4 | Ada Lishkowsky | 40 | Wife | Tailor | Russia |
| 5 | Betty Lishkowsky | 16 | Daughter | Typist | New York |
| 6 | Phillip Boslov | 35 | Head | — | Russia |
| 7 | Rose Boslov | 32 | Wife | — | New York |
| 8 | Gertrude L. Boslov | 2 | Daughter | — | New York |
| 9 | William Jacobs THIS PERSON | 43 | Head | Tailor | Poland |
| 10 | Blanche Jacobs | 37 | Wife | — | Poland |
| 11 | Thelma Jacobs | 11 | Daughter | — | New York |
| 12 | Harvey Jacobs | 2 | Son | — | New York |
| 13 | Phillip Giuffrida | 47 | Head | Real Estate Broker | Italy |
| 14 | Marie Giuffrida | 43 | Wife | — | Hungary |
| 15 | Blanche Giuffrida | 15 | Daughter | — | New York |
| 16 | George J. Englerk | 67 | Head | — | New York |
| 17 | Martha M. Englerk | 63 | Wife | — | New York |
| 18 | Bernard Englerk | 12 | Son | — | New York |
| 19 | Wesley Doecher | 29 | Head | Buffer | New York |
| 20 | Clara Doecher | 31 | Wife | — | New York |
| 21 | Doris Doecher | 9 | Daughter | — | New York |
| 22 | Joan Doecher | 6 | Daughter | — | New York |
| 23 | Barbara Doecher | 4 | Daughter | — | New York |
| 24 | Donald Salisbury | 14 | Lodger | — | New York |
| 25 | Maud Luckenhand | 49 | Mother-in-law | Cook | New York |
| 26 | William Heck | 30 | Head | Optical Goods Assembler | New York |
| 27 | Yvonne Heck | 27 | Wife | — | Massachusetts |
| 28 | Doris Heck | 6 | Daughter | — | New York |
| 29 | Raymond Heck | 3 | Son | — | New York |
| 30 | Albert Heck | 2 | Son | — | New York |
| 31 | Nicholas | 58 | Father | Machinist | Jugoslavia |
| 32 | Mary | 55 | Mother | — | Jugoslavia |
| 33 | Francis Pettinger | 66 | Head | Alteration | New York |
| 34 | George W. Pettinger | 35 | Son | Service Manager | New York |
| 35 | Olive Westcott | 58 | Sister | — | New York |
| 36 | Harry Miller | 36 | Head | Roll Coater | New York |
| 37 | Ann Miller | 35 | Wife | — | Scotland |
| 38 | Melvin Miller | 7 | Son | — | New York |
| 39 | Barbara A. Miller | 5 | Daughter | — | New York |
| 40 | Ann R. Miller | 2 | Daughter | — | New York |
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)