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William Jacobs — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this William Jacobs across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 2-person household.
Age 58
b. ~1882
Male
Head
Born: Poland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Poland |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Janitor |
| Industry | Office Building |
| Class of Worker | PW |
| Income (1939) | 900 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Janitor |
| Township / Ward | Tacoma City |
| Est. Birth Year | ~1882 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Jacobs | Head | — | 58 | ~1882 |
| Walter Jacobs | Son | — | 29 | ~1911 |
Census Appearances
1920
Pierce, Washington
Head, age 38
Pierce, Washington · implied b. ~1882 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacob |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1903 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Laborer |
| Industry | Pipe Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Pierce, Washington
Head, age 50
Pierce, Washington · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1902 |
| Age at First Marriage | 25 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Janitor |
| Industry | Office Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Pierce-County, Washington
Head, age 58
Pierce-County, Washington · implied b. ~1882 — 2 household members
| Surname | Jacobs |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Poland |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Naturalization Status | First papers filed |
| Occupation | Janitor |
| Industry | Office Building |
| Class of Worker | PW |
| Income (1939) | 900 |
| Highest Grade | No 0 |
| 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 58 · b. ~1882 · Washington
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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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04389-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Dalek | 60 | Head | Packing House | Slovakia |
| 2 | Anna Dalek | 60 | Wife | — | Slovakia |
| 3 | Vera Dalek | 30 | Daughter | Mill Worker | Montana |
| 4 | Angeline Dalek | 23 | Daughter | Cannery Worker | Montana |
| 5 | Richard Dalek | 16 | Son | — | Wash |
| 6 | Felix P. Vihonsky | 52 | Head | Packing House | Slovakia |
| 7 | Anna E. Vihonsky | 47 | Wife | — | Minnesota |
| 8 | Felix R. Vihonsky | 24 | Son | Chair Builder | Montana |
| 9 | John P. Vihonsky | 21 | Son | Furniture Maker | Montana |
| 10 | Charlie Tielada | 51 | Head | Liquor Salesman | Penn |
| 11 | Anna Tielada | 40 | Wife | — | Wash |
| 12 | Pauline Tielada | 21 | Daughter | Office Work | Wash |
| 13 | Frank J. Soikowski | 24 | Head | Door Factory | Wash |
| 14 | Joyce E. Soikowski | 23 | Wife | — | N. Dakota |
| 15 | Frank E. Soikowski | 2 | Son | — | Wash |
| 16 | Charlie L. Greeson | 34 | Head | Boilermaker | Missouri |
| 17 | Anoma E. Greeson | 30 | Wife | — | Oregon |
| 18 | Lois A. Greeson | 2 | Daughter | — | Oregon |
| 19 | Major Boyd | 53 | Head | — | Kentucky |
| 20 | Bessie Boyd | 50 | Wife | — | Kentucky |
| 21 | Edwin E. Bemiss | 60 | Head | Barber | Iowa |
| 22 | Helen M. Bemiss | 62 | Wife | — | Norway |
| 23 | Doris E. Bemiss | 18 | Daughter | New Worker | So. Dakota |
| 24 | William Jacobs THIS PERSON | 58 | Head | Janitor | Poland |
| 25 | Walter Jacobs | 29 | Son | Body & Fender Mech. | Wash |
| 26 | Fred A. Vanest | 72 | Head | Mechanic | New York |
| 27 | Roberta E. Vanest | 39 | Wife | — | Kansas |
| 28 | Gerald E. St Louis | 30 | Head | Seaman | Wash |
| 29 | Alvina H. St Louis | 27 | Wife | — | Scotland |
| 30 | Patricia D. St Louis | 3 | Daughter | — | Wash |
| 31 | Ervin, E. Tribby | 15 | Head | Archman | Indiana |
| 32 | Emma L. Tribby | 70 | Wife | — | Wisconsin |
| 33 | Ben F. Racz Kowski | 35 | Head | Blacksmith | New York |
| 34 | Emily A. Racz Kowski | 24 | Wife | — | Wash |
| 35 | Joan E. Racz Kowski | 3 | Daughter | — | Wash |
| 36 | John Schol | 44 | Head | Machine Attendant | Penn |
| 37 | Susan Schol | 39 | Wife | — | Montana |
| 38 | John M. Schol | 1 | Son | — | Wash |
| 39 | George Schol | 72 | Head | — | Austria |
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)