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Joseph Kowalski — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this Joseph Kowalski across the 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 9-person household.
Age 60
b. ~1880
Male
Head
Born: Poland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | City of Milwaukee |
| 1935 Residence (County) | Milwaukee |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Shoe Salesman |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Income (1939) | 700 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Shoe Salesman |
| Township / Ward | City Of Milwaukee |
| Est. Birth Year | ~1880 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Helen Kowalski | Spouse | — | 53 | ~1887 |
| Sophie Kowalski | Daughter | — | 26 | ~1914 |
| Raymond Kowalski | Son | — | 13 | ~1927 |
| Angeline Kowalski | Daughter | — | 17 | ~1923 |
| Marceline Kowalski | Daughter | — | 11 | ~1929 |
| Dennis Kowalski | Other | — | 1 | ~1939 |
| Joseph Kowalski | Head | — | 60 | ~1880 |
| Virginia Kowalski | Daughter | — | 22 | ~1918 |
| Bernice Kowalski | Son | — | 16 | ~1924 |
Census Appearances
1930
Milwaukee, Wisconsin
Head, age 50
Milwaukee, Wisconsin · implied b. ~1880 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 22 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Salesman |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Milwaukee-County, Wisconsin
Head, age 60
Milwaukee-County, Wisconsin · implied b. ~1880 — 9 household members
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | City of Milwaukee |
| 1935 Residence (County) | Milwaukee |
| Naturalization Status | Naturalized |
| Occupation | Shoe Salesman |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Income (1939) | 700 |
| Highest Grade | No 3 |
| 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 Joseph Kowalski across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Joseph Kowalski
Head · 1940 · age 60 · b. ~1880 · Wisconsin
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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 — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04545-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charlotte Fuller | 65 | Head | — | Wisconsin |
| 2 | David E. Fuller | 39 | Son | Laborer | Wisconsin |
| 3 | Helen Fuller | 30 | Daughter | Sales Lady | Wisconsin |
| 4 | Oscar H. Howe | 42 | Son-in-law | Mechanic | Wisconsin |
| 5 | Elizabeth A. Howe | 41 | Daughter | — | Wisconsin |
| 6 | Charlotte Howe | 14 | Granddaughter | — | Wisconsin |
| 7 | William Helrich | 39 | Head | Truck Driver | Wisconsin |
| 8 | Carrie Helrich | 35 | Wife | — | Tennessee |
| 9 | William Jr. Helrich | 9 | Son | — | Wisconsin |
| 10 | William Haight | 18 | Head | Time Keeper | Wisconsin |
| 11 | Anna Collins | 51 | Aunt | — | Wisconsin |
| 12 | Louis Suban | 50 | Head | Florist | Yugoslavia |
| 13 | Mary Suban | 47 | Wife | Florist | Yugoslavia |
| 14 | Eleonore Suban | 25 | Daughter | Filer | Wisconsin |
| 15 | Lillian Suban | 23 | Daughter | At Home | Wisconsin |
| 16 | Virginia Suban | 16 | Daughter | — | Wisconsin |
| 17 | End Of Block 24 & Beginning Of Block 25 | None | — | — | — |
| 18 | Leonard Gruber | 31 | Head | Baker | Wisconsin |
| 19 | Anne Gruber | 26 | Wife | — | Wisconsin |
| 20 | Dennis Gruber | 1 | Son | — | Wisconsin |
| 21 | Rose Mclaughlin | 68 | Head | — | Wisconsin |
| 22 | Michael Sullivan | 42 | Head | Yard Conductor | Wisconsin |
| 23 | Mary Sullivan | 42 | Wife | Milliner | Wisconsin |
| 24 | Thomas Sullivan | 15 | Son | — | Wisconsin |
| 25 | Mary Anne Sullivan | 14 | Daughter | — | Wisconsin |
| 26 | Gerald Sullivan | 12 | Son | — | Wisconsin |
| 27 | Joan Sullivan | 9 | Daughter | — | Wisconsin |
| 28 | Joseph Kowalski THIS PERSON | 60 | Head | Shoe Salesman | Poland |
| 29 | Helen Kowalski | 53 | Wife | — | Poland |
| 30 | Sophie Kowalski | 26 | Daughter | Waitress | Wisconsin |
| 31 | Virginia Kowalski | 22 | Daughter | — | Wisconsin |
| 32 | Angeline Kowalski | 17 | Daughter | — | Wisconsin |
| 33 | Bernice Kowalski | 16 | Son | — | Wisconsin |
| 34 | Raymond Kowalski | 13 | Son | — | Wisconsin |
| 35 | Marceline Kowalski | 11 | Daughter | — | Wisconsin |
| 36 | Dennis Kowalski | 1 | Grandson | — | Wisconsin |
| 37 | Andrew Delaney | 76 | Head | Photographer | Scotland |
| 38 | Delfine Delaney | 69 | Wife | — | Michigan |
| 39 | Jake Grant | 35 | Lodger | Butcher | Wisconsin |
| 40 | April Kowalski | 32 | Head | Labourer | Michigan |
Related Census Records
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)