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Joseph Kowalski — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Milwaukee, Wisconsin
Our Model Tree links this Joseph Kowalski across the 1920 and 1930 US Censuses in Milwaukee, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 8-person household.
Age 47
b. ~1883
Male
Head
Born: Wisconsin
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Milwaukee, Wisconsin |
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 21 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Occupation | Painter |
| Industry | Soldiers Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15.00 |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Painter |
| Township / Ward | Milwaukee City |
| Est. Birth Year | ~1883 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Bernard Kowalski | Son | — | 7 | ~1923 |
| Dolores Kowalski | Daughter | — | 1 | ~1929 |
| Rosa Kowalski | Daughter | — | 17 | ~1913 |
| John Kowalski | Son | — | 13 | ~1917 |
| Stanley Kowalski | Son | — | 12 | ~1918 |
| Julia Kowalski | Other | — | 47 | ~1883 |
| Edward Kowalski | Son | — | 9 | ~1921 |
| Joseph Kowalski | Head | — | 47 | ~1883 |
Census Appearances
1920
Milwaukee, Wisconsin
Head, age 38
Milwaukee, Wisconsin · implied b. ~1882 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Milwaukee, Wisconsin
Head, age 47
Milwaukee, Wisconsin · implied b. ~1883 — 8 household members
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 21 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Painter |
| Industry | Soldiers Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15.00 |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 (1920 and 1930) in Milwaukee, Wisconsin, using XGBoost record linkage.
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This person
Anchor record
Joseph Kowalski
Head · 1930 · age 47 · b. ~1883 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Milwaukee, Wisconsin
Open full size
1930 US Federal Census — Milwaukee, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2589unit:0553)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes Funk | 16 | Daughter | Looper | Wisconsin |
| 2 | Henry Funk | 15 | Son | — | Wisconsin |
| 3 | Leo Funk | 13 | Son | — | Wisconsin |
| 4 | Irene Funk | 11 | Daughter | — | Wisconsin |
| 5 | Teddy Funk | 9 | Son | — | Wisconsin |
| 6 | Raymond Funk | 7 | Son | — | Wisconsin |
| 7 | Edward Funk | 6 | Son | — | Wisconsin |
| 8 | Carl Funk | 4 | Son | — | Wisconsin |
| 9 | Dorothy Funk | 2 | Daughter | — | Wisconsin |
| 10 | Gerald Funk | 1 | Son | — | Wisconsin |
| 11 | Joseph Kowalski THIS PERSON | 47 | Head | Painter | Wisconsin |
| 12 | Julia Kowalski | 47 | Wife-H | — | Wisconsin |
| 13 | Rosa Kowalski | 17 | Daughter | — | Wisconsin |
| 14 | John Kowalski | 13 | Son | — | Wisconsin |
| 15 | Stanley Kowalski | 12 | Son | — | Wisconsin |
| 16 | Edward Kowalski | 9 | Son | — | Wisconsin |
| 17 | Bernard Kowalski | 7 | Son | — | Wisconsin |
| 18 | Dolores Kowalski | 1 | Daughter | — | Wisconsin |
| 19 | Joseph Graf | 50 | Head | Moulder | Wisconsin |
| 20 | Anna Graf | 50 | Wife-H | — | Germany |
| 21 | Harvey Graf | 17 | Son | — | Wisconsin |
| 22 | Orville Graf | 11 | Son | — | Wisconsin |
| 23 | John Gray | 22 | Head | Machine Hand | Minnesota |
| 24 | Hazel Gray | 22 | Wife-H | — | Wisconsin |
| 25 | Robert Gray | 3 | Son | — | Wisconsin |
| 26 | Ardith Gray | 1 | Daughter | — | Wisconsin |
| 27 | Joseph Jr. Gray | 24 | R | Truck Driver | Wisconsin |
| 28 | Silvia Gray | 19 | Wife-H | Clerk | Wisconsin |
| 29 | Charles Bratowski | 67 | Head | Laborer | Germany |
| 30 | Anton Stalkowski | 52 | Boarder | Laborer | Latvia |
| 31 | Joseph Rostkowski | 52 | Boarder | Laborer | Poland |
| 32 | Horace Rurza | 35 | Head | Laborer | Mexico |
| 33 | Virginia Rurza | 33 | Wife-H | — | Mexico |
| 34 | Dora Rurza | 12 | Daughter | — | Texas |
| 35 | Efren Rurza | 10 | Son | — | Texas |
| 36 | Arthur Rurza | 9 | Son | — | Texas |
| 37 | Dolores Rurza | 2 | Daughter | — | Wisconsin |
| 38 | Robert Rurza | 1 | Son | — | Wisconsin |
| 39 | Gustave Cantu | 17 | Step Son | — | Mexico |
| 40 | Joe Diaz | 32 | Boarder | Laborer | Mexico |
| 41 | Frank Farley | 53 | Head | Watchman | Wisconsin |
| 42 | Frances A. Farley | 56 | Wife-H | — | New York |
| 43 | Theo Sr. Schwalbach | 52 | Head | Sheet Iron Worker | Wisconsin |
| 44 | Theo Jr. Schwalbach | 19 | Son | — | Wisconsin |
| 45 | Agatha Michaels | 67 | Head | — | Germany |
| 46 | Madgalene Bergmann | 44 | Daughter | Packer | Indiana |
| 47 | Chester Mclaughlin | 52 | Head | Mechanic | New York State |
| 48 | Mayme Mclaughlin | 50 | Wife-H | — | Wisconsin |
| 49 | Warren Nikes | 32 | Head | Mechanic | Wisconsin |
| 50 | Marie Nikes | 63 | Mother | — | Denmark |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)