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Joseph Kowalski — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this Joseph Kowalski across the 1930 and 1940 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 21-person household.
Age 46
b. ~1884
Male
Head
Born: Poland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 27 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Laborer |
| Township / Ward | City Of Cleveland |
| Est. Birth Year | ~1884 |
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.
21 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Bernice Kowalski | Daughter | — | 8 | ~1922 |
| Bernice Kowalski | Daughter | — | 8 | ~1922 |
| Mary Kowalski | Daughter | — | 11 | ~1919 |
| Elizabeth Kowalski | Daughter | — | 2 | ~1928 |
| Frank Kowalski | Son | — | 17 | ~1913 |
| Mary Kowalski | Daughter | — | 11 | ~1919 |
| Joseph Kowalski | Son | — | 14 | ~1916 |
| Mathew Kowalski | Son | — | 8 | ~1922 |
| Edward Kowalski | Son | — | 1 | ~1929 |
| Helen Kowalski | Daughter | — | 10 | ~1920 |
| Stanley Kowalski | Son | — | 13 | ~1917 |
| John Kowalski | Son | — | 4 | ~1926 |
| Joseph Kowalski | Son | — | 14 | ~1916 |
| Casimir Kowalski | Son | — | ~1930 | |
| Helen Kowalski | Daughter | — | 10 | ~1920 |
| Anna Kowalski | Spouse | — | 39 | ~1891 |
| Stanley Kowalski | Son | — | 13 | ~1917 |
| Joseph Kowalski | Head | — | 46 | ~1884 |
| Frank Kowalski | Son | — | 17 | ~1913 |
| Adolph Kowalski | Son | — | 6 | ~1924 |
| Julia Kowalski | Daughter | — | 14 | ~1916 |
Census Appearances
1930
Cuyahoga, Ohio
Head, age 46
Cuyahoga, Ohio · implied b. ~1884 — 21 household members
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 27 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Cuyahoga-County, Ohio
Head, age 55
Cuyahoga-County, Ohio · implied b. ~1885 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Cleveland city |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | Naturalized |
| Occupation | laborer |
| Industry | cement mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No |
| 1935 Residence | Same House |
| 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 · 1930 · age 46 · b. ~1884 · Ohio
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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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
25 people indexed on this census page (ia:1930:ohiocensus00reel1767:0121)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Rose | 23 | Head | Laborer | Ohio |
| 2 | Genevieve Rose | 21 | Wife | — | Ohio |
| 3 | Dolores Rose | 3 | Daughter | — | Ohio |
| 4 | Fred Jr. Rose | 1 | Son | — | Ohio |
| 5 | Joseph Kowalski THIS PERSON | 46 | Head | Laborer | Poland |
| 6 | Anna Kowalski | 39 | Wife | — | Poland |
| 7 | Frank Kowalski | 17 | Son | — | Ohio |
| 8 | Joseph Kowalski | 14 | Son | — | Ohio |
| 9 | Stanley Kowalski | 13 | Son | — | Ohio |
| 10 | Mary Kowalski | 11 | Daughter | — | Ohio |
| 11 | Helen Kowalski | 10 | Daughter | — | Ohio |
| 12 | Bernice Kowalski | 8 | Daughter | — | Ohio |
| 13 | Adolph Kowalski | 6 | Son | — | Ohio |
| 14 | John Kowalski | 4 | Son | — | Ohio |
| 15 | Elizabeth Kowalski | 2 | Daughter | — | Ohio |
| 16 | Edward Kowalski | 1 | Son | — | Ohio |
| 17 | Casimir Kowalski | 0 | Son | — | Ohio |
| 18 | Mathew Kowalski | 8 | Son | — | Ohio |
| 19 | Julia Kowalski | 14 | Daughter | — | Ohio |
| 20 | Frank Kowalski | 17 | Son | — | Ohio |
| 21 | Joseph Kowalski | 14 | Son | — | Ohio |
| 22 | Stanley Kowalski | 13 | Son | — | Ohio |
| 23 | Mary Kowalski | 11 | Daughter | — | Ohio |
| 24 | Helen Kowalski | 10 | Daughter | — | Ohio |
| 25 | Bernice Kowalski | 8 | Daughter | — | Ohio |
Related Census Records
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)