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Joseph Kowalski — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Wayne, Michigan
Our Model Tree links this Joseph Kowalski across the 1920 and 1930 US Censuses in Wayne, Michigan (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 10-person household.
Age 10
b. ~1910
Male
Son
Born: Michigan
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Wayne, Michigan |
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1910 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Riehs | Other | — | 25 | ~1895 |
| Sylvia Kowalski | Daughter | — | 8 | ~1912 |
| Joseph Kowalski | Son | — | 10 | ~1910 |
| Tony Kowalski | Head | — | 40 | ~1880 |
| Anastazia Kowalski | Spouse | — | 45 | ~1875 |
| Michal Kowalski | Son | — | 16 | ~1904 |
| Rozalia Riehs | Daughter | — | 21 | ~1899 |
| Waclaw Kowalski | Son | — | 18 | ~1902 |
| John Kowalski | Son | — | 12 | ~1908 |
| Bruno Kowalski | Son | — | 4 | ~1916 |
Census Appearances
1920
Wayne, Michigan
Son, age 10
Wayne, Michigan · implied b. ~1910 — 10 household members
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 19
Wayne, Michigan · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Wayne, Michigan, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Kowalski
Son · 1920 · age 10 · b. ~1910 · Michigan
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Sibling
Michal Kowalski
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Kowalski
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Kowalski
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Waclaw Kowalski
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bruno Kowalski
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rozalia Riehs
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Wayne, Michigan
Open full size
1920 US Federal Census — Wayne, Michigan
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu811unit:1126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jerome Opalewski | 1 | Son | — | Michigan |
| 52 | Anna Opalewski | 57 | Head | — | Poland |
| 53 | Frank Opalewski | 31 | Son | Metal Worker | Michigan |
| 54 | Martha Opalewski | 27 | Daughter | Cigar Maker | Michigan |
| 55 | Helen Opalewski | 24 | Daughter | Cigar Maker | Michigan |
| 56 | Joseph Opalewski | 21 | Son | Laborer | Michigan |
| 57 | Aniza Opalewski | 20 | Daughter | — | Michigan |
| 58 | Augusta Ehlen | 63 | Head | — | Poland |
| 59 | Hattie Ehlen | 30 | Daughter | Machinist | Michigan |
| 60 | Mary Ehlen | 28 | Daughter | Tailoress | Michigan |
| 61 | Cecilia Ehlen | 23 | Daughter | Clerk | Michigan |
| 62 | Lawrence Ehlen | 16 | Son | Machinist | Michigan |
| 63 | John Tuchewicz | 52 | Head | Machinist | Poland |
| 64 | Antonina Tuchewicz | 48 | Wife | — | Poland |
| 65 | Aniel Tuchewicz | 22 | Daughter | Cigar Maker | Michigan |
| 66 | Jennie Tuchewicz | 18 | Daughter | Core Maker | Michigan |
| 67 | Bronislawa Tuchewicz | 15 | Daughter | — | Michigan |
| 68 | Maria Tuchewicz | 13 | Daughter | — | Michigan |
| 69 | Alfons Tuchewicz | 8 | Son | — | Michigan |
| 70 | George Ilacs | 25 | Head | Machinist | Michigan |
| 71 | Eva Ilacs | 24 | Wife | — | Michigan |
| 72 | Charlotte Ilacs | 2 | Daughter | — | Michigan |
| 73 | George Ilacs | 0 | Son | — | Michigan |
| 74 | Frank Padak | 38 | Head | — | Michigan |
| 75 | Francis Padak | 30 | Wife | — | Michigan |
| 76 | Lenard Padak | 6 | Son | — | Michigan |
| 77 | Lorett Padak | 4 | Daughter | — | Michigan |
| 78 | John Marciniak | 22 | Head | Machinist | Austria |
| 79 | Ann Marciniak | 20 | Wife | — | Poland |
| 80 | Lucia Remanski | 19 | Lodger | Machinist | Michigan |
| 81 | Tony Kowalski | 40 | Head | Laborer | Poland |
| 82 | Anastazia Kowalski | 45 | Wife | — | Poland |
| 83 | Rozalia Riehs | 21 | Daughter | — | Poland |
| 84 | Joseph Riehs | 25 | Son-in-law | Machinist | Michigan |
| 85 | Waclaw Kowalski | 18 | Son | Machinist | Michigan |
| 86 | Michal Kowalski | 16 | Son | — | Michigan |
| 87 | John Kowalski | 12 | Son | — | Michigan |
| 88 | Joseph Kowalski THIS PERSON | 10 | Son | — | Michigan |
| 89 | Sylvia Kowalski | 8 | Daughter | — | Michigan |
| 90 | Bruno Kowalski | 4 | Son | — | Michigan |
| 91 | Jan Baranowski | 42 | Head | Laborer | Poland |
| 92 | Maria Baranowski | 37 | Wife | — | Poland |
| 93 | Maria Baranowski | 14 | Daughter | — | New Jersey |
| 94 | Stanley Baranowski | 35 | Brother | Laborer | Poland |
| 95 | Mieczyslaw Majewski | 26 | Head | Machinist | Poland |
| 96 | Aniela Majewski | 23 | Wife | — | Michigan |
| 97 | Wladislaw Majewski | 6 | Son | — | Michigan |
| 98 | Janina Majewski | 4 | Daughter | — | Michigan |
| 99 | Maria Majewski | 3 | Daughter | — | Michigan |
| 100 | Leonard Majewski | 0 | Son | — | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)