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Joseph Kowalski — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Joseph Kowalski across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Antony & Joseph — first a son (b.~1890), then head of a 2-person household.
Age 50
b. ~1890
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Kowalski |
| Given Name | Joseph Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit city |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1890 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Kowalski | Head | — | 75 | ~1865 |
| Joseph Kowalski | Son | — | 50 | ~1890 |
Census Appearances
1920
Wayne, Michigan
Son, age 29
Wayne, Michigan · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 40
Wayne, Michigan · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joseph Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 50
Wayne-County, Michigan · implied b. ~1890 — 2 household members
| Surname | Kowalski |
| Given Name | Joseph Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit city |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Antony Kowalski (~0.92 confidence) and father Joseph Kowalski (~0.92 confidence) and mother Mary Kowalski (~0.92 confidence) and mother Pauline Kowalski (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Antony Kowalski
b. ~1857
Source father
● Household
· direct · ~0.92
Father
Joseph Kowalski
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Kowalski
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Pauline Kowalski
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Kowalski
Son · 1940 · age 50 · b. ~1890 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01850-00293)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul Jones | 42 | lodger | Sewer Dept. | Tennessee |
| 2 | Cora Mitchell | 35 | lodger | — | North Carolina |
| 3 | Dorothy Mitchell | 6 | lodger | — | Michigan |
| 4 | Estella Hodges | 33 | lodger | — | Georgia |
| 5 | Henery Pitts | 32 | Head | Street Cleaner | Alabama |
| 6 | Margret Pitts | 25 | wife | — | Alabama |
| 7 | Clarence Pitts | 14 | daughter | — | Alabama |
| 8 | Genive Pitts | 11 | daughter | — | Alabama |
| 9 | Nelson Dansby | 20 | cousin | Alley Cleaner | Alabama |
| 10 | Viola Dansby | 15 | wife | — | Alabama |
| 11 | Nelson Jr. Dansby | 0 | cousin | — | Alabama |
| 12 | Louise Noble | 39 | Head | Seamstress | South Carolina |
| 13 | Oscar Noble | 10 | son | — | Tennessee |
| 14 | Anthony Seluski | 50 | Head | Furnace Installer | Michigan |
| 15 | Julia Seluski | 48 | wife | — | Michigan |
| 16 | Evelyn Seluski | 21 | daughter | Butter Wrapper | Michigan |
| 17 | Ralph Seluski | 16 | son | — | Michigan |
| 18 | James White | 57 | Head | Ditch Digger | Georgia |
| 19 | Anna White | 57 | wife | — | Georgia |
| 20 | Garret Werch | 45 | Head | Curber | Tennessee |
| 21 | Emma Werch | 56 | wife | — | Georgia |
| 22 | Kimbal Harris | 55 | Head | — | Georgia |
| 23 | Annie Harris | 50 | wife | — | Georgia |
| 24 | Charity Burns | 70 | mother | — | Georgia |
| 25 | Joel Wilkerson | 26 | Head | Inspector | Georgia |
| 26 | Henry Wilkerson | 5 | son | — | Pennsylvania |
| 27 | Shedrick Wilkerson | 20 | brother | New Worker | Georgia |
| 28 | Arlie Jackson | 32 | lodger | Housework | Georgia |
| 29 | Rose Jackson | 25 | Head | — | Georgia |
| 30 | Joseph Harris | 34 | lodger | Street Worker | Ohio |
| 31 | Lena Harris | 34 | wife | — | Georgia |
| 32 | John Kielas | 41 | Head | Mechanical Draftsman | Michigan |
| 33 | Mary Kielas | 44 | wife | — | Michigan |
| 34 | Irene Kielas | 16 | daughter | — | Michigan |
| 35 | Robert Kielas | 15 | son | — | Michigan |
| 36 | Helene Kielas | 11 | daughter | — | Michigan |
| 37 | Joseph Kowalski | 75 | Head | — | Poland |
| 38 | Joseph Jr. Kowalski THIS PERSON | 50 | son | — | Michigan |
| 39 | James Jackson | 29 | Head | Machinist | South Carolina |
| 40 | Elizabeth Jackson | 25 | wife | House Worker | South Carolina |
Related Census Records
Pedigree Summary
Joseph
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)