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Joseph Kowalski — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, New Jersey
Our Model Tree links this Joseph Kowalski across the 1910 and 1920 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1901), then head of a 10-person household.
Age 19
b. ~1901
Male
Son
Born: Russia
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, New Jersey |
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | Rivet Heater |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Russia |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | russia |
| Occupation | Rivet Heater |
| Township / Ward | Newark |
| Est. Birth Year | ~1901 |
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 |
|---|---|---|---|---|
| William Kowalski | Son | — | 10 | ~1910 |
| Joseph Kowalski | Son | — | 19 | ~1901 |
| Helen Kowalski | Daughter | — | 15 | ~1905 |
| Natalie Kowalski | Daughter | — | 3 | ~1917 |
| Mary Kowalski | Spouse | — | 39 | ~1881 |
| Alice Kowalski | Daughter | — | 5 | ~1915 |
| Henry Kowalski | Son | — | 17 | ~1903 |
| Frank Kowalski | Head | — | 42 | ~1878 |
| Catherine Kowalski | Daughter | — | 9 | ~1911 |
| Raymond Kowalski | Son | — | 16 | ~1904 |
Census Appearances
1910
Warren, New …
Son, age 9
Warren, New Jersey · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1920
Essex, New …
Son, age 19
Essex, New Jersey · implied b. ~1901 — 10 household members
| Surname | Kowalski |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Rivet Heater |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Russia |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | russia |
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 (1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Kowalski
Son · 1920 · age 19 · b. ~1901 · New Jersey
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Sibling
Henry Kowalski
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Kowalski
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Kowalski
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Natalie Kowalski
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kowalski
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kowalski
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Kowalski
Sibling · 1920 · age 9
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 — Essex, New Jersey
Open full size
1920 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1036unit:0841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alex Janowski | 9 | Son | None | New York |
| 2 | Matthew Janowski | 5 | Son | None | New York |
| 3 | Alice Janowski | 3 | Daughter | None | New Jersey |
| 4 | Albert Janowski | 1 | Son | None | New Jersey |
| 5 | Joseph Fredale | 34 | Head | Laborer | Austria |
| 6 | Agnes Fredale | 30 | Wife | None | Austria |
| 7 | Rose Fredale | 8 | Daughter | None | New Jersey |
| 8 | Francis Fredale | 7 | Daughter | None | New Jersey |
| 9 | Anna Fredale | 4 | Daughter | None | New Jersey |
| 10 | Joseph Fredale | 3 | Son | None | New Jersey |
| 11 | Alexander Benjuk | 37 | Boarder | Laborer | Austria |
| 12 | Bartlo Roshowski | 36 | Boarder | Laborer | Austria |
| 13 | Samuel Meloka | 27 | Boarder | Laborer | Austria |
| 14 | Frank Kowalski | 42 | Head | Laborer | Russia |
| 15 | Mary Kowalski | 39 | Wife | None | Russia |
| 16 | Joseph Kowalski THIS PERSON | 19 | Son | Rivet Heater | Russia |
| 17 | Henry Kowalski | 17 | Son | Chauffeur | Russia |
| 18 | Raymond Kowalski | 16 | Son | Helper | Russia |
| 19 | Helen Kowalski | 15 | Daughter | Operator | Russia |
| 20 | William Kowalski | 10 | Son | None | New Jersey |
| 21 | Catherine Kowalski | 9 | Daughter | None | New Jersey |
| 22 | Alice Kowalski | 5 | Daughter | None | New Jersey |
| 23 | Natalie Kowalski | 3 | Daughter | None | New Jersey |
| 24 | Edward Reilly | 57 | Head | Janitor | Ireland |
| 25 | Ellen Reilly | 52 | Wife | None | Ireland |
| 26 | James Reilly | 25 | Son | Electrician | New Jersey |
| 27 | Edward Reilly | 23 | Son | Electrician | New Jersey |
| 28 | Thomas Reilly | 21 | Son | Ironworker | New Jersey |
| 29 | Elizabeth Reilly | 20 | Daughter | Clerk | New Jersey |
| 30 | Maria Reilly | 18 | Daughter | Clerk | New Jersey |
| 31 | Helen Reilly | 11 | Daughter | None | New Jersey |
| 32 | Maria Reilly | 2 | Wife | None | New York |
| 33 | William Doyle | 78 | Head | Clerk | Ireland |
| 34 | Eleanor M. Doyle | 75 | Wife | None | Michigan |
| 35 | Francis E. Fitzgerald | 21 | Boarder | Helper | Michigan |
| 36 | Thomas J. Colmoir | 34 | Head | Clerk | New Jersey |
| 37 | Alice J. Colmoir | 32 | Sister | None | New Jersey |
| 38 | Sarah Brady | 60 | Head | None | New Jersey |
| 39 | Frank Burrows | 67 | Head | Carpenter | New Jersey |
| 40 | Margaret Burrows | 60 | Wife | None | New Jersey |
| 41 | John Allen | 57 | Head | Watchman | New York |
| 42 | Mary Allen | 44 | Wife | None | New Jersey |
| 43 | Anna Allen | 28 | Daughter | Forelady | New York |
| 44 | John Allen | 27 | Son | Ship Clerk | New York |
| 45 | Alice G. Halpin | 33 | Head | Ins. Agent | New Jersey |
| 46 | Patrick J. Rodgers | 41 | Head | X-Rayer | New Jersey |
| 47 | Mary Rodgers | 40 | Wife | None | New Jersey |
| 48 | Jane Rodgers | 9 | Daughter | None | New Jersey |
| 49 | Charles Rodgers | 7 | Son | None | New Jersey |
| 50 | John J. Hayden | 42 | Head | Auditor | New Jersey |
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)