JL
John Leonard — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Union, New Jersey
Our Model Tree links this John Leonard across the 1920, 1930 and 1940 US Censuses in Union, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 5-person household.
Age 29
b. ~1891
Male
Head
Born: Poland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Union, New Jersey |
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Occupation | Packer |
| Industry | Wire Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Packer |
| Township / Ward | Elizabeth City |
| Est. Birth Year | ~1891 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sophia Leonard | Daughter | — | 2 | ~1918 |
| John Leonard | Head | — | 29 | ~1891 |
| Frank Kabel | Other | — | 32 | ~1888 |
| Stanley Leonard | Son | — | ~1920 | |
| Mary Leonard | Spouse | — | 23 | ~1897 |
Census Appearances
1920
Union, New …
Head, age 29
Union, New Jersey · implied b. ~1891 — 5 household members
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Packer |
| Industry | Wire Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Union, New …
Head, age 40
Union, New Jersey · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lenart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1910 |
| Age at First Marriage | 27 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Laborer |
| Industry | Wire factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| Home Owned/Rented | R |
| Home Value / Rent | 16 |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1940
Union-County, New …
Head, age 51
Union-County, New Jersey · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lenard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Poland |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Naturalization Status | Naturalized |
| Occupation | laborer |
| Industry | Wire Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1050 |
| Highest Grade | No 0 |
| 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 John Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Leonard
Head · 1920 · age 29 · b. ~1891 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Union, New Jersey
Open full size
1920 US Federal Census — Union, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1069unit:0847)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Victoria Ruhala | 2 | Daughter | None | New Jersey |
| 52 | Julia Ruhala | 0 | Daughter | None | New Jersey |
| 53 | Paul Pivoca | 30 | Head | Machinist | Poland |
| 54 | Mary Pivoca | 26 | Wife | None | Poland |
| 55 | Katie Pivoca | 9 | Daughter | None | New Jersey |
| 56 | Ellen Pivoca | 7 | Daughter | None | New Jersey |
| 57 | Anna Pivoca | 3 | Daughter | None | New Jersey |
| 58 | Edward Pivoca | 2 | Son | None | New Jersey |
| 59 | William Decow | 58 | Head | Stock Dept | Germany |
| 60 | Barbra Decow | 58 | Wife | None | Germany |
| 61 | William Decow | 30 | Son | None | New Jersey |
| 62 | Henry Decow | 29 | Son | Warehouseman | New Jersey |
| 63 | Minnie Decow | 28 | Daughter | None | New Jersey |
| 64 | Andrew Palewchas | 27 | Head | Ironworker | Galicia |
| 65 | Mary Palewchas | 18 | Wife | None | Pennsylvania |
| 66 | Walter Hastas | 25 | Head | Fireman | Galicia |
| 67 | Mary Hastas | 25 | Wife | None | Galicia |
| 68 | Katherine Hastas | 5 | Daughter | None | New Jersey |
| 69 | Molly Hastas | 4 | Daughter | None | New Jersey |
| 70 | Andrew Hastas | 2 | Son | None | New Jersey |
| 71 | Viola Hastas | 0 | Daughter | None | New Jersey |
| 72 | John Hoczat | 34 | Head | Machinist | Poland |
| 73 | Mary Hoczat | 27 | Wife | None | Poland |
| 74 | Stella Hoczat | 6 | Daughter | None | New Jersey |
| 75 | Alberia Hoczat | 3 | Daughter | None | New Jersey |
| 76 | Yadwega Hoczat | 1 | Daughter | None | New Jersey |
| 77 | Rose Hoczat | 0 | Daughter | None | New Jersey |
| 78 | Joseph Leonard | 33 | Head | Bartender | Poland |
| 79 | Katherine Leonard | 30 | Wife | None | Poland |
| 80 | John Leonard | 5 | Son | None | New Jersey |
| 81 | Helen Leonard | 4 | Daughter | None | New Jersey |
| 82 | John Leonard THIS PERSON | 29 | Head | Packer | Poland |
| 83 | Mary Leonard | 23 | Wife | None | Poland |
| 84 | Sophia Leonard | 2 | Daughter | None | New Jersey |
| 85 | Stanley Leonard | 0 | Son | None | New Jersey |
| 86 | Frank Kabel | 32 | Boarder | Carpenter | Poland |
| 87 | Julius Glocz | 48 | Head | Laborer | Poland |
| 88 | Alexandria Glocz | 35 | Wife | None | Poland |
| 89 | Josephine Glocz | 12 | Daughter | None | New Jersey |
| 90 | Bronislaw Glocz | 10 | Son | None | New Jersey |
| 91 | Anna Glocz | 5 | Daughter | None | New Jersey |
| 92 | Boleslaw Hudziak | 35 | Boarder | Assembler | Poland |
| 93 | Peter Gowellonis | 24 | Head | Bartender | Poland |
| 94 | Nellie Gowellonis | 26 | Wife | None | Poland |
| 95 | Virginia Gowellonis | 2 | Daughter | None | New Jersey |
| 96 | Julius Amisiewicz | 37 | Boarder | Carpenter | Poland |
| 97 | John Zelas | 45 | Head | Laborer | Poland |
| 98 | Katherine Zelas | 23 | Wife | None | Poland |
| 99 | Wanda Zelas | 1 | Daughter | None | New Jersey |
| 100 | John Zelas | 35 | Cousin | Carpenter | Poland |
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)