JL
Joseph Leonard — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Kings, New York
Our Model Tree links this Joseph Leonard across the 1900 and 1910 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 10-person household.
Age 10
b. ~1900
Male
Son
Born: New York
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Kings, New York |
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1900 |
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 1910 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Leonard | Daughter | — | 12 | ~1898 |
| Joseph Leonard | Head | — | 44 | ~1866 |
| Katherine Leonard | Daughter | — | 12 | ~1898 |
| John Leonard | Son | — | 14 | ~1896 |
| Mary Leonard | Daughter | — | 8 | ~1902 |
| Joseph Leonard | Son | — | 10 | ~1900 |
| Victor Leonard | Son | — | 1 | ~1909 |
| Mary Leonard | Spouse | — | 40 | ~1870 |
| Frank Leonard | Son | — | 3 | ~1907 |
| Stephen Leonard | Son | — | 6 | ~1904 |
Census Appearances
1900
Kings, New …
Son, age
Kings, New York · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Birth Month | Mch |
| Birth Year | 1900 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1910
Kings, New …
Son, age 10
Kings, New York · implied b. ~1900 — 10 household members
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Leonard across 2 US Census years (1900 and 1910) in Kings, New York, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Leonard
Son · 1910 · age 10 · b. ~1900 · New York
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Sibling
Stephen Leonard
Sibling · 1910 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Leonard
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Leonard
Sibling · 1910 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Leonard
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Leonard
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Leonard
Sibling · 1910 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Leonard
Sibling · 1910 · age 3
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
1910 US Federal Census — Kings, New York
Open full size
1910 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po966unit:0627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen Modicaki | 15 | Daughter | — | New York |
| 52 | Alice Modicaki | 11 | Daughter | — | New York |
| 53 | Joseph Leonard | 44 | Head | Laborer | Germany |
| 54 | Mary Leonard | 40 | Wife | — | Germany |
| 55 | John Leonard | 14 | Son | — | New York |
| 56 | Katherine Leonard | 12 | Daughter | — | New York |
| 57 | Elizabeth Leonard | 12 | Daughter | — | New York |
| 58 | Joseph Leonard THIS PERSON | 10 | Son | — | New York |
| 59 | Mary Leonard | 8 | Daughter | — | New York |
| 60 | Stephen Leonard | 6 | Son | — | New York |
| 61 | Frank Leonard | 3 | Son | — | New York |
| 62 | Victor Leonard | 1 | Son | — | New York |
| 63 | Andrew Spannhake | 47 | Head | Painter | Germany |
| 64 | Mary Spannhake | 46 | Wife | — | Germany |
| 65 | Mary Spannhake | 18 | Daughter | Servant | New York |
| 66 | Annie Spannhake | 16 | Daughter | Servant | New York |
| 67 | Kate Spannhake | 13 | Daughter | — | New York |
| 68 | Sophia Spannhake | 5 | Daughter | — | New York |
| 69 | Abraham Kaufman | 35 | Head | — | Russ-Polish |
| 70 | Lena Kaufman | 31 | Wife | Dressmaker | Russ-Polish |
| 71 | Margaret Kaufman | 9 | Daughter | — | New York |
| 72 | John Kaufman | 7 | Son | — | New York |
| 73 | Joseph Kaufman | 5 | Son | — | New York |
| 74 | Joseph Kaufman | 25 | Boarder | Laborer | Russ-Polish |
| 75 | William Korn | 43 | Head | Laborer | New York |
| 76 | Mary Korn | 44 | Wife | — | New York |
| 77 | William Korn | 21 | Son | Candymaker | New York |
| 78 | John Korn | 19 | Son | Moulder | New York |
| 79 | Elizabeth Korn | 15 | Daughter | — | New York |
| 80 | Charles Korn | 12 | Son | — | New York |
| 81 | Emma Korn | 10 | Daughter | — | New York |
| 82 | John Wilkens | 52 | Head | Laborer | Germany |
| 83 | Margaret Wilkens | 42 | Wife | — | Russ-Polish |
| 84 | John Wilkens | 14 | Son | — | Russ-Polish |
| 85 | Frances Wilkens | 12 | Daughter | — | Russ-Polish |
| 86 | Francis Wilkens | 1 | Son | — | New York |
| 87 | John Kozlowski | 24 | Boarder | Laborer | Russ-Polish |
| 88 | Stephen Kozlowski | 24 | Boarder | Laborer | Russ-Polish |
| 89 | Sigmund Kozlowski | 24 | Boarder | Laborer | Russ-Polish |
| 90 | John Kozlowski | 24 | Boarder | Laborer | Russ-Polish |
| 91 | Michael Kozlowski | 24 | Boarder | Laborer | Russ-Polish |
| 92 | David Kozlowski | 50 | Head | Laborer | Russ-Polish |
| 93 | William Kozlowski | 19 | Son | Woodworker | New York |
| 94 | Andrew Kozlowski | 12 | Son | — | New York |
| 95 | Andrew Czerwinski | 43 | Head | Baker | Russ-Polish |
| 96 | Julia Czerwinski | 43 | Wife | — | Russ-Polish |
| 97 | Victor Czerwinski | 21 | Son | Butcher | Russ-Polish |
| 98 | Irene Czerwinski | 17 | Daughter | — | Russ-Polish |
| 99 | Charles Czerwinski | 22 | Son-in-law | Baker | New York |
| 100 | Herman Czerwinski | 1 | Grandson | — | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)