JL
Joseph Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Queens-County, New York
Our Model Tree links this Joseph Leonard across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed), with identified parents Michael & Mike — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | Leonard |
| Given Name | Joseph F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Queens |
| 1935 Residence (County) | Queens |
| Additional Details | |
| Occupation | Longshoreman |
| Industry | Ship Loading |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Longshoreman |
| Township / Ward | Queens |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Leonard | Head | — | 29 | ~1911 |
| Loretta Leonard | Daughter | — | 9 | ~1931 |
| Loretta Leonard | Spouse | — | 34 | ~1906 |
| Barbara Leonard | Daughter | — | 1 | ~1939 |
Census Appearances
1920
New York, …
Son, age 8
New York, New York · implied b. ~1912 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 19
New York, New York · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Queens-County, New …
Head, age 29
Queens-County, New York · implied b. ~1911 — 4 household members
| Surname | Leonard |
| Given Name | Joseph F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Queens |
| 1935 Residence (County) | Queens |
| Occupation | Longshoreman |
| Industry | Ship Loading |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Leonard (~0.92 confidence) and father Mike Leonard (~0.92 confidence) and mother Jane Leonard (~0.92 confidence) and mother Mary Leonard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Leonard
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Mike Leonard
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Jane Leonard
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Leonard
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Leonard
Head · 1940 · age 29 · b. ~1911 · New York
★ 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 — Queens-County, New York
Open full size
1940 US Federal Census — Queens-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02726-00833)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blossom Kunze | 20 | Daughter | Model | New York |
| 2 | Jerome Kunze | 10 | Son | — | New York |
| 3 | Henry Kunze | 73 | Father | — | Germany |
| 4 | Amelia Kunze | 61 | Mother | — | Germany |
| 5 | Anthony George | 43 | Head | Weigher | New York |
| 6 | Loretta George | 43 | Wife | — | New York |
| 7 | Gertrude George | 22 | Daughter | Stenography | New York |
| 8 | Irene George | 16 | Daughter | — | New York |
| 9 | Norbert Willie | 40 | Head | Chauffeur | New York |
| 10 | Doris Willie | 40 | Wife | — | England |
| 11 | Doris Willie | 8 | Daughter | — | New York |
| 12 | Mary Fitzpatrick | 45 | Servant | Housekeeping | New York |
| 13 | Thomas Moffett | 39 | Head | Patrolman | New York |
| 14 | Margaret Moffett | 30 | Wife | — | New York |
| 15 | Margaret Moffett | 9 | Daughter | — | New York |
| 16 | Thomas Jr Moffett | 4 | Son | — | New York |
| 17 | Sarah Breen | 55 | Mother-in-law | — | New York |
| 18 | John Breen | 34 | Brother-in-law | — | New York |
| 19 | Joseph Sornstein | 58 | Head | Hat Blocker | Poland |
| 20 | Tillia Sornstein | 54 | Wife | — | Hungary |
| 21 | Adolf Sornstein | 26 | Son | Postal Clerk | New Jersey |
| 22 | Nora Sornstein | 30 | Daughter | Traffic Clerk | New Jersey |
| 23 | Leonard Sornstein | 24 | Son | 62 | New York |
| 24 | Joseph F Leonard THIS PERSON | 29 | Head | Longshoreman | New York |
| 25 | Loretta Leonard | 34 | Wife | — | New York |
| 26 | Loretta Leonard | 9 | Daughter | — | New York |
| 27 | Barbara Leonard | 1 | Daughter | — | New York |
| 28 | William Sinclair | 51 | Head | Metal Worker | Scotland |
| 29 | Ellen Sinclair | 49 | Wife | — | Scotland |
| 30 | William Sinclair | 26 | Son | Bookkeeper | Scotland |
| 31 | Christina Sinclair | 25 | Daughter | Bookkeeper | Scotland |
| 32 | Henry Sinclair | 22 | Son | Draftsman | Scotland |
| 33 | Hans Banziger | 34 | Head | Florist | Switzerland |
| 34 | Herta Banziger | 28 | Wife | Telephone Operator | Germany |
| 35 | Benjamin Blau | 49 | Head | Bookkeeper | Hungary |
| 36 | Sara Blau | 42 | Wife | Telephone Operator | Russia |
| 37 | Gustave Schulthess | 43 | Roomer | Salesman | New York |
| 38 | Lillie Schulthess | 39 | Roomer | Operator | Russia |
| 39 | Hannah Scheppner | 75 | Mother-in-law | — | Russia |
| 40 | Sidney Rosenstein | 31 | Head | Weighmaster | New York |
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)