JL
James Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ulster-County, New York
Our Model Tree links this James Leonard across the 1920, 1930 and 1940 US Censuses in Ulster-County, New York (XGBoost, ~Confirmed), with identified parents John & Thomas — first a son (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ulster-County, New York |
| Surname | Leonard |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | City of Kingston |
| 1935 Residence (County) | Ulster |
| Additional Details | |
| Occupation | Marine Captain |
| Industry | Marine Transportation |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Marine Captain |
| Township / Ward | City Of Kingston |
| Est. Birth Year | ~1908 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Thomas Leonard | Head | — | 71 | ~1869 |
| James Leonard | Son | — | 32 | ~1908 |
Census Appearances
1920
Ulster, New …
Son, age 12
Ulster, New York · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| 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
Ulster, New …
Son, age 23
Ulster, New York · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Pilot |
| Industry | Tug Boat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Ulster-County, New …
Son, age 32
Ulster-County, New York · implied b. ~1908 — 2 household members
| Surname | Leonard |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | City of Kingston |
| 1935 Residence (County) | Ulster |
| Occupation | Marine Captain |
| Industry | Marine Transportation |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 2000 |
| 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 James Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Leonard (~0.92 confidence) and father Thomas Leonard (~0.92 confidence) and mother Mary Leonard (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Leonard
b. ~1849
Source father
● Household
· direct · ~0.92
Father
Thomas Leonard
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Leonard
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Leonard
Son · 1940 · age 32 · b. ~1908 · 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 — Ulster-County, New York
Open full size
1940 US Federal Census — Ulster-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02794-00796)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Burns | 13 | Son | — | New York |
| 42 | M. J. Howard | 71 | Head | — | New York |
| 43 | Annie Howard | 67 | Wife | — | New York |
| 44 | Francis Howard | 28 | Son | Butcher | New York |
| 45 | Edward Howard | 65 | Brother | — | New York |
| 46 | Henry P. Kelsch | 62 | Head | Vegetable Market Clerk | New York |
| 47 | Barbara Kelsch | 67 | Wife | — | New York |
| 48 | J. L. Rechtenwald | 54 | Head | — | New York |
| 49 | Elizabeth Rechtenwald | 73 | Sister | — | New York |
| 50 | Adolph Wisneski | 42 | Head | Butcher | New York |
| 51 | Marie Wisneski | 40 | Wife | — | New York |
| 52 | Leo Wisneski | 20 | Son | Truck Driver | New York |
| 53 | Jean Wisneski | 16 | Daughter | — | New York |
| 54 | Robert Wisneski | 10 | Son | — | New York |
| 55 | Mary Ann Wisneski | 6 | Daughter | — | New York |
| 56 | Paul J. Stock | 24 | Head | Front Clerk | New York |
| 57 | Theresa Stock | 24 | Wife | Salesgirl | New York |
| 58 | Elizabeth Hemming | 64 | Head | — | New York |
| 59 | George Hemming | 30 | Son | Cable Splicer | New York |
| 60 | Cortland Hicks | 53 | Head | Mechanic | New York |
| 61 | Mary Hicks | 55 | Wife | — | New York |
| 62 | Nelson Lewis | 57 | Head | Meter Reader | New York |
| 63 | Violetta Lewis | 55 | Wife | — | New York |
| 64 | Nelson H. Lewis | 27 | Son | Service Man | New York |
| 65 | Clarence P. Hendricks | 37 | Head | Mason Contractor | New York |
| 66 | Dorothy Hendricks | 35 | Wife | — | New York |
| 67 | Clarence P. Jr. Hendricks | 0 | Son | — | New York |
| 68 | Philip Feeney | 37 | Head | Marine Superintendent | New York |
| 69 | Helen Feeney | 35 | Wife | — | New York |
| 70 | Doris Feeney | 20 | Daughter | — | New York |
| 71 | Margaret Feeney | 15 | Daughter | — | New York |
| 72 | Philip Feeney | 10 | Son | — | New York |
| 73 | Caroline Heavron | 44 | Head | School Teacher | New York |
| 74 | Edward Heavron | 73 | Father | — | Ireland |
| 75 | Glenford P. Baker | 28 | Head | Salesman | New York |
| 76 | Helen M. Baker | 28 | Wife | — | New York |
| 77 | Colleen Baker | 7 | Daughter | — | New York |
| 78 | Glenford Jr. Baker | 2 | Son | — | New York |
| 79 | Thomas Leonard | 71 | Head | Brick Burner | New York |
| 80 | James Leonard THIS PERSON | 32 | Son | Marine Captain | New York |
Pedigree Summary
James
Gen 1 · 3 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)