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John Leary — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this John Leary across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Leary |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Eastchester Town |
| 1935 Residence (County) | Westchester |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Silk Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Stenographer |
| Township / Ward | Eastchester Town |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jane Leary | Daughter | — | 35 | ~1905 |
| Jane Leary | Head | — | 69 | ~1871 |
| Margaret Leary | Daughter | — | 39 | ~1901 |
| Mary Leary | Daughter | — | 46 | ~1894 |
| Rose Leary | Daughter | — | 44 | ~1896 |
| John Leary | Son | — | 32 | ~1908 |
| Arthur Leary | Son | — | 26 | ~1914 |
Census Appearances
1930
Westchester, New …
Son, age 22
Westchester, New York · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Connecticut |
| Occupation | Salesman |
| Industry | Motor Corp 458V |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Westchester-County, New …
Son, age 32
Westchester-County, New York · implied b. ~1908 — 7 household members
| Surname | Leary |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Eastchester Town |
| 1935 Residence (County) | Westchester |
| Occupation | Stenographer |
| Industry | Silk Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 2 |
| 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 John Leary across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Leary
Son · 1940 · age 32 · b. ~1908 · New York
★ You are viewing this record
Sibling
Margaret Leary
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Leary
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Leary
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Leary
Sibling · 1940 · age 44
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Leary
Sibling · 1940 · age 46
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
1940 US Federal Census — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02803-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 3 | Herbert H. Fuller | 41 | Head | Commercial Artist | Rhode Island |
| 4 | Mary M. Fuller | 36 | Wife | — | England |
| 5 | Maryanne Fuller | 2 | Daughter | — | New York |
| 6 | Oliver P. Strothmathe | 40 | Head | Maintenance Man | Pennsylvania |
| 7 | Agnes Strothmathe | 35 | Wife | — | Pennsylvania |
| 8 | John Strothmathe | 12 | Son | — | New York |
| 9 | Evelyn Strothmathe | 9 | Daughter | — | New York |
| 10 | Charles Dreary | 46 | Head | Salesman | New York |
| 11 | Josephine Dreary | 45 | Wife | — | Pennsylvania |
| 12 | Mary Dreary | 15 | Daughter | Typist | New York |
| 13 | Rita Dreary | 11 | Daughter | — | Missouri |
| 14 | Patricia Dreary | 8 | Daughter | — | New York |
| 15 | Clarence Fletcher | 56 | Head | Automobile Mechanic | Vermont |
| 16 | Ellen Fletcher | 51 | Wife | — | Sweden |
| 17 | Estelle Rich | 50 | Head | — | New York |
| 18 | Marie Rich | 21 | Daughter | Stenographer | New York |
| 19 | William Rich | 20 | Son | Shipping Clerk | New York |
| 20 | John Rich | 19 | Son | Office Clerk | New York |
| 21 | Elizabeth Bell | 41 | Sister | Saleslady | New York |
| 22 | Archibald Mock | 23 | Lodger | Printer | Pennsylvania |
| 23 | Patrick White | 74 | Head | — | New York |
| 24 | Mary White | 70 | Wife | — | New York |
| 25 | Christopher White | 46 | Son | Bookkeeper | New York |
| 26 | Anne White | 45 | Daughter | Stenographer | New York |
| 27 | Catherine White | 36 | Daughter | Stenographer | New York |
| 28 | Joseph White | 33 | Son | Electrician | New York |
| 29 | William A. White | 30 | Son | — | New York |
| 30 | Henry A. Duffen | 66 | Head | Bookkeeping | New York |
| 31 | Catherine Duffen | 65 | Wife | — | New York |
| 32 | Gregory Duffen | 39 | Son | Secretary | New York |
| 33 | Rita Duffen | 27 | Daughter | Secretary | New York |
| 34 | Jane Leary | 69 | Head | — | New York |
| 35 | Mary Leary | 46 | Daughter | Stenographer | New York |
| 36 | Rose Leary | 44 | Daughter | Saleswoman | New York |
| 37 | Margaret Leary | 39 | Daughter | Stenographer | New York |
| 38 | Arthur Leary | 26 | Son | Plumber | New York |
| 39 | Jane Leary | 35 | Daughter | Nurse | New York |
| 40 | John Leary THIS PERSON | 32 | Son | Stenographer | New York |
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)