JC
John Conley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this John Conley across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 13-person household.
Age 16
b. ~1924
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Yonkers |
| 1935 Residence (County) | Westchester |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Yonkers |
| Est. Birth Year | ~1924 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Donald Conley | Son | — | 8 | ~1932 |
| Margaret Conley | Daughter | — | 13 | ~1927 |
| Arthur Conley | Son | — | 18 | ~1922 |
| Edmund Conley | Son | — | 11 | ~1929 |
| Lawrence Conley | Son | — | 15 | ~1925 |
| Raymond Conley | Son | — | 20 | ~1920 |
| Joan Conley | Daughter | — | 3 | ~1937 |
| Runa Conley | Head | — | 40 | ~1900 |
| John Conley | Son | — | 16 | ~1924 |
| Thomas Conley | Son | — | 7 | ~1933 |
| Patricia Conley | Daughter | — | 5 | ~1935 |
| Florence Conley | Daughter | — | 14 | ~1926 |
| Joseph Conley | Son | — | 19 | ~1921 |
Census Appearances
1930
Westchester, New …
Son, age 6
Westchester, New York · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| 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
Westchester-County, New …
Son, age 16
Westchester-County, New York · implied b. ~1924 — 13 household members
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Yonkers |
| 1935 Residence (County) | Westchester |
| Highest Grade | Hs 3 |
| 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 Conley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conley
Son · 1940 · age 16 · b. ~1924 · New York
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Sibling
Edmund Conley
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Conley
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Conley
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Conley
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Conley
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Conley
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Conley
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Conley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Conley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Conley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conley
Sibling · 1940 · age 19
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
40 people indexed on this census page (nara:1940:m-t0627-02865-00167)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mae (X) Kompala | 30 | Wife | — | Poland |
| 2 | Constance Kompala | 7 | Daughter | — | New York |
| 3 | Ignatz Mulezynski | 43 | Uncle | Boilermaker | Poland |
| 4 | Edward Mischay | 23 | Head | Finisher | New York |
| 5 | Margaret C (X) Mischay | 20 | Wife | Finisher | New York |
| 6 | Runa (X) Conley | 40 | Head | — | New York |
| 7 | Raymond Conley | 20 | Son | Timekeeper | New York |
| 8 | Joseph J Conley | 19 | Son | Clerk | New York |
| 9 | Arthur Conley | 18 | Son | Landscaper | New York |
| 10 | John Conley THIS PERSON | 16 | Son | — | New York |
| 11 | Lawrence Conley | 15 | Son | — | New York |
| 12 | Florence Conley | 14 | Daughter | — | New York |
| 13 | Margaret Conley | 13 | Daughter | — | New York |
| 14 | Edmund Conley | 11 | Son | — | New York |
| 15 | Donald Conley | 8 | Son | — | New York |
| 16 | Thomas Conley | 7 | Son | — | New York |
| 17 | Patricia Conley | 5 | Daughter | — | New York |
| 18 | Joan Conley | 3 | Daughter | — | New York |
| 19 | Thomas Moynihan | 41 | Head | Landscaper | Ireland Eire |
| 20 | Mary (X) Moynihan | 38 | Wife | — | Ireland Eire |
| 21 | Ann Moynihan | 11 | Daughter | — | New York |
| 22 | Virginia Moynihan | 10 | Daughter | — | New York |
| 23 | Thomas Moynihan | 7 | Son | — | New York |
| 24 | Theresa A Moynihan | 5 | Daughter | — | New York |
| 25 | James Ab Moynihan | 4 | Son | — | New York |
| 26 | Margaret Ab Moynihan | 2 | Daughter | — | New York |
| 27 | John Ab Moynihan | 1 | Son | — | New York |
| 28 | James Levy | 60 | Head | Cleaner | Ireland Eire |
| 29 | Mary (X) Levy | 56 | Wife | — | New York |
| 30 | Josephine (X) King | 46 | Head | Finisher | New York |
| 31 | John J King | 21 | Son | Porter | New York |
| 32 | Charlotte (X) Donofrio | 52 | Head | Cook | Connecticut |
| 33 | Claire Donofrio | 15 | Daughter | — | New York |
| 34 | Gustav Kupfer | 33 | Head | Truck Driver | New York |
| 35 | Charlotte (X) Kupfer | 33 | Wife | — | New York |
| 36 | William Kupfer | 10 | Son | — | New York |
| 37 | Lois Irene Kupfer | 7 | Daughter | — | New York |
| 38 | Sarah Kupfer | 2 | Daughter | — | New York |
| 39 | Candido Vasquez | 44 | Head | Molder | Spain |
| 40 | Mary (X) Vasquez | 35 | Wife | — | Pennsylvania |
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)