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John Conley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Conley across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Conley | Spouse | — | 44 | ~1896 |
| Edward Conley | Son | — | 12 | ~1928 |
| Edward Conley | Head | — | 46 | ~1894 |
| Colletta Conley | Daughter | — | 8 | ~1932 |
| John Conley | Son | — | 14 | ~1926 |
| Ellen Conley | Daughter | — | 20 | ~1920 |
| James Conley | Son | — | 11 | ~1929 |
| Thomas Conley | Son | — | 6 | ~1934 |
| Elizabeth Conley | Daughter | — | 17 | ~1923 |
| Mary Conley | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 14
Allegheny-County, Pennsylvania · implied b. ~1926 — 10 household members
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Conley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Conley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Conley
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Colletta Conley
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Conley
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Conley
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conley
Sibling · 1940 · age 11
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03675-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laura Klages | 50 | Head | Assistant Stock Buyer | Pennsylvania |
| 42 | Henrietta Klages | 43 | Sister | Teacher | Pennsylvania |
| 43 | John Homyak | 42 | Head | Labor | Pennsylvania |
| 44 | Anne Homyak | 37 | Wife | — | Pennsylvania |
| 45 | Olga Homyak | 15 | Daughter | — | Pennsylvania |
| 46 | Leonard Homyak | 11 | Son | — | Pennsylvania |
| 47 | Eugene Homyak | 7 | Son | — | Pennsylvania |
| 48 | Clarence William Kerr | 39 | Head | Salesman | West Virginia |
| 49 | Mary Anna Kerr | 39 | Wife | — | West Virginia |
| 50 | Mary Patricia Kerr | 15 | Daughter | — | West Virginia |
| 51 | William Perry Kerr | 9 | Son | — | West Virginia |
| 52 | Joseph Vorndran | 31 | Head | Route Farmer | Pennsylvania |
| 53 | Edith Vorndran | 26 | Wife | — | Pennsylvania |
| 54 | Edward Conley | 46 | Head | Superintendent | Pennsylvania |
| 55 | Catherine Conley | 44 | Wife | — | Ohio |
| 56 | Ellen Conley | 20 | Daughter | Stenographer | Pennsylvania |
| 57 | Mary Grace Conley | 18 | Daughter | Operator | Pennsylvania |
| 58 | Elizabeth Conley | 17 | Daughter | — | Pennsylvania |
| 59 | John Conley THIS PERSON | 14 | Son | — | Pennsylvania |
| 60 | Edward Conley | 12 | Son | — | Pennsylvania |
| 61 | James Conley | 11 | Son | — | Pennsylvania |
| 62 | Colletta Mary Conley | 8 | Daughter | — | Pennsylvania |
| 63 | Thomas Conley | 6 | Son | — | Pennsylvania |
| 64 | Edward D. Johnson | 50 | Head | Chief Clerk | Pennsylvania |
| 65 | Olive M. Johnson | 50 | Wife | — | Pennsylvania |
| 66 | Amelia Jeske | 90 | Mother-in-law | — | Germany |
| 67 | John Jackson | 70 | Head | — | Pennsylvania |
| 68 | Paul Ulrich | 36 | Son-in-law | Gear Cutter | Pennsylvania |
| 69 | Evelyn Ulrich | 29 | Daughter | — | Pennsylvania |
| 70 | Alfred E. Baker | 59 | Head | Vocational Teacher | England |
| 71 | Robert A. Baker | 25 | Son | Observer | Pennsylvania |
| 72 | Howard G. Baker | 20 | Son | — | Pennsylvania |
| 73 | Marion E. Baker | 18 | Daughter | Stenographer | Pennsylvania |
| 74 | Loretta Ulrich | 8 | Daughter | — | Pennsylvania |
| 75 | Benjamin J. Swartz | 55 | Head | Salesman | Pennsylvania |
| 76 | Margaret F. Swartz | 44 | Wife | — | Illinois |
| 77 | John C. Swartz | 22 | Son | Junior Engineer | Pennsylvania |
| 78 | George Pistner | 51 | Head | Clerk | Pennsylvania |
| 79 | Mildred M. Pistner | 46 | Wife | — | Pennsylvania |
| 80 | Joanne Pistner | 18 | Daughter | — | 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)