JC
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.~1928), then head of a 11-person household.
Age 12
b. ~1928
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 | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Conley | Head | — | 47 | ~1893 |
| Dorothy Conley | Daughter | — | 14 | ~1926 |
| Joseph Conley | Son | — | 1 | ~1939 |
| Margaret Conley | Daughter | — | 19 | ~1921 |
| Mary Conley | Daughter | — | 9 | ~1931 |
| James Conley | Son | — | 16 | ~1924 |
| John Conley | Son | — | 12 | ~1928 |
| Catherine Conley | Spouse | — | 47 | ~1893 |
| Ruth Conley | Daughter | — | 21 | ~1919 |
| Catherine Conley | Daughter | — | 23 | ~1917 |
| James Boyles | Other | — | 60 | ~1880 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Gr Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 12
Allegheny-County, Pennsylvania · implied b. ~1928 — 11 household members
| Surname | Conley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 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 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Conley
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Conley
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conley
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Conley
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Conley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Conley
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conley
Sibling · 1940 · age 1
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
35 people indexed on this census page (nara:1940:m-t0627-03672-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Carl Edmundson | 55 | Head | Roller | South Carolina |
| 3 | Elizabeth Edmundson | 53 | Wife | — | Ohio |
| 4 | Albert Swartz | 25 | Daughter | — | Pennsylvania |
| 5 | Ernest Swartz | 13 | Son | — | Pennsylvania |
| 6 | William Ellanes | 43 | Head | Wrecker | North Carolina |
| 7 | Irene Ellanes | 39 | Wife | — | Georgia |
| 8 | Christina Matties | 43 | Head | — | Virginia |
| 9 | Walter Clarks | 55 | Head | Boiler Maker | Mississippi |
| 10 | Laura Clarks | 54 | Wife | — | Mississippi |
| 11 | Jennie Henry | 55 | Head | — | Mississippi |
| 12 | Robert Haulston | 39 | Head | Road Builder | Virginia |
| 13 | Edward Haulston | 22 | Brother | Coal Digger | Virginia |
| 16 | James Conley | 47 | Head | Machinist | Pennsylvania |
| 17 | Catherine Conley | 47 | Wife | — | Pennsylvania |
| 18 | Catherine Conley | 23 | Daughter | — | Pennsylvania |
| 19 | Ruth Conley | 21 | Daughter | Office Clerk | Pennsylvania |
| 20 | Margaret Conley | 19 | Daughter | — | Pennsylvania |
| 21 | James Conley | 16 | Son | — | Pennsylvania |
| 22 | Dorothy Conley | 14 | Daughter | — | Pennsylvania |
| 23 | John Conley THIS PERSON | 12 | Son | — | Pennsylvania |
| 24 | Mary Agnes Conley | 9 | Daughter | — | Pennsylvania |
| 25 | Joseph Conley | 1 | Son | — | Pennsylvania |
| 26 | James Boyles | 60 | Lodger | — | Pennsylvania |
| 27 | Mike Malich | 53 | Head | Weaver | Pennsylvania |
| 28 | Ella Malich | 26 | Daughter | Housekeeper | Pennsylvania |
| 29 | Glenn Malich | 21 | Son | Clerk | Pennsylvania |
| 30 | Arthur Malich | 18 | Son | Pattern Maker | Pennsylvania |
| 31 | John Malich | 64 | Head | Proprietor | Pennsylvania |
| 32 | May Malich | 51 | Wife | Cook | Pennsylvania |
| 33 | William Malich | 21 | Son | Helper | Pennsylvania |
| 34 | George Malich | 18 | Son | New Trucker | Pennsylvania |
| 35 | Betty Jane Malich | 16 | Daughter | — | Pennsylvania |
| 36 | Martin Schumaker | 53 | Lodger | Helper | Pennsylvania |
| 39 | Charles Schluterman | 55 | Head | Blacksmith | Pennsylvania |
| 40 | Anna Schluterman | 46 | 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)