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John Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Conroy across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Baldwin Township |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Baldwin Township |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Conroy | Spouse | — | 46 | ~1894 |
| Betty Conroy | Daughter | — | 17 | ~1923 |
| Arthur Conroy | Son | — | 25 | ~1915 |
| John Conroy | Son | — | 15 | ~1925 |
| Robert Conroy | Son | — | 10 | ~1930 |
| Arthur Conroy | Head | — | 46 | ~1894 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 6 household members
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Baldwin Township |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conroy
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Robert Conroy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Conroy
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Conroy
Sibling · 1940 · age 25
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-t0627-03397-00393)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John B Fuchs | 34 | head | Labour | Germany |
| 42 | Lena Fuchs | 34 | wife | — | Germany |
| 43 | John B Jr Fuchs | 8 | son | — | Pennsylvania |
| 44 | Thomas J Cagney | 56 | head | Proprietor | Pennsylvania |
| 45 | Caroline M Cagney | 47 | wife | — | Pennsylvania |
| 46 | Mary Cagney | 23 | daughter | — | Pennsylvania |
| 47 | Thomas Cagney | 21 | son | — | Pennsylvania |
| 48 | Leona Koenig | 42 | head | Office Clerk | Pennsylvania |
| 49 | Edward Koenig | 22 | son | Butcher | Pennsylvania |
| 50 | Charles F Lenz | 62 | head | — | Germany |
| 51 | Minnie Lenz | 60 | wife | — | Pennsylvania |
| 52 | William Lenz | 21 | son | Apprentice | Pennsylvania |
| 53 | Arthur Conroy | 46 | head | Welder | Pennsylvania |
| 54 | Anna Conroy | 46 | wife | — | West Virginia |
| 55 | Arthur Conroy | 25 | son | Labour | Pennsylvania |
| 56 | Betty Conroy | 17 | daughter | — | Pennsylvania |
| 57 | John Conroy THIS PERSON | 15 | son | — | Pennsylvania |
| 58 | Robert Conroy | 10 | son | — | Pennsylvania |
| 59 | Thomas Simmons | 23 | head | Brakeman | Pennsylvania |
| 60 | Catherine Simmons | 18 | wife | — | Pennsylvania |
| 61 | Janice Simmons | 0 | daughter | — | Pennsylvania |
| 62 | Charles Adkins | 48 | head | Labour | Ohio |
| 63 | Leona Adkins | 36 | wife | — | Pennsylvania |
| 64 | Dorothy Adkins | 15 | daughter | — | Pennsylvania |
| 65 | Samuel Cassilla | 29 | head | Draftsman | Pennsylvania |
| 66 | Irene Cassilla | 24 | wife | — | Pennsylvania |
| 67 | Alfonso Cassilla | 3 | son | — | Pennsylvania |
| 68 | Monty Cassilla | 1 | son | — | Pennsylvania |
| 69 | Anton Warzynski | 46 | head | — | New York |
| 70 | Florence Warzynski | 21 | daughter | Box Making | Pennsylvania |
| 71 | John B Martin | 44 | head | Salesman | Ohio |
| 72 | Mary M Martin | 42 | wife | — | Ohio |
| 73 | William Sheridan | 12 | stepson | — | Ohio |
| 74 | Winfield Dean | 52 | head | — | Pennsylvania |
| 75 | James M Dean | 24 | son | Apprentice Caterer | Pennsylvania |
| 76 | Winifred Dean | 21 | daughter | Housework | Pennsylvania |
| 77 | Rosemary Dean | 18 | daughter | — | Pennsylvania |
| 78 | Florence Dean | 14 | daughter | — | Pennsylvania |
| 79 | Joseph Bentall | 14 | boarder | — | Pennsylvania |
| 80 | Peter Soloney | 9 | boarder | — | 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)