MC
Mary Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Conroy across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 6-person household.
Age 43
b. ~1897
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Conroy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Duquesne City |
| Additional Details | |
| Highest Grade | 6 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Duquesne City |
| Est. Birth Year | ~1897 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Conroy | Spouse | — | 43 | ~1897 |
| Betty Conroy | Daughter | — | 12 | ~1928 |
| Edward Conroy | Son | — | 19 | ~1921 |
| Evelyn Conroy | Daughter | — | 14 | ~1926 |
| Joseph Conroy | Son | — | 16 | ~1924 |
| Edward Conroy | Head | — | 42 | ~1898 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 32
Allegheny, Pennsylvania · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | Mary A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 43
Allegheny-County, Pennsylvania · implied b. ~1897 — 6 household members
| Surname | Conroy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Duquesne City |
| Highest Grade | 6 |
| 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 Mary Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conroy
Spouse · 1940 · age 43 · b. ~1897 · Pennsylvania
★ You are viewing this record
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-t0627-03402-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Wright | 71 | Head | Librarian | Ohio |
| 2 | Lola Wright | 64 | Wife | — | Pennsylvania |
| 3 | Laura E. Davis | 87 | Mother-in-law | — | Pennsylvania |
| 4 | Henry Wells | 26 | Head | Shipper | Pennsylvania |
| 5 | Dolores Wells | 24 | Wife | — | Pennsylvania |
| 6 | Lawrence Kelley | 35 | Head | Proprietor | Pennsylvania |
| 7 | Mary Kelley | 32 | Wife | — | Pennsylvania |
| 8 | Donna Belle Kelley | 5 | Daughter | — | Pennsylvania |
| 9 | John Vasko | 44 | Head | Boilermaker | Pennsylvania |
| 10 | Barbara Vasko | 42 | Wife | — | Pennsylvania |
| 11 | John Vasko | 21 | Son | Boilermaker | Pennsylvania |
| 12 | Michael Vasko | 19 | Son | — | Pennsylvania |
| 13 | Vincent Vasko | 17 | Son | — | Pennsylvania |
| 14 | Mary Vasko | 16 | Daughter | — | Pennsylvania |
| 15 | Barbara Ann Vasko | 2 | Daughter | — | Pennsylvania |
| 16 | Annie Kelly | 36 | Head | — | Pennsylvania |
| 17 | Caryl Kelly | 18 | Daughter | Maid | Pennsylvania |
| 18 | Mary Kelly | 16 | Daughter | — | Pennsylvania |
| 19 | Jeanne Kelly | 11 | Daughter | — | Pennsylvania |
| 20 | Lloyd Kelly | 4 | Son | — | Pennsylvania |
| 21 | Edward Conroy | 42 | Head | Helper O. H. | Pennsylvania |
| 22 | Mary Conroy THIS PERSON | 43 | Wife | — | Pennsylvania |
| 23 | Edward Jr. Conroy | 19 | Son | — | Pennsylvania |
| 24 | Joseph Conroy | 16 | Son | — | Ohio |
| 25 | Evelyn Conroy | 14 | Daughter | — | Pennsylvania |
| 26 | Betty Jane Conroy | 12 | Daughter | — | Pennsylvania |
| 27 | Edward Collins | 53 | Head | Labor | Italy |
| 28 | Gertrude Collins | 49 | Wife | — | Pennsylvania |
| 29 | Edward Collins | 20 | Son | Labor | Pennsylvania |
| 30 | Marion Collins | 14 | Daughter | — | Pennsylvania |
| 31 | Gloria Collins | 12 | Daughter | — | Pennsylvania |
| 32 | John Griffiths | 54 | Brother-in-law | Labor | Pennsylvania |
| 33 | Flora Bitner | 53 | Lodger | Teacher | Pennsylvania |
| 34 | John C. Stiefel | 47 | Head | Boilermaker | Pennsylvania |
| 35 | Hilda Stiefel | 41 | Wife | — | Pennsylvania |
| 36 | Margaret Stiefel | 17 | Daughter | — | Pennsylvania |
| 37 | Mildred Yule | 31 | Lodger | Teacher | Pennsylvania |
| 38 | Carl Dormany | 33 | Head | Armature Winder | Pennsylvania |
| 39 | Florence Dormany | 30 | Wife | — | Pennsylvania |
| 40 | Carl Dormany | 7 | Son | — | 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)