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Mary Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Mcdonough across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 8-person household.
Age 57
b. ~1883
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | NORTH BRADDOCK |
| 1935 Residence (County) | ALLEGHENY |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | No No No No H |
| Industry | 5 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birthplace (normalized) | irish free state |
| Occupation | No No No No H |
| Township / Ward | North Braddock |
| Est. Birth Year | ~1883 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Julia Mason | Daughter | — | 25 | ~1915 |
| Mary Mcgaferty | Daughter | — | 28 | ~1912 |
| Dudley Mcdonough | Head | — | 58 | ~1882 |
| John Mcgaferty | Other | — | 5 | ~1935 |
| Edward Mason | Other | — | 2 | ~1938 |
| Joseph Mcdonough | Son | — | 30 | ~1910 |
| Michael Mcdonough | Son | — | 20 | ~1920 |
| Mary Mcdonough | Spouse | — | 57 | ~1883 |
Census Appearances
1930
Allegheny, Pennsylvania
Spouse, age 45
Allegheny, Pennsylvania · implied b. ~1885 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 23 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Allegheny-County, Pennsylvania
Spouse, age 57
Allegheny-County, Pennsylvania · implied b. ~1883 — 8 household members
| Surname | McDonough |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | NORTH BRADDOCK |
| 1935 Residence (County) | ALLEGHENY |
| Naturalization Status | Naturalized |
| Occupation | No No No No H |
| Industry | 5 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birthplace (normalized) | irish free state |
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 Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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Anchor record
Mary Mcdonough
Spouse · 1940 · age 57 · b. ~1883 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
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1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03413-00057)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Mangan | 22 | Son | No No No No S | Penna |
| 2 | Charles Mangan | 20 | Son | No No Yes | Penna |
| 3 | Leo A. Jr. Mangan | 19 | Son | No Yes | Penna |
| 4 | Regis Mangan | 17 | Son | No No No No S | Penna |
| 5 | Margaret B Mangan | 15 | Daughter | No No No No S | Penna |
| 6 | Bernard Mangan | 6 | Son | — | Penna |
| 7 | John Coyne | 39 | Head | Labor | Irish Free State |
| 8 | Mamie B Coyne | 35 | Wife | No No No No H | Penna |
| 9 | Margaret Coyne | 13 | Daughter | — | Penna |
| 10 | Carolyn Coyne | 9 | Daughter | — | Penna |
| 11 | John Coyne | 5 | Son | — | Penna |
| 12 | John Y Mcewen | 54 | Head | Policeman | Penna |
| 13 | Florence Mcewen | 50 | Wife | No No No No H | Penna |
| 14 | Fred Mcewen | 24 | Son | Skilled Labor | Penna |
| 15 | Albert Harrison | 30 | Lodger | Clerk | Penna |
| 16 | John T. Sr Conroy | 49 | Head | Conductor | Penna |
| 17 | Bertha M. Conroy | 49 | Wife | No No No No H | Penna |
| 18 | Mary M. Conroy | 23 | Daughter | 26 | Penna |
| 19 | Ralph J. Conroy | 20 | Son | No Yes | Penna |
| 20 | John T. Jr Conroy | 18 | Son | No No No No S | Penna |
| 21 | Edward Conroy | 14 | Son | No No No No S | Penna |
| 22 | Dudley Mcdonough | 58 | Head | Labor | Irish Free State |
| 23 | Mary Mcdonough THIS PERSON | 57 | Wife | No No No No H | Irish Free State |
| 24 | Joseph Mcdonough | 30 | Son | Labor | Penna |
| 25 | Michael Mcdonough | 20 | Son | Labor | Penna |
| 26 | Mary Mcgaferty | 28 | Daughter | No No No No H | Penna |
| 27 | John Mcgaferty | 5 | Grand-Son | — | Penna |
| 28 | Julia Mason | 25 | Daughter | Waitress | Penna |
| 29 | Edward Mason | 2 | Grand-Son | — | Penna |
| 30 | Paul Uhlaky | 47 | Head | Water-Tender | Czecho-Slovak |
| 31 | Susie Uhlaky | 45 | Wife | No No No No H | Czecho-Slovak |
| 32 | Albert Uhlaky | 13 | Son | No No No No S | Penna |
| 33 | Michael F. Uhlaky | 18 | Son | No Yes | Penna |
| 34 | George Uhlaky | 50 | Head | Keeper | Czecho-Slovak |
| 35 | Barbara Uhlaky | 50 | Wife | No No No No H | Czecho-Slovak |
| 36 | George Uhlaky | 18 | Son | No No No No S | Penna |
| 37 | Nicholas Andreiko | 35 | Head | Sapar-Man | Penna |
| 38 | Mary Andreiko | 30 | Wife | No No No No H | Slovakia |
| 39 | Henry Tegehoff | 41 | Head | Labor | Penna |
| 40 | Sarah Tegehoff | 43 | Wife | No No No No H | Penna |
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)