TM
Thomas Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Mcdonough across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 7-person household.
Age 61
b. ~1879
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Own Worker |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | G-5 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Carpenter |
| Township / Ward | Swissvale Borough |
| Est. Birth Year | ~1879 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Lewis Larson | Other | — | 79 | ~1861 |
| Thomas Mcdonough | Head | — | 61 | ~1879 |
| Anna Mcdonough | Spouse | — | 54 | ~1886 |
| Ethel Mcdonough | Daughter | — | 14 | ~1926 |
| Ilene Mcdonough | Daughter | — | 5 | ~1935 |
| Donald Mcdonough | Son | — | 15 | ~1925 |
| Thomas Mcdonough | Son | — | 21 | ~1919 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 40
Allegheny, Pennsylvania · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1908 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Artist |
| Industry | Commercial Ad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Allegheny, Pennsylvania
Head, age 48
Allegheny, Pennsylvania · implied b. ~1882 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | Thomas F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Alien |
| Year of Immigration | 1906 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Caretaker |
| Industry | Apartments |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Allegheny-County, Pennsylvania
Head, age 61
Allegheny-County, Pennsylvania · implied b. ~1879 — 7 household members
| Surname | McDonough |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Carpenter |
| Industry | Own Worker |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | G-5 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Thomas Mcdonough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcdonough
Head · 1940 · age 61 · b. ~1879 · 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
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03418-00617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Roberts | 24 | Daughter | Salesgirl | Pennsylvania |
| 2 | Jack Roberts | 18 | Son | — | Pennsylvania |
| 3 | Albert Sepp | 35 | Head | Boiler Maker | Pennsylvania |
| 4 | Elsie Sepp | 33 | Wife | — | Pennsylvania |
| 5 | Bernard Sepp | 12 | Son | — | Pennsylvania |
| 6 | Albert Sepp | 10 | Son | — | Pennsylvania |
| 7 | Henry Sepp | 67 | Head | Office Work | Germany |
| 8 | Emma Sepp | 68 | Wife | — | Pennsylvania |
| 9 | Myra Sepp | 27 | Daughter | Stenographer | Pennsylvania |
| 10 | Charles Sheets | 47 | Head | Clerk | Pennsylvania |
| 11 | Alice Sheets | 46 | Wife | — | Pennsylvania |
| 12 | Edward Sheets | 19 | Son | Clerk | Pennsylvania |
| 13 | Elaine Sheets | 16 | Daughter | — | Pennsylvania |
| 14 | Richard Sheets | 14 | Son | — | Pennsylvania |
| 15 | Donald Sheets | 12 | Son | — | Pennsylvania |
| 16 | Mathew Stefango | 53 | Head | — | Pennsylvania |
| 17 | Marie Stefango | 28 | Daughter | Teacher | Pennsylvania |
| 18 | Paul Stefango | 18 | Son | Labor | Pennsylvania |
| 19 | Thomas Mcdonough THIS PERSON | 61 | Head | Carpenter | England |
| 20 | Anna Mcdonough | 54 | Wife | — | Pennsylvania |
| 21 | Thomas Mcdonough | 21 | Son | Part Handy Boy | Pennsylvania |
| 22 | Donald Mcdonough | 15 | Son | — | Pennsylvania |
| 23 | Ethel Mcdonough | 14 | Daughter | — | Pennsylvania |
| 24 | Ilene Mcdonough | 5 | Daughter | — | Pennsylvania |
| 25 | Lewis Larson | 79 | Lodger | — | Sweden |
| 26 | Harry Strawn | 51 | Head | Clerk | Pennsylvania |
| 27 | Monta Strawn | 50 | Wife | — | Pennsylvania |
| 28 | Harry Strawn | 21 | Son | — | Pennsylvania |
| 29 | Billy Strawn | 14 | Son | — | Pennsylvania |
| 30 | Peter Seifel | 51 | Head | Machinist | Germany |
| 31 | Anna Seifel | 52 | Wife | — | Germany |
| 32 | Marie Seifel | 25 | Daughter | Trained Nurse | Pennsylvania |
| 33 | Robert Seifel | 13 | Son | — | Pennsylvania |
| 34 | Martin Byrne | 47 | Head | — | Ireland |
| 35 | Agnes Byrne | 40 | Wife | — | Ireland |
| 36 | James Byrne | 16 | Son | — | Pennsylvania |
| 37 | Vincent Byrne | 15 | Son | — | Pennsylvania |
| 38 | Ann Byrne | 12 | Daughter | — | Pennsylvania |
| 39 | Margt Byrne | 10 | Daughter | — | Pennsylvania |
| 40 | Peter Dierling | 33 | Head | Truck Driver | 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)