TM
Thomas Mcdermott — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Thomas Mcdermott across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 7-person household.
Age 58
b. ~1862
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Structural Iron |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1870 |
| Birthplace (normalized) | ireland |
| Occupation | Superintendent |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1862 |
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 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mcdermott | Spouse | — | 52 | ~1868 |
| Cecil Mcdermott | Son | — | 10 | ~1910 |
| Thomas Mcdermott | Son | — | 23 | ~1897 |
| David Mcdermott | Son | — | 19 | ~1901 |
| Thomas Mcdermott | Head | — | 58 | ~1862 |
| John Beecher | Other | — | 49 | ~1871 |
| Mary Mcdermott | Daughter | — | 15 | ~1905 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 39
Allegheny, Pennsylvania · implied b. ~1861 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | June |
| Birth Year | 1861 |
| Year of Immigration | 1880 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mill Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Allegheny, Pennsylvania
Head, age 48
Allegheny, Pennsylvania · implied b. ~1862 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 18 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Superintendent |
| Industry | Steel |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Allegheny, Pennsylvania
Head, age 58
Allegheny, Pennsylvania · implied b. ~1862 — 7 household members
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Superintendent |
| Industry | Structural Iron |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1870 |
| Birthplace (normalized) | ireland |
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 Mcdermott across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcdermott
Head · 1920 · age 58 · b. ~1862 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1521unit:0105)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Vollmayer Francis | 11 | niece | None | Pennsylvania |
| 52 | Clements Nephew | 9 | nephew | None | Pennsylvania |
| 53 | Dwight Burnette | 35 | lodger | Secretary | France |
| 54 | Margaret Burnette | 35 | lodger | Bookkeeper | Pennsylvania |
| 55 | John Nickel | 48 | Head | Laborer | Bavaria Ger |
| 56 | Mary Nickel | 45 | Wife | None | Pennsylvania |
| 57 | Elisabeth Nickel | 18 | daughter | Stenographer | Pennsylvania |
| 58 | Bernard Nickel | 16 | son | None | Pennsylvania |
| 59 | Ottilia Nickel | 12 | daughter | None | Pennsylvania |
| 60 | Monica Nickel | 9 | daughter | None | Pennsylvania |
| 61 | Mary C Nickel | 1 | daughter | None | Pennsylvania |
| 62 | Theresa Hohlweg | 69 | Head | None | Wurtemberg |
| 63 | Robert A Kennedy | 28 | Head | Clerk In Office | Pennsylvania |
| 64 | Gertrude Kennedy | 26 | sister | Clerk In Office | Pennsylvania |
| 65 | Elizabeth Kennedy | 61 | mother | None | Germany |
| 66 | Leah Miller | 73 | Head | None | Pennsylvania |
| 67 | Roy Miller | 40 | son | Painter | Pennsylvania |
| 68 | Lewis Mccaughie | 48 | lodger | Foreman | Pennsylvania |
| 69 | Bertha Vanton | 37 | daughter | Assistant Paymaster | Pennsylvania |
| 70 | Tom Vanton | 6 | grandson | None | Michigan |
| 71 | Henriette Wurmb | 53 | Head | Retail Merchant | Pennsylvania |
| 72 | John V Lasse | 29 | Head | Chauffeur | Pennsylvania |
| 73 | Rose Lasse | 26 | Wife | None | Pennsylvania |
| 74 | Valentine Lasse | 4 | son | None | Pennsylvania |
| 75 | John Lasse | 2 | son | None | Pennsylvania |
| 76 | Maurice Lasse | 2 | son | None | Pennsylvania |
| 77 | Paul Lasse | 0 | son | None | Pennsylvania |
| 78 | Thomas Mcdermott THIS PERSON | 58 | Head | Superintendent | Ireland |
| 79 | Catherine Mcdermott | 52 | Wife | None | Maryland |
| 80 | Thomas B Mcdermott | 23 | son | Civil Engineer | Pennsylvania |
| 81 | David R Mcdermott | 19 | son | Adjuster | Pennsylvania |
| 82 | Mary B Mcdermott | 15 | daughter | None | Pennsylvania |
| 83 | Cecil Mcdermott | 10 | son | None | Pennsylvania |
| 84 | John Beecher | 49 | brother-in-law | Machinist | Maryland |
| 85 | Francis X Mooney | 45 | Head | Deputy Sheriff | Pennsylvania |
| 86 | Hattie Mooney | 45 | Wife | None | Wurtemberg |
| 87 | John A Clinton | 52 | Head | Smoke Inspector | England |
| 88 | Margaret Clinton | 52 | Wife | None | Ireland |
| 89 | John A Jr Clinton | 26 | son | Bookkeeper | Pennsylvania |
| 90 | Catherine Orms | 50 | Head | None | Pennsylvania |
| 91 | Howard F Orms | 27 | son | Machinist Helper | Pennsylvania |
| 92 | Martin H Bender | 46 | Head | Carpenter | Pennsylvania |
| 93 | Louise Bender | 80 | mother | None | Westphalia |
| 94 | Charles Treining | 45 | Head | Machine Hand | Wisconsin |
| 95 | Nellie Treining | 35 | Wife | None | Pennsylvania |
| 96 | Daniel Hanson | 31 | lodger | Driver | Pennsylvania |
| 97 | Daniel J Orms | 2 | nephew | None | Pennsylvania |
| 98 | Andrew Jaeger | 59 | Head | Elevatorman | Switzerland |
| 99 | Kate Jaeger | 58 | Wife | None | Bavaria Ger |
| 100 | Philippine Jaeger | 22 | daughter | Teacher | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)