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John Mcdermott — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Mcdermott across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 18-person household.
Age 54
b. ~1866
Male
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Hospital |
| Class of Worker | Salary |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1866 |
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.
18 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mildred Knight | Daughter | — | 25 | ~1895 |
| Janette Still | Daughter | — | 31 | ~1889 |
| Sara Maxwell | Daughter | — | 23 | ~1897 |
| Goldie Clark | Daughter | — | 30 | ~1890 |
| Ella Rhodes | Daughter | — | 46 | ~1874 |
| Maude Borgener | Daughter | — | 41 | ~1879 |
| Agda Collins | Daughter | — | 34 | ~1886 |
| Margaret Lambert | Daughter | — | 24 | ~1896 |
| John Mcdermott | Head | — | 54 | ~1866 |
| Margaret Bannon | Other | — | 50 | ~1870 |
| Joseph Fruit | Son | — | 50 | ~1870 |
| Frank Webb | Son | — | 48 | ~1872 |
| Michael Haleh | Son | — | 21 | ~1899 |
| Fred Shoemaker | Son | — | 37 | ~1883 |
| Robert Morrison | Son | — | 69 | ~1851 |
| John Dixon | Son | — | 54 | ~1866 |
| Harry King | Son | — | 35 | ~1885 |
| Barbara Chapman | Spouse | — | 48 | ~1872 |
Census Appearances
1910
Allegheny, Pennsylvania
Head, age 45
Allegheny, Pennsylvania · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 10 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Railroad |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Allegheny, Pennsylvania
Head, age 54
Allegheny, Pennsylvania · implied b. ~1866 — 18 household members
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Hospital |
| Class of Worker | Salary |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1885 |
| 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 John Mcdermott across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
John Mcdermott
Head · 1920 · age 54 · b. ~1866 · 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:1920:14thcensusofpopu1524unit:0724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mrs - Clingy | 37 | — | Laundress | Pennsylvania |
| 52 | Daisy E. Reynolds | 15 | daughter | Laundress | Pennsylvania |
| 53 | William S. Hulsey | 21 | son | Laborer | Pennsylvania |
| 54 | James Pat Callahan | 57 | head | Laborer | Pennsylvania |
| 55 | John J. Harrington | 46 | head | Laborer | Pennsylvania |
| 56 | James Mundell | 52 | head | Laborer | Pennsylvania |
| 57 | George Broker | 27 | son | Laborer | Pennsylvania |
| 58 | Nellie Williams | 42 | wife | Servant | Pennsylvania |
| 59 | Sarah A. Gray | 38 | daughter | Trained Nurse | Pennsylvania |
| 60 | Mabel Hawk | 36 | wife | Trained Nurse | Pennsylvania |
| 61 | William Schare | 37 | son | Laborer | Pennsylvania |
| 62 | Samuel Barr | 35 | head | Laborer | Pennsylvania |
| 63 | Wm J. Mcclusky | 50 | son | Laborer | Pennsylvania |
| 64 | Mike Parbi | 35 | son | Laborer | Italy |
| 65 | Bessie Ingraham | 37 | daughter | Trained Nurse | Canada |
| 66 | Adah Sillas | 24 | — | Trained Nurse | Pennsylvania |
| 67 | Frances Soffert | 37 | daughter | Trained Nurse | Pennsylvania |
| 68 | Robert Sassmeister | 51 | head | Laborer | Germany |
| 69 | Elizabeth Powers | 29 | daughter | Dietitian | Kansas |
| 70 | Adda J. Mclaughlin | 36 | daughter | Trained Nurse | Pennsylvania |
| 71 | Jasper Schneidt | 37 | son | Laborer | Russia |
| 72 | Mrs Amanda Sutherland | 66 | wife | Servant | Pennsylvania |
| 73 | Chas Thomas Brady | 35 | head | Physician | Virginia |
| 74 | Kathryn Brady | 47 | wife | — | Georgia |
| 75 | Ernest K. Brady | 19 | daughter | Nurse | Virginia |
| 76 | Frank Carson | 56 | head | Laborer | Kentucky |
| 77 | George C. Walsh | 25 | son | Physician | New York |
| 78 | George B. Ingram | 25 | head | Salesman | Pennsylvania |
| 79 | Mary Dill | 30 | son | Laborer | Italy |
| 80 | Adela Andria | 36 | wife | Servant | Italy |
| 81 | John V. Cook | 39 | son | Carpenter | Pennsylvania |
| 82 | Adam Humovich | 37 | son | Laborer | Lithuania |
| 83 | John Mcdermott THIS PERSON | 54 | head | Laborer | Ireland |
| 84 | Joseph Fruit | 50 | son | Laborer | Pennsylvania |
| 85 | Robert Morrison | 69 | son | Laborer | Ireland |
| 86 | John Dixon | 54 | son | Laborer | Pennsylvania |
| 87 | Frank Webb | 48 | son | Laborer | England |
| 88 | Fred Shoemaker | 37 | son | Laborer | Pennsylvania |
| 89 | Barbara Chapman | 48 | wife | Laundry | Ireland |
| 90 | Margaret Bannon | 50 | — | Servant | Ireland |
| 91 | Margaret Lambert | 24 | daughter | Servant | Ireland |
| 92 | Ella Rhodes | 46 | daughter | Trained Nurse | Pennsylvania |
| 93 | Mildred Knight | 25 | daughter | Trained Nurse | Pennsylvania |
| 94 | Maude Borgener | 41 | daughter | Trained Nurse | Ohio |
| 95 | Sara N. Maxwell | 23 | daughter | Trained Nurse | Pennsylvania |
| 96 | Janette Still | 31 | daughter | Trained Nurse | Pennsylvania |
| 97 | Agda E. Collins | 34 | daughter | Trained Nurse | Sweden |
| 98 | Harry King | 35 | son | Laborer | Pennsylvania |
| 99 | Michael Haleh | 21 | son | Laborer | Pennsylvania |
| 100 | Goldie Clark | 30 | daughter | Servant | Louisiana |
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)