TM
Thomas Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Queens-County, New York
Our Model Tree links this Thomas Mcdermott across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 3-person household.
Age 51
b. ~1889
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | lunchroom man |
| Industry | school |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 770 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Lunchroom Man |
| Township / Ward | New York City |
| Est. Birth Year | ~1889 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdermott | Spouse | — | 50 | ~1890 |
| Alois Mcdermott | Son | — | 24 | ~1916 |
| Thomas Mcdermott | Head | — | 51 | ~1889 |
Census Appearances
1920
Kings, New …
Head, age 35
Kings, New York · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1914 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Elevator man |
| Industry | Dept Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Eng |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 40
New York, New York · implied b. ~1890 — 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 | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Queens-County, New …
Head, age 51
Queens-County, New York · implied b. ~1889 — 3 household members
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Occupation | lunchroom man |
| Industry | school |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 770 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| 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 (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcdermott
Head · 1940 · age 51 · b. ~1889 · New York
★ 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 — Queens-County, New York
Open full size
1940 US Federal Census — Queens-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02733-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Mcdermott THIS PERSON | 51 | Head | Lunchroom Man | Ireland |
| 42 | Mary Mcdermott | 50 | Wife | — | Ireland |
| 43 | Alois Mcdermott | 24 | Son | Chauffeur | New York |
| 44 | Joseph Koehlinger | 72 | Head | — | France |
| 45 | Ellie Koehlinger | 74 | Wife | — | Pennsylvania |
| 46 | Elsie Koehlinger | 40 | Daughter | — | New York |
| 47 | Walter Killinger | 44 | Head | Clerk | Pennsylvania |
| 48 | Adele Killinger | 44 | Wife | — | New York |
| 49 | Pierre Geast | 36 | Head | Cook | France |
| 50 | Florence Geast | 32 | Wife | — | France |
| 51 | Odette Geast | 2 | Daughter | — | New York |
| 52 | George Lindner | 60 | Head | — | New York |
| 53 | Clara Lindner | 57 | Wife | — | New York |
| 54 | George H Lindner | 38 | Son | — | New York |
| 55 | Ethel Lindner | 31 | Daughter | Clerk | New York |
| 56 | Irene Klein | 35 | Head | Stenographer | New York |
| 57 | Arthur Klein | 8 | Son | — | New York |
| 58 | Adela Ferrero | 69 | Head | — | Italy |
| 59 | George Ferrero | 40 | Son | Driver | New York |
| 60 | Adeline Ferrero | 27 | Daughter | Cashier | New York |
| 61 | Enos D'Agri | 20 | Grandson | Milliner | New York |
| 62 | Constantin Clerico | 47 | Head | Baker | Italy |
| 63 | Theresa Clerico | 46 | Wife | — | Italy |
| 64 | Emma Clerico | 24 | Daughter | Secretary | New York |
| 65 | Donald Clerico | 23 | Son | Jr. Accountant | New York |
| 66 | Philip Lauenstein | 46 | Head | Motorman | Germany |
| 67 | Cecile Lauenstein | 42 | Wife | — | France |
| 68 | Emily Lauenstein | 24 | Daughter | New Worker | New York |
| 69 | Philip Lauenstein | 22 | Son | Mechanic | New York |
| 70 | August Lauenstein | 18 | Son | — | New York |
| 71 | Margaret O'Hare | 58 | Head | — | Ireland |
| 72 | William Perrill | 36 | Son-in-law | Attendant | New York |
| 73 | Marion Perrill | 26 | Daughter | — | New York |
| 74 | William Perrill | 4 | Grandson | — | New York |
| 75 | Pasquale Perrillo | 65 | Head | — | Italy |
| 76 | Flavia Perrillo | 57 | Wife | — | Italy |
| 77 | James Perrillo | 32 | Son | Musician | New York |
| 78 | Pasquale Perrillo | 18 | Son | New Worker | New York |
| 79 | Henrietta Halterman | 50 | Head | Elevator Oper | Rhode Island |
| 80 | Henrietta Halterman | 26 | Wife | — | Canal Zone |
Related Census Records
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)