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James Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Queens-County, New York
Our Model Tree links this James Mcdermott across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 6-person household.
Age 74
b. ~1866
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | McDermott |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mcdermott | Daughter | — | 22 | ~1918 |
| Loretta Mcdermott | Daughter | — | 24 | ~1916 |
| James Mcdermott | Head | — | 74 | ~1866 |
| Catherine Harran | Other | — | 60 | ~1880 |
| Veronica Lynch | Other | — | 26 | ~1914 |
| Loretta Mcdermott | Spouse | — | 56 | ~1884 |
Census Appearances
1920
New York, …
Head, age 57
New York, New York · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1883 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Brewery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 65
New York, New York · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Retired |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 47 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Queens-County, New …
Head, age 74
Queens-County, New York · implied b. ~1866 — 6 household members
| Surname | McDermott |
| Given Name | James J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 James Mcdermott across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mcdermott
Head · 1940 · age 74 · b. ~1866 · New York
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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 — 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-t0627-02749-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carmela Corallo | 2 | Daughter | — | New York |
| 42 | Edward Daly | 50 | Head | Trainman | Ireland |
| 43 | Mary Daly | 50 | Wife | — | Ireland |
| 44 | Edward Daly | 20 | Son | Clerk | New York |
| 45 | James J. Mcdermott THIS PERSON | 74 | Head | — | Ireland |
| 46 | Loretta M. Mcdermott | 56 | Wife | — | New York |
| 47 | Loretta M. Mcdermott | 24 | Daughter | Teacher | New York |
| 48 | Catherine T. Mcdermott | 22 | Daughter | — | New York |
| 49 | Veronica T. Lynch | 26 | Niece | Auditor | New York |
| 50 | Catherine M. Harran | 60 | Sister-in-law | Teacher | Ireland |
| 51 | Louis Levine | 57 | Head | — | Latvia |
| 52 | Lena Levine | 49 | Wife | — | Latvia |
| 53 | Paul Blumberg | 51 | Head | Proprietor | Russia |
| 54 | Amelia Blumberg | 49 | Wife | — | Russia |
| 55 | Gerald Blumberg | 28 | Son | Lawyer | New York |
| 56 | Marcella Blumberg | 19 | Daughter | — | New York |
| 57 | Arnasten Seidman | 53 | Head | Dressmaker | Russia |
| 58 | Charlotte Seidman | 23 | Daughter | — | New York |
| 59 | — | None | — | — | — |
| 60 | Thomas J. Conolly | 55 | Head | Clerk | New York |
| 61 | Eleanor Conolly | 44 | Wife | — | New York |
| 62 | Thomas Conolly | 18 | Son | New Worker | New York |
| 63 | Kathryn Conolly | 17 | Daughter | — | New York |
| 64 | Bernard Mammes | 57 | Head | Candy Maker | Germany |
| 65 | Hermine Mammes | 56 | Wife | — | Germany |
| 66 | Marge Mammes | 30 | Daughter | Clerk | New York |
| 67 | Bernard Mammes | 28 | Son | Trainer | New York |
| 68 | Patrick Conolly | 90 | Head | — | Ireland |
| 69 | John N. Conolly | 56 | Son | Principal | New York |
| 70 | Agnes G. Conolly | 54 | Daughter | Teacher | New York |
| 71 | Joseph C. Cosgrove | 52 | Head | Banker | New York |
| 72 | Mary A. Cosgrove | 41 | Wife | — | New York |
| 73 | — | 50 | — | Housekeeper | Russia |
| 74 | William Trangblau | 48 | Head | Accountant | New York |
| 75 | Emma Trangblau | 44 | Wife | — | New York |
| 76 | Bernice Trangblau | 25 | Daughter | Psychologist | New York |
| 77 | Lenore Trangblau | 19 | Daughter | Student | New York |
| 78 | Amelie Jacquemod | 55 | Housekeeper | Housekeeper | France |
| 79 | Ignatius Falkenheim | 74 | Head | Teacher | New York |
| 80 | Marion Falkenheim | 70 | Wife | Teacher | New York |
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)