TM
Thomas Mcdermott — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richmond-County, New York
Our Model Tree links this Thomas Mcdermott across the 1920, 1930 and 1940 US Censuses in Richmond-County, New York (XGBoost, ~Confirmed), with identified parents John & Thomas — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-County, New York |
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Richmond |
| Additional Details | |
| Occupation | Electrician |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2184 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Electrician |
| Township / Ward | New York |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Thomas Mcdermott | Son | — | 2 | ~1938 |
| Gladys Mcdermott | Spouse | — | 23 | ~1917 |
| Thomas Mcdermott | Head | — | 25 | ~1915 |
Census Appearances
1920
New York, …
Son, age 4
New York, New York · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Richmond, New …
Son, age 15
Richmond, New York · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Richmond-County, New …
Head, age 25
Richmond-County, New York · implied b. ~1915 — 3 household members
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Richmond |
| Occupation | Electrician |
| Industry | Shipyard |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2184 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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. Identified parents: father John Mcdermott (~0.92 confidence) and father Thomas Mcdermott (~0.92 confidence) and mother Mary Mcdermott (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcdermott
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Thomas Mcdermott
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Mary Mcdermott
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcdermott
Head · 1940 · age 25 · b. ~1915 · 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 — Richmond-County, New York
Open full size
1940 US Federal Census — Richmond-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02760-00561)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Stark | 85 | Head | Salesman | Holland |
| 2 | Henry Brinkley | 52 | Head | Superintendent | New York |
| 3 | Margaret Brinkley | 51 | Wife | — | New York |
| 4 | Margaretta Brinkley | 9 | Daughter | — | New York |
| 5 | Thomas Mcdermott THIS PERSON | 25 | Head | Electrician | New York |
| 6 | Gladys Mcdermott | 23 | Wife | — | New York |
| 7 | Thomas Mcdermott | 2 | Son | — | New York |
| 8 | Howard Jack | 42 | Head | Guard Superintendant | Wisconsin |
| 9 | Mary Jack | 41 | Wife | — | New York |
| 10 | John Fulsher | 43 | Head | Captain | Canada |
| 11 | Sadie Fulsher | 44 | Wife | Dietician | North Carolina |
| 12 | Allen Fulsher | 20 | Son | — | Virginia |
| 13 | Anna Kosmenky | 60 | Head | — | Hungary |
| 14 | George Hague | 35 | Head | Route Man | Germany |
| 15 | Hattie Hague | 30 | Wife | — | New York |
| 16 | Edward Reardon | 32 | Head | Patrol Range Salesman | Massachusetts |
| 17 | Mildred Reardon | 25 | Wife | — | New York |
| 18 | John Reardon | 6 | Son | — | New York |
| 19 | Edward Reardon | 4 | Son | — | New York |
| 20 | John Pomerleau | 36 | Head | Boatswain Mate | Massachusetts |
| 21 | Katherine Pomerleau | 50 | Wife | — | New York |
| 22 | Catherine Pomerleau | 15 | Daughter | — | New York |
| 23 | Doris Pomerleau | 12 | Daughter | — | Massachusetts |
| 24 | Nicholas Pomerleau | 11 | Son | — | New York |
| 25 | George A. Albers | 39 | Head | Deck Hand | New York |
| 26 | Josephine Albers | 36 | Wife | — | New York |
| 27 | Charles O'Brien | 45 | Head | Seaman | Oklahoma |
| 28 | Anna O'Brien | 45 | Wife | Attendant | New York |
| 29 | Eugene Case | 21 | Son | Laborer | New York |
| 30 | Ole Christiansen | 35 | Head | Proprietor | Norway |
| 31 | Caroline Christiansen | 27 | Wife | — | New York |
| 32 | Frank Rignano | 42 | Head | Painter | New York |
| 33 | Jennie Rignano | 35 | Wife | — | New York |
| 34 | Marion Rignano | 16 | Daughter | — | New York |
| 35 | Matteo Giordano | 50 | Head | Marine Engineer | Italy |
| 36 | Maria G. Giordano | 45 | Wife | — | Italy |
| 37 | Herbert Giordano | 21 | Son | — | New York |
| 38 | Anthony Cariano | 44 | Head | Proprietor | New York |
| 39 | Anthony J. Cariano | 35 | Nephew | — | New York |
Related Census Records
Pedigree Summary
Thomas
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)