TM
Thomas Mcgrath — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Thomas Mcgrath across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents John — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | AD 10 |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Ad 10 |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Frances Mcgrath | Daughter | — | 10 | ~1930 |
| Carolyn Mcgrath | Spouse | — | 34 | ~1906 |
| Thomas Mcgrath | Head | — | 38 | ~1902 |
Census Appearances
1920
Kings, New …
Son, age 17
Kings, New York · implied b. ~1903 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Bookkeeper |
| Industry | Baggage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Head, age 28
Kings, New York · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 25 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Pitcher |
| Industry | Express |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Head, age 38
Kings-County, New York · implied b. ~1902 — 3 household members
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | AD 10 |
| 1935 Residence (County) | Kings |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H-2 |
| 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 Mcgrath across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcgrath (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcgrath
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcgrath
Head · 1940 · age 38 · b. ~1902 · 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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02576-00896)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia A. Schenck | 65 | Head | — | New York |
| 42 | Joseph A. De Bobes | 74 | Brother | Salesman | New York |
| 43 | Fred Moorhead | 56 | Lodger | Elec Operator | New York |
| 44 | Arthur O'Carle | 41 | Head | Salesman | New York |
| 45 | Theresa O'Carle | 37 | Wife | — | New York |
| 46 | Irene O'Carle | 15 | Daughter | — | New York |
| 47 | Mildred O'Carle | 13 | Daughter | — | New York |
| 48 | Thomas Mcgrath THIS PERSON | 38 | Head | Clerk | New York |
| 49 | Carolyn Mcgrath | 34 | Wife | — | New York |
| 50 | Frances Mcgrath | 10 | Daughter | — | New York |
| 51 | David Powers | 47 | Head | Salesman | Ireland |
| 52 | Agnes Powers | 45 | Wife | — | Ireland |
| 53 | Daniel Powers | 15 | Son | — | New York |
| 54 | Agnes Powers | 12 | Daughter | — | New York |
| 55 | Louis Olsen | 53 | Head | — | Norway |
| 56 | Abbott Border | 51 | Lodger | Runner | New York |
| 57 | John O'Connell | 53 | Roomer | Mail Carrier | Ireland |
| 58 | William Kelly | 55 | Head | — | New York |
| 59 | Edith Kelly | 54 | Wife | — | New York |
| 60 | Martin Martinson | 42 | Head | Iron Worker | Denmark |
| 61 | Lucille Martinson | 37 | Wife | — | New York |
| 62 | Julia Azakas | 27 | Roomer | — | New York |
| 63 | Robert Martinson | 2 | Son | — | New York |
| 64 | Fred Peterson | 38 | Roomer | — | Sweden |
| 65 | Peter Mccadden | 47 | Roomer | Plasterer | Ireland |
| 66 | Stephen Comber | 59 | Roomer | Metal Lather | New York |
| 67 | Helen Galin | 50 | Roomer | Baker | Poland |
| 68 | Adrien Talbot | 38 | Head | — | Canada |
| 69 | Bessie Talbot | 46 | Wife | Saleswoman | New York |
| 70 | Violet Talbot | 17 | Daughter | — | New York |
| 71 | Raymond Talbot | 15 | Son | — | New York |
| 72 | Pauline Talbot | 11 | Son | — | New York |
| 73 | Phyllis Talbot | 4 | Daughter | — | New York |
| 74 | George Reynolds | 71 | Head | Clothing Insp | Wales |
| 75 | Mary Reynolds | 65 | Wife | — | New York |
| 76 | Margaret Reilly | 63 | Sister | Calendarer | New York |
| 77 | Harry Smith | 16 | Head | Decorator | New York |
| 78 | Mary Smith | 24 | Wife | — | New York |
| 79 | Gustave Larson | 52 | Roomer | Sign Carrier | Sweden |
| 80 | John Leahill | 63 | Roomer | Laborer | Ireland |
Pedigree Summary
Thomas
Gen 1 · 1 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)