TM
Thomas Mcgrath — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richmond-County, New York
Our Model Tree links this Thomas Mcgrath across the 1920, 1930 and 1940 US Censuses in Richmond-County, New York (XGBoost, ~Confirmed), with identified parents Thomas & Jane — first a head (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-County, New York |
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Richmond |
| 1935 Residence (County) | Richmond |
| Additional Details | |
| Occupation | Policeman |
| Industry | N.Y. Police |
| Class of Worker | GW |
| Income (1939) | 3000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same pl |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Policeman |
| Est. Birth Year | ~1900 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcgrath | Head | — | 40 | ~1900 |
| Myrtle Mcgrath | Spouse | — | 36 | ~1904 |
| Harold Brown | Son | — | 2 | ~1938 |
| Olga Swan | Spouse | — | 26 | ~1914 |
| Doris Swan | Daughter | — | 7 | ~1933 |
| Josephine Rivera | Other | — | 49 | ~1891 |
Census Appearances
1920
Kings, New …
Son, age 20
Kings, New York · implied b. ~1900 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| 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 30
Kings, New York · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 17 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Fireman |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 75 |
| Radio Set | R |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Richmond-County, New …
Head, age 40
Richmond-County, New York · implied b. ~1900 — 6 household members
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Richmond |
| 1935 Residence (County) | Richmond |
| Occupation | Policeman |
| Industry | N.Y. Police |
| Class of Worker | GW |
| Income (1939) | 3000 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same pl |
| 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 Thomas Mcgrath (~0.92 confidence) and mother Jane Mcgrath (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Mcgrath
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Jane Mcgrath
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcgrath
Head · 1940 · age 40 · b. ~1900 · 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
38 people indexed on this census page (nara:1940:m-t0627-02761-00024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Powers | 2 | Child | — | New York |
| 2 | John O'Donnell | 59 | Lodger | Watchman | New York |
| 3 | Annie Gritz | 62 | Head | — | Russia |
| 6 | Nicholas J Gorman | 60 | Head | Eng. Dept. | Ireland |
| 7 | Mary Gorman | 50 | Wife | — | Ireland |
| 8 | Nicholas J Jr Gorman | 24 | Son | Office Work | New York |
| 9 | John E Gorman | 21 | Son | Office Work | New York |
| 10 | Gerald Gorman | 19 | Son | Clerk | New York |
| 11 | Anne Gorman | 14 | Daughter | — | New York |
| 12 | Ida Swift | 72 | Head | — | Sweden |
| 13 | Emily Swift | 40 | Daughter | Secretary | New York |
| 14 | Hazel Baumann | 34 | Daughter | — | New York |
| 15 | Arthur Baumann | 36 | Son-in-law | Helper | New York |
| 16 | Betty Ann Baumann | 5 | Daughter | — | New York |
| 17 | Henry C Pape | 54 | Head | Sell On Comm | New York |
| 18 | Margaret V Pape | 45 | Wife | — | New York |
| 19 | Henry Jr Pape | 24 | Son | Manager | New York |
| 20 | Wm Ireland | 49 | Head | Pilot | New York |
| 21 | Anna Ireland | 42 | Wife | — | New York |
| 22 | William Ireland | 21 | Son | Apprentice | New York |
| 23 | James Ireland | 15 | Son | — | New York |
| 24 | Thomas Mcgrath THIS PERSON | 40 | Head | Policeman | New York |
| 25 | Myrtle Mcgrath | 36 | Wife | — | New York |
| 26 | Harold Brown | 2 | Son | — | New York |
| 27 | Olga Swan | 26 | Wife | — | Puerto Rico |
| 28 | Josephine Rivera | 49 | Mother | — | Puerto Rico |
| 29 | Doris Swan | 7 | Daughter | — | New York |
| 30 | Sam Rubin | 38 | Head | Counterman | Russia |
| 31 | Sarah Rubin | 36 | Wife | — | Russia |
| 32 | Murray Rubin | 14 | Son | — | New York |
| 33 | Blanche Rubin | 10 | Daughter | — | New York |
| 34 | Yetta Kleiman | 55 | Mother | — | Russia |
| 35 | Pearl Braswell | 30 | Domestic | Nurse-Maid | Carolina |
| 36 | Edward Gormley | 25 | Head | Coach Operator | New York |
| 37 | Dorothy Gormley | 23 | Wife | — | New York |
| 38 | Carol Ann Gormley | 3 | Daughter | — | New York |
| 39 | Anna Ottoman | 56 | Head | — | Germany |
| 40 | Pauline Ottoman | 26 | Daughter | Saleslady | New Jersey |
Related Census Records
Pedigree Summary
Thomas
Gen 1 · 2 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)