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Mary Mcgrath — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Mary Mcgrath across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 6-person household.
Age 44
b. ~1896
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | McGrath |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York |
| Est. Birth Year | ~1896 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Joan Mcgrath | Daughter | — | 16 | ~1924 |
| Michael Mcgrath | Head | — | 49 | ~1891 |
| Donald Mcgrath | Son | — | 14 | ~1926 |
| Austin Mcgrath | Son | — | 17 | ~1923 |
| John Mcgrath | Son | — | 9 | ~1931 |
| Mary Mcgrath | Spouse | — | 44 | ~1896 |
Census Appearances
1920
New York, …
Spouse, age 26
New York, New York · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | Pa |
| Birthplace (normalized) | ireland |
1930
New York, …
Spouse, age 34
New York, New York · implied b. ~1896 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1915 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Bronx-County, New …
Spouse, age 44
Bronx-County, New York · implied b. ~1896 — 6 household members
| Surname | McGrath |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Mary Mcgrath across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcgrath
Spouse · 1940 · age 44 · b. ~1896 · 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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02486-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Paul | 18 | Daughter | — | New York |
| 42 | William Byrnes | 49 | Head | Engineer | New York |
| 43 | Margaret Byrnes | 51 | Wife | — | New York |
| 44 | William Jr. Byrnes | 26 | Son | Engineer | New York |
| 45 | Ann M. Byrnes | 21 | Daughter | Steno Typist | New York |
| 46 | Patrick Culhane | 53 | Head | Machinist | New York |
| 47 | Mary Culhane | 43 | Wife | — | New York |
| 48 | Rita Culhane | 21 | Daughter | Salesman | New York |
| 49 | Bernard Culhane | 16 | Son | — | New York |
| 50 | Joseph Culhane | 10 | Son | — | New York |
| 51 | John P. Henry | 67 | Head | — | Ireland |
| 52 | William J. Henry | 40 | Son | Credit Man | New York |
| 53 | Rose B. Henry | 33 | Daughter in law | — | New York |
| 54 | William Henry | 10 | Grandchild | — | New York |
| 55 | Gerald F. Henry | 7 | Grandchild | — | New York |
| 56 | Rose B. Henry | 4 | Grandchild | — | New York |
| 57 | Thomas Power | 54 | Head | — | Newfoundland |
| 58 | Elizabeth Power | 46 | Wife | — | Illinois |
| 59 | Mary Corrigan | 60 | Head | — | New York |
| 60 | Eugene G. Corrigan | 34 | Son | Elevator Operator | New York |
| 61 | John J. Corrigan | 30 | Son | Moving | New York |
| 62 | Gertrude Corrigan | 27 | Daughter | Saleslady | New York |
| 63 | Louis Hoffman | 30 | Head | Salesman | New York |
| 64 | Mayme Hoffman | 26 | Wife | Elevator Operator | New York |
| 65 | James Mullen | 33 | Head | Policeman | New York |
| 66 | Marion Mullen | 31 | Wife | — | New York |
| 67 | Marion Mullen | 4 | Daughter | — | New York |
| 68 | Ina Carlstrom | 59 | Head | — | Finland |
| 69 | Alex Priskan | 35 | Head | Pressman | New York |
| 70 | Katherine Priskan | 35 | Wife | — | New York |
| 71 | William Stenberg | 68 | Head | Actor | Sweden |
| 72 | Julia Stenberg | 73 | Wife | — | Sweden |
| 73 | Michael Mcgrath | 49 | Head | Plasterer | Ireland |
| 74 | Mary Mcgrath THIS PERSON | 44 | Wife | — | Ireland |
| 75 | Austin Mcgrath | 17 | Son | News Deliverer | New York |
| 76 | Joan Mcgrath | 16 | Daughter | — | New York |
| 77 | Donald Mcgrath | 14 | Son | — | New York |
| 78 | John Mcgrath | 9 | Son | — | New York |
| 79 | Marie Burke | 51 | Head | Stationary Foreman | Ireland |
| 80 | Agnes Burke | 18 | Daughter | — | 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)