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Mary Boyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Mary Boyle across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 9-person household.
Age 61
b. ~1879
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| Est. Birth Year | ~1879 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Boyle | Daughter | — | 32 | ~1908 |
| Joan Boyle | Daughter | — | 14 | ~1926 |
| Bernard Boyle | Head | — | 64 | ~1876 |
| Lawrence Skelly | Other | — | 60 | ~1880 |
| Richard Boyle | Son | — | 24 | ~1916 |
| George Boyle | Son | — | 29 | ~1911 |
| John Boyle | Son | — | 26 | ~1914 |
| William Boyle | Son | — | 25 | ~1915 |
| Mary Boyle | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Bronx, New …
Spouse, age 39
Bronx, New York · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyle |
| Given Name | Marguerite |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Bronx, New …
Spouse, age 50
Bronx, New York · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Bronx-County, New …
Spouse, age 61
Bronx-County, New York · implied b. ~1879 — 9 household members
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 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 Boyle 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 Boyle
Spouse · 1940 · age 61 · b. ~1879 · 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 — 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-t0627-02498-00780)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Walsh | 25 | Son | Clerical | New York |
| 42 | Margaret Walsh | 23 | Daughter | Operator | New York |
| 43 | Mary Walsh | 18 | Daughter | — | New York |
| 44 | Eugene Walsh | 13 | Son | — | New York |
| 45 | Rosemary Walsh | 12 | Daughter | — | New York |
| 46 | Bernard Boyle | 64 | Head | Salesman | New York |
| 47 | Mary Boyle THIS PERSON | 61 | Wife | — | Ireland |
| 48 | Alice Boyle | 32 | Daughter | Operator | New York |
| 49 | George Boyle | 29 | Son | Accountant | New York |
| 50 | John Boyle | 26 | Son | Clerk | New York |
| 51 | William Boyle | 25 | Son | Clerk | New York |
| 52 | Richard Boyle | 24 | Son | Errand Boy | New York |
| 53 | Joan Boyle | 14 | Daughter | — | New York |
| 54 | Lawrence Skelly | 60 | Lodger | Clerk | New York |
| 55 | Daniel Haggerty | 40 | Head | Manager | New York |
| 56 | Margaret Haggerty | 38 | Wife | — | New York |
| 57 | Daniel Jr Haggerty | 13 | Son | — | New York |
| 58 | Edward Haggerty | 11 | Son | — | New York |
| 59 | Richard Haggerty | 7 | Son | — | New York |
| 60 | James Haggerty | 2 | Son | — | New York |
| 61 | Patrick Leahy | 54 | Brother | Porter | New York |
| 62 | Philip B Mcdonald | 51 | Head | Teacher | New York |
| 63 | Alice H Mcdonald | 48 | Wife | Stenographer | New York |
| 64 | Eleonore Hyde | 46 | Sister in law | Stenographer | New York |
| 65 | Martin Luft | 57 | Head | Broker | New York |
| 66 | Clara Luft | 50 | Wife | Waitress | New York |
| 67 | Martha Lakin | 42 | Head | Secretary | Ireland |
| 68 | Bridget Lakin | 42 | Sister | — | Ireland |
| 69 | Charles Lakin | 51 | Brother | Plumber | England |
| 70 | Laura Lakin | 43 | Sister | Forelady | Ireland |
| 71 | Alexander Henderson | 72 | Head | — | Ireland |
| 72 | Nellie Henderson | 67 | Wife | — | New York |
| 73 | Michael J Fitzgerald | 56 | Head | Proprietor | Ireland |
| 74 | Jennie Fitzgerald | 49 | Wife | — | Ireland |
| 75 | James Fitzgerald | 27 | Son | Manager | New York |
| 76 | Edward Fitzgerald | 24 | Son | Assistant Manager | New York |
| 77 | Mary Fitzgerald | 20 | Daughter | Secretary | New York |
| 78 | Mary Kennedy | 60 | Head | Superintendent | Pennsylvania |
| 79 | Nellie Kennedy | 58 | Wife | — | Pennsylvania |
| 80 | Mary Kennedy | 26 | Daughter | Secretary | 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)