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Mary Boyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Boyle across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Ella Boyle | Daughter | — | 5 | ~1935 |
| Margaret Boyle | Daughter | — | 8 | ~1932 |
| Mary Boyle | Daughter | — | 11 | ~1929 |
| Michael Boyle | Head | — | 35 | ~1905 |
| William Boyle | Son | — | ~1940 | |
| Michael Boyle | Son | — | 6 | ~1934 |
| James Boyle | Son | — | 5 | ~1935 |
| Thomas Boyle | Son | — | 10 | ~1930 |
| Mary Boyle | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Kings, New …
Daughter, age 1
Kings, New York · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 |
1940
Kings-County, New …
Daughter, age 11
Kings-County, New York · implied b. ~1929 — 9 household members
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 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 Mary Boyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Boyle
Daughter · 1940 · age 11 · b. ~1929 · New York
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Sibling
James Boyle
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Boyle
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Boyle
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Boyle
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Boyle
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Boyle
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
24 people indexed on this census page (nara:1940:m-t0627-02581-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Philomena D'Atienzo | 23 | Daughter | Operator | Italy |
| 2 | Dolores D'Atienzo | 21 | Daughter | — | Italy |
| 3 | Sebastiano Diblasi | 44 | Head | Dish Washer | Italy |
| 4 | Mary Diblasi | 39 | Wife | — | Italy |
| 5 | Lena Diblasi | 18 | Daughter | Finisher | Italy |
| 6 | Francis Diblasi | 15 | Son | — | Italy |
| 7 | Anthony Diblasi | 7 | Son | — | New York |
| 8 | John Diblasi | 3 | Son | — | New York |
| 9 | Carmine Masucci | 64 | Head | — | Italy |
| 10 | Pasqulin Masucci | 65 | Wife | — | Italy |
| 11 | Thomas Masucci | 24 | Son | Attendant | New York |
| 12 | Michael Boyle | 35 | Head | — | Eire |
| 13 | Mary Boyle | 32 | Wife | — | West Virginia |
| 14 | Mary Boyle THIS PERSON | 11 | Daughter | — | New York |
| 15 | Thomas Boyle | 10 | Son | — | New York |
| 16 | Margaret Boyle | 8 | Daughter | — | New York |
| 17 | Michael Jr Boyle | 6 | Son | — | New York |
| 18 | James Boyle | 5 | Son | — | New York |
| 19 | Ella Boyle | 5 | Daughter | — | New York |
| 20 | William Boyle | 0 | Son | — | New York |
| 21 | Rudolph Tinggren | 49 | Head | Stationary Engin. | Norway |
| 22 | Frode Andersen | 50 | Head | Sheet Metal Worker | Denmark |
| 23 | Bertha Andersen | 50 | Wife | Waitress | Denmark |
| 24 | Antonio Fortes | 23 | Head | Steward | Puerto Rico |
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)