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Mary Boyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Boyle across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 6-person household.
Age 67
b. ~1873
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1873 |
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 |
|---|---|---|---|---|
| Bridget Boyle | Daughter | — | 42 | ~1898 |
| Helen Kahre | Daughter | — | 36 | ~1904 |
| Mary Boyle | Head | — | 67 | ~1873 |
| Barbara Kahre | Other | — | 3 | ~1937 |
| Arthur Kahre | Other | — | 40 | ~1900 |
| Edward Boyle | Son | — | 44 | ~1896 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 45
Philadelphia, Pennsylvania · implied b. ~1875 — 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 | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1881 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Spouse, age 58
Philadelphia, Pennsylvania · implied b. ~1872 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1879 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 67
Philadelphia-County, Pennsylvania · implied b. ~1873 — 6 household members
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 3 |
| 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
Head · 1940 · age 67 · b. ~1873 · Pennsylvania
★ 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03696-00286)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Delia Kennedy | 60 | Head | Store Keeper | Phila |
| 2 | George R. Holovach | 49 | Head | Stock Clerk | Penna |
| 3 | Gertrude Holovach | 44 | Wife | — | Penna |
| 4 | John Holovach | 25 | Son | Truck Clerk | Penna |
| 5 | Dolores Holovach | 22 | Daughter | Checker | Penna |
| 6 | Mary Holovach | 17 | Daughter | — | Penna |
| 7 | Betty Holovach | 9 | Daughter | — | Penna |
| 8 | Joseph Kulpa | 56 | Head | Store Keeper | Poland |
| 9 | Agnes Kulpa | 51 | Wife | — | Poland |
| 10 | John Kulpa | 28 | Son | Elec. Welder | Penna |
| 11 | Edward Kulpa | 29 | Son | Laborer | Penna |
| 12 | Bertha Kulpa | 26 | Daughter | — | Penna |
| 13 | Edwin Kulpa | 15 | Son | — | Penna |
| 14 | Regina Kulpa | 5 | Grandchild | — | Penna |
| 15 | John Hartley | 43 | Head | Stevedore | Penna |
| 16 | Anne Hartley | 42 | Wife | — | Penna |
| 17 | Mary Hartley | 19 | Daughter | — | Penna |
| 18 | John Jr. Hartley | 18 | Son | — | Penna |
| 19 | Anna Hartley | 15 | Daughter | — | Penna |
| 20 | Henry Hartley | 13 | Son | — | Penna |
| 21 | Margaret Hartley | 8 | Daughter | — | Penna |
| 22 | Elizabeth Hartley | 5 | Daughter | — | Penna |
| 23 | Gerard Hartley | 1 | Son | — | Penna |
| 24 | Harry Younes | 27 | Head | Painter | Penna |
| 25 | Alberta Younes | 27 | Wife | — | Penna |
| 26 | Harry Jr. Younes | 6 | Son | — | Penna |
| 27 | George Younes | 4 | Son | — | Penna |
| 28 | Alberta Younes | 1 | Daughter | — | Penna |
| 29 | Mary Boyle THIS PERSON | 67 | Head | — | Ireland |
| 30 | Bridget Boyle | 42 | Daughter | — | Penna |
| 31 | Edward Boyle | 44 | Son | Registrar | Penna |
| 32 | Arthur Kahre | 40 | Son-in-law | Service Man | Penna |
| 33 | Helen Kahre | 36 | Daughter | — | Penna |
| 34 | Barbara Kahre | 3 | Grandchild | — | Penna |
| 35 | William Fireman | 47 | Head | Print-Sprayer | Penna |
| 36 | Rebecca Fireman | 51 | Wife | Turning Gear | Penna |
| 37 | William Fireman | 20 | Son | Apprentice | Penna |
| 38 | Reba Fireman | 14 | Daughter | — | Penna |
| 39 | Sidney Flint | 62 | Head | Sheet Metal Worker | Boston |
| 40 | Anna Flint | 69 | Wife | — | Penna |
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)