MC
Mary Coyle — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Coyle across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Helen — first a daughter (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Coyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | auditor |
| Industry | insurance co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2108 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Auditor |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Coyle | Daughter | — | 32 | ~1908 |
| Robert Coyle | Son | — | 31 | ~1909 |
| Robert Coyle | Other | — | 5 | ~1935 |
| Helen Coyle | Spouse | — | 31 | ~1909 |
| Margaret Gyle | Head | — | 67 | ~1873 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coyle |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 21
Philadelphia, Pennsylvania · implied b. ~1909 — 17 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Industry | Engine Mfg Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 32
Philadelphia-County, Pennsylvania · implied b. ~1908 — 5 household members
| Surname | Coyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | auditor |
| Industry | insurance co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2108 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Coyle across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Coyle (~0.92 confidence) and mother Helen Coyle (~0.50 confidence) and mother Margaret Gyle (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.78
Father
Edward Coyle
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Helen Coyle
b. ~1909
Source mother
● Household
· direct · ~0.5
Mother
Margaret Gyle
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Coyle
Daughter · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Robert Coyle
Sibling · 1940 · age 31
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 — 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-t0627-03694-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nicholas Filieri | 35 | Head | Bar Tender | Italy |
| 2 | Mary Filieri | 33 | Wife | Salesgirl | Italy |
| 3 | Virginia De Marino | 55 | Mother-in-law | — | Italy |
| 4 | William Busby | 28 | Head | Waiter | Pennsylvania |
| 5 | Helen Busby | 24 | Wife | Check Room Girl | Pennsylvania |
| 6 | Rudolph Barth | 18 | Son | New Worker | Pennsylvania |
| 7 | Michael Taylor | 76 | Father | — | Irish Free State |
| 8 | William Purcell | 44 | Head | Bartender | Pennsylvania |
| 9 | Gertrude Purcell | 45 | Wife | Seamstress | Pennsylvania |
| 10 | Belly|Betty Thomas | 40 | Lodger | Operator | Texas |
| 11 | William H. Campbell | 42 | Head | Teacher | Kentucky |
| 12 | Grace H. Campbell | 44 | Wife | — | Ohio |
| 13 | William G. Campbell | 19 | Son | — | Ohio |
| 14 | Anna Ellison | 23 | Lodger | Nurse | Pennsylvania |
| 15 | Nathaniel Barbehenn|Barbeheun | 68 | Head | Clerical | Pennsylvania |
| 16 | Sally Barbehenn|Barbeheun | 63 | Wife | — | West Virginia |
| 17 | — | None | Head | — | — |
| 18 | Margaret Gyle | 67 | Head | — | West Virginia |
| 19 | Mary Coyle THIS PERSON | 32 | Daughter | Auditor | Pennsylvania |
| 20 | Robert Coyle | 31 | Son | Salesman | Pennsylvania |
| 21 | Helen Coyle | 31 | Wife | — | Pennsylvania |
| 22 | Robert Coyle | 5 | Grandson | — | Pennsylvania |
| 23 | Joseph Puchowski | 34 | Head | Painter | Poland |
| 24 | Mary Puchowski | 31 | Wife | — | Poland |
| 25 | Lorraine Puchowski | 14 | Daughter | — | New Jersey |
| 26 | Evelyn Puchowski | 6 | Daughter | — | Pennsylvania |
| 27 | Katherine Jablonoski | 73 | Lodger | — | Poland |
| 28 | Mary Grudziaski | 53 | Head | Cook | Poland |
| 29 | Walter Grudziaski | 33 | Son | Counter Man | Pennsylvania |
| 30 | — | 25 | Daughter | — | Pennsylvania |
| 31 | Agnes R. Burke | 62 | Head | — | Pennsylvania |
| 32 | Anna Byrne | 54 | Partner | Artist | Pennsylvania |
| 33 | Mary Riley | 50 | Head | Dressmaker | Irish Free State |
| 34 | Anna Quinn | 70 | Lodger | — | Irish Free State |
| 35 | Elizabeth Mc Donald | 41 | Lodger | Dressmaker | Pennsylvania |
| 36 | John Gallagher | 59 | Head | Circulars | Pennsylvania |
| 37 | Mary Gallagher | 57 | Wife | Seamstress | Pennsylvania |
| 38 | Joseph Keegan | 19 | Head | Machinist | Pennsylvania |
| 39 | Mary Keegan | 18 | Sister | — | Pennsylvania |
| 40 | Thomas Keegan | 13 | Nephew | — | Pennsylvania |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.78
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)