MC
Mary Coyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Coyle across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
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 | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Yes 7 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Coyle | Daughter | — | 14 | ~1926 |
| William Coyle | Son | — | 20 | ~1920 |
| Owen Coyle | Son | — | 18 | ~1922 |
| Margie Coyle | Daughter | — | 16 | ~1924 |
| Owen Coyle | Head | — | 44 | ~1896 |
| Mary Coyle | Daughter | — | 12 | ~1928 |
| Margie Coyle | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1929 — 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 | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 12
Philadelphia-County, Pennsylvania · implied b. ~1928 — 7 household members
| Surname | Coyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | Yes 7 |
| 1935 Residence | Same House |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Coyle
Daughter · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Margie Coyle
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Coyle
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Coyle
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Coyle
Sibling · 1940 · age 18
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
38 people indexed on this census page (nara:1940:m-t0627-03732-00971)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellis Chamberlain | 49 | Head | Guide | Delaware |
| 2 | Marie Chamberlain | 41 | Wife | — | Pennsylvania |
| 3 | Ogden Chamberlain | 17 | Son | — | Delaware |
| 4 | Ellis Jr Chamberlain | 15 | Son | — | Delaware |
| 5 | Kathrine Driesbach | 65 | Boarder | — | Pennsylvania |
| 6 | William Menzel | 46 | Head | Operator | Pennsylvania |
| 7 | Mary Menzel | 53 | Wife | — | Pennsylvania |
| 8 | Kathrine Menzel | 22 | Daughter | Helper | Pennsylvania |
| 9 | Harry Menzel | 19 | Son | — | Pennsylvania |
| 10 | William Menzel | 12 | Son | — | Pennsylvania |
| 11 | Henry Menzel | 40 | Brother | Laborer | Pennsylvania |
| 12 | Mary Urbanski | 23 | Boarder | Operator | Pennsylvania |
| 13 | Paul Sliwoo | 26 | Head | — | Pennsylvania |
| 14 | Margerita Sliwoo | 19 | Wife | — | Pennsylvania |
| 15 | Nora Obrian | 40 | Head | — | Irish Free State |
| 16 | Thomas Obrian | 13 | Son | — | Pennsylvania |
| 17 | George Kezlin | 25 | Head | Assembler | Pennsylvania |
| 18 | Lee Kezlin | 25 | Wife | — | Pennsylvania |
| 19 | James Mcgovern | 42 | Head | Caster'S Helper | Irish Free State |
| 20 | Mary Mcgovern | 30 | Wife | — | Irish Free State |
| 21 | James Mcgovern | 9 | Son | — | Pennsylvania |
| 22 | Mary J Mcgovern | 4 | Daughter | — | Pennsylvania |
| 25 | Dorothy Young | 39 | Head | — | Pennsylvania |
| 26 | Dorothy O Young | 15 | Daughter | — | Pennsylvania |
| 27 | Alverna Young | 14 | Daughter | — | Pennsylvania |
| 28 | Marilyn Young | 12 | Daughter | — | Pennsylvania |
| 29 | George B Young | 10 | Son | — | Pennsylvania |
| 30 | Albert Young | 8 | Son | — | Pennsylvania |
| 31 | Clara Schlotthauer | 60 | Head | — | Pennsylvania |
| 32 | Wilmer Schlotthauer | 23 | Son | Pressman | Pennsylvania |
| 33 | Myrtle Schlotthauer | 21 | Daughter | — | Pennsylvania |
| 34 | Owen Coyle | 44 | Head | Lead Moulder | Northern Ireland |
| 35 | Margie Coyle | 43 | Wife | — | Irish Free State |
| 36 | William Coyle | 20 | Son | Clerk | Pennsylvania |
| 37 | Owen Jr Coyle | 18 | Son | Clerk | Pennsylvania |
| 38 | Margie Coyle | 16 | Daughter | — | Pennsylvania |
| 39 | Jane Coyle | 14 | Daughter | — | Pennsylvania |
| 40 | Mary Coyle THIS PERSON | 12 | Daughter | — | Pennsylvania |
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)