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Mary Hogan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Hogan across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Hogan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Phila |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Hogan | Daughter | — | 16 | ~1924 |
| Mary Hogan | Daughter | — | 18 | ~1922 |
| Margaret Hogan | Daughter | — | 15 | ~1925 |
| John Hogan | Head | — | 44 | ~1896 |
| Thomas Hogan | Son | — | 8 | ~1932 |
| Robert Hogan | Son | — | 10 | ~1930 |
| John Hogan | Son | — | 14 | ~1926 |
| Ruth Hogan | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hagan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Hogan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Hogan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hogan
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Thomas Hogan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hogan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Hogan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hogan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hogan
Sibling · 1940 · age 14
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-t0627-03755-00122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Rosenstainer | 54 | Head | Housework | Austria |
| 42 | Herman Rosenstainer | 26 | Son | Shipper | New Jersey |
| 43 | Raymond Rosenstainer | 18 | Son | Machinist Apprentice | Penna |
| 44 | Robert Rosenstainer | 10 | Son | — | Penna |
| 45 | Fred Oehler | 56 | Head | Roofer | Penna |
| 46 | Rose Oehler | 52 | Wife | — | Penna |
| 47 | Ann Oehler | 22 | Daughter | — | Penna |
| 48 | John Devlin | 53 | Head | Bricklayer | Penna |
| 49 | Sarah Devlin | 45 | Wife | Core-Maker | Penna |
| 50 | John Jr Devlin | 25 | Son | Truck Driver | Penna |
| 51 | James Devlin | 22 | Son | Paperhanger | Penna |
| 52 | Thomas Devlin | 20 | Son | Apprentice Paper Hanger | Penna |
| 53 | Raymond Devlin | 17 | Son | Apprentice Paper Hanger | Penna |
| 54 | Wm Ludwick | 65 | Head | Mechanic | Penna |
| 55 | Elizabeth Ludwick | 64 | Wife | — | Penna |
| 56 | Frank Pickens | 50 | Head | Mechanic | Penna |
| 57 | Ethel Pickens | 45 | Wife | — | Penna |
| 58 | Arthur Tucker | 49 | Head | Steward | England |
| 59 | Agnes Tucker | 48 | Wife | — | Penna |
| 60 | Marie Tucker | 24 | Daughter | Auditor | Penna |
| 61 | David Emmell | 30 | Head | Chief Clerk | New Jersey |
| 62 | Dorothy Emmell | 28 | Wife | — | New Jersey |
| 63 | David Jr Emmell | 5 | Son | — | New Jersey |
| 64 | Donald Emmell | 2 | Son | — | New Jersey |
| 65 | John Hogan | 44 | Head | Truck Driver | Penna |
| 66 | Ruth Hogan | 37 | Wife | — | Penna |
| 67 | Mary Hogan THIS PERSON | 18 | Daughter | — | Penna |
| 68 | Ruth Hogan | 16 | Daughter | — | Penna |
| 69 | Margaret Hogan | 15 | Daughter | — | Penna |
| 70 | John Jr Hogan | 14 | Son | — | Penna |
| 71 | Robert Hogan | 10 | Son | — | Penna |
| 72 | Thomas Hogan | 8 | Son | — | Penna |
| 73 | Murdock H Thomas | 40 | Head | Carpenter | N. Carolina |
| 74 | Isabella Thomas | 43 | Wife | — | Canada-Eng |
| 75 | Alexander Thomas | 16 | Son | — | Penna |
| 76 | Wm Preston | 40 | Head | Ice | England |
| 77 | Alice Preston | 39 | Wife | — | Northern Ireland |
| 78 | Alice Preston | 17 | Daughter | — | Penna |
| 79 | Betty Preston | 15 | Daughter | — | Penna |
| 80 | Wm Jr Preston | 11 | Son | — | 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)