MK
Mary Kenney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Kenney across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Kenney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | New Worker |
| Township / Ward | Phila |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Thomas Kenney | Head | — | 49 | ~1891 |
| Joseph Kenney | Son | — | 15 | ~1925 |
| Edward Kenney | Son | — | 6 | ~1934 |
| William Kenney | Son | — | 13 | ~1927 |
| Nellie Kenney | Spouse | — | 46 | ~1894 |
| Mary Kenney | Daughter | — | 17 | ~1923 |
| Thomas Kenney | Son | — | 16 | ~1924 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keeny |
| Given Name | Mildred |
| 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 17
Philadelphia-County, Pennsylvania · implied b. ~1923 — 7 household members
| Surname | Kenney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | New Worker |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 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 Kenney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kenney
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Kenney
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kenney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kenney
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Kenney
Sibling · 1940 · age 16
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-t0627-03709-00865)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Szewczak | 23 | Son | Pipe Fitter | Penna |
| 42 | John Szewczak | 42 | Head | Winder | Poland |
| 43 | Rose Szewczak | 38 | Wife | — | Poland |
| 44 | John Szewczak | 16 | Son | — | Penna |
| 45 | Rita Szewczak | 11 | Daughter | — | Penna |
| 46 | Thomas Kenney | 49 | Head | Dye House | Penna |
| 47 | Nellie Kenney | 46 | Wife | — | Penna |
| 48 | Mary Kenney THIS PERSON | 17 | Daughter | New Worker | Penna |
| 49 | Thomas Jr. Kenney | 16 | Son | — | Penna |
| 50 | Joseph Kenney | 15 | Son | — | Penna |
| 51 | William Kenney | 13 | Son | — | Penna |
| 52 | Edward Kenney | 6 | Son | — | Penna |
| 53 | Joseph Bragalski | 41 | Head | Helper | Poland |
| 54 | Agnes Bragalski | 40 | Wife | — | Penna |
| 55 | Mary Bragalski | 18 | Daughter | New Worker | Penna |
| 56 | Joseph Bragalski | 16 | Son | — | Penna |
| 57 | Dolores Bragalski | 13 | Daughter | — | Penna |
| 58 | Rita Bragalski | 12 | Daughter | — | Penna |
| 59 | Chester Bragalski | 5 | Son | — | Penna |
| 60 | Theresa Bragalski | 3 | Daughter | — | Penna |
| 61 | Joseph Dunphy | 33 | Head | Chipper | Penna |
| 62 | Violet Dunphy | 31 | Wife | — | Penna |
| 63 | Joseph Jr. Dunphy | 9 | Son | — | Penna |
| 64 | Charlotte Dunphy | 3 | Daughter | — | Penna |
| 65 | Joseph Kurowska | 42 | Head | Asst. Janitor | Poland |
| 66 | Helen Kurowska | 28 | Wife | — | Penna |
| 67 | Helen S. Kurowska | 3 | Daughter | — | Penna |
| 68 | Mary Zayer | 67 | Head | — | Poland |
| 69 | Dolores Zayer | 15 | Granddaughter | — | Penna |
| 70 | Adolf Kilezewski | 33 | Head | Dyer | Penna |
| 71 | Helen Kilezewski | 30 | Wife | — | Penna |
| 72 | Roy Kilezewski | 5 | Son | — | Penna |
| 73 | Richard Kilezewski | 2 | Son | — | Penna |
| 74 | John Pelgia | 65 | Head | — | Poland |
| 75 | Pelagia Pelgia | 56 | Wife | — | Poland |
| 76 | Florence Pelgia | 25 | Daughter | Taper | Penna |
| 77 | Raymond Pelgia | 24 | Son | Laborer | Penna |
| 78 | Theodore Pelgia | 21 | Son | New Worker | Penna |
| 79 | Francis Pelgia | 20 | Son | New Worker | Penna |
| 80 | John Petrait | 30 | Head | Bartender | Russia |
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)