JK
John Kenny — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Kenny across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Kenny |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| Florence Kenny | Daughter | — | 4 | ~1936 |
| Mary Kenny | Spouse | — | 34 | ~1906 |
| John Kenny | Son | — | 12 | ~1928 |
| Mike Mudron | Other | — | 52 | ~1888 |
| John Kenny | Head | — | 37 | ~1903 |
| Frances Kenny | Son | — | 1 | ~1939 |
| Edward Kenny | Son | — | 8 | ~1932 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cheney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 12
Allegheny-County, Pennsylvania · implied b. ~1928 — 7 household members
| Surname | Kenny |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 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 John Kenny across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kenny
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Frances Kenny
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kenny
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Kenny
Sibling · 1940 · age 4
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03666-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia Grabowski | 31 | Wife | — | Pennsylvania |
| 42 | Dolores Grabowski | 9 | Daughter | — | Pennsylvania |
| 43 | Victor Grabowski | 5 | Son | — | Pennsylvania |
| 44 | Gilbert Grabowski | 4 | Son | — | Pennsylvania |
| 45 | John P. Kenny | 37 | Head | Steelpourer | Pennsylvania |
| 46 | Mary Kenny | 34 | Wife | — | Pennsylvania |
| 47 | John Kenny THIS PERSON | 12 | Son | — | Pennsylvania |
| 48 | Edward J. Kenny | 8 | Son | — | Pennsylvania |
| 49 | Florence Kenny | 4 | Daughter | — | Pennsylvania |
| 50 | Frances Kenny | 1 | Son | — | Pennsylvania |
| 51 | Mike Mudron | 52 | Lodger | Crane Repairman | Austria |
| 53 | Nicholas Kiefer | 52 | Head | New Worker | Pennsylvania |
| 54 | Eleanor Kiefer | 42 | Wife | — | Pennsylvania |
| 55 | Dorothy Kiefer | 16 | Daughter | — | Pennsylvania |
| 56 | Robert Kiefer | 12 | Son | — | Pennsylvania |
| 57 | Frances Alukonis | 52 | Head | — | Lithuania |
| 58 | Thomas Alukonis | 33 | Son | Apprentice Electrician | Pennsylvania |
| 59 | Mary Alukonis | 29 | Daughter | Counter Girl | Pennsylvania |
| 60 | John Alukonis | 23 | Son | Labor | Pennsylvania |
| 61 | Margaret Alukonis | 23 | Daughter | Bus Girl | Pennsylvania |
| 62 | Jerome, Et Baranowski | 26 | Head | Baker | Pennsylvania |
| 63 | Helen Baranowski | 23 | Wife | — | Pennsylvania |
| 64 | Walter Kopera | 43 | Head | Brushmaker | Pennsylvania |
| 65 | John Kopera | 47 | Brother | Labor | Pennsylvania |
| 66 | Julia Kopera | 41 | Sister | — | Pennsylvania |
| 67 | Stanley Grzybowski | 52 | Head | Dye Setter | Poland |
| 68 | Anna Grzybowski | 54 | Wife | — | Lithuania |
| 69 | Henry Grzybowski | 25 | Son | Labor | Pennsylvania |
| 70 | John Grzybowski | 23 | Son | New Worker | Pennsylvania |
| 71 | Helen Grzybowski | 20 | Daughter | New Worker | Pennsylvania |
| 72 | Joseph Tofel | 48 | Head | Baker | Pennsylvania |
| 73 | Anna Tofel | 44 | Wife | — | Pennsylvania |
| 74 | Joseph Tofel | 4 | Son | — | Pennsylvania |
| 75 | Mary Jakubovic | 70 | Head | — | Hungary |
| 76 | Peter Berlan | 50 | Head | Labor | Pennsylvania |
| 77 | Elizabeth Berlan | 44 | Wife | — | Pennsylvania |
| 78 | Dorothy Berlan | 14 | Daughter | — | Pennsylvania |
| 79 | Richard Berlan | 12 | Son | — | Pennsylvania |
| 80 | Gertrude Baranowski | 26 | Sister-in-law | Sales Girl | 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)