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John Keefe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this John Keefe across the 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Keefe |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Carbondale |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Carbondale |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Keefe | Head | — | 51 | ~1889 |
| John Keefe | Son | — | 17 | ~1923 |
| James Keefe | Son | — | 7 | ~1933 |
| Ann Keefe | Daughter | — | 19 | ~1921 |
| Cecilia Keefe | Daughter | — | 11 | ~1929 |
| Margaret Keefe | Daughter | — | 21 | ~1919 |
| Joseph Keefe | Son | — | 14 | ~1926 |
| Cecilia Keefe | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Lackawanna, Pennsylvania
Son, age 7
Lackawanna, Pennsylvania · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keefe |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Lackawanna-County, Pennsylvania
Son, age 17
Lackawanna-County, Pennsylvania · implied b. ~1923 — 8 household members
| Surname | Keefe |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Carbondale |
| 1935 Residence (County) | Lackawanna |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Keefe across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Keefe
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
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Sibling
Joseph Keefe
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Keefe
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecilia Keefe
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Keefe
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Keefe
Sibling · 1940 · age 7
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 — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03522-00633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hollis K. Ullman | 42 | Head | Manager | Pennsylvania |
| 42 | Minerva Ullman | 32 | Wife | Housewife | Pennsylvania |
| 43 | Kenneth S. Ullman | 13 | Son | — | Pennsylvania |
| 44 | Charles Ullman | 8 | Son | — | Pennsylvania |
| 45 | Ada Birkett | 61 | Head | Housekeeper | Pennsylvania |
| 46 | Elizabeth Margaret Birkett | 58 | Lodger | Housekeeper | Pennsylvania |
| 47 | John Logue | 55 | Head | Machinist | Nebraska |
| 48 | Mabel Logue | 54 | Wife | Housewife | Canada-French |
| 49 | Catherine Logue | 15 | Daughter | New Worker | Canada-French |
| 50 | Harry Schenck | 52 | Head | Manager | Pennsylvania |
| 51 | Sally May Schenck | 52 | Wife | Housewife | Pennsylvania |
| 52 | Herbert H. Ormerly | 57 | Lodger | Manager | Pennsylvania |
| 53 | William E. Clark | 60 | Head | Estimator | Pennsylvania |
| 54 | Daisy Anna Clark | 57 | Wife | Housewife | Pennsylvania |
| 55 | George W. Delaun | 44 | Head | Janitor | Pennsylvania |
| 56 | Alice Delaun | 55 | Wife | Housewife | Pennsylvania |
| 57 | Ivan C. Cobb | 37 | Head | Engineer | Pennsylvania |
| 58 | Alice Cobb | 60 | Wife | Housewife | Pennsylvania |
| 59 | Elizabeth Cobb | 33 | Daughter | New Worker | Pennsylvania |
| 60 | Delos Leach | 44 | Head | Clerk | Pennsylvania |
| 61 | Mildred Leach | 45 | Wife | Housewife | Pennsylvania |
| 62 | Arthur Leach | 21 | Son | Clerk | Pennsylvania |
| 63 | Jeanette Leach | 16 | Daughter | — | Pennsylvania |
| 64 | Molly Leach | 14 | Daughter | — | Pennsylvania |
| 65 | Elizabeth Mohady | 54 | Head | Housekeeper | Pennsylvania |
| 66 | William Stansbury | 74 | Head | — | Pennsylvania |
| 67 | Margaret Stansbury | 55 | Wife | Housewife | Pennsylvania |
| 68 | Berton Sr. Lambert | 47 | Head | Foreman | Pennsylvania |
| 69 | Beulah Lambert | 46 | Wife | Housewife | Pennsylvania |
| 70 | Marjorie Lambert | 17 | Daughter | — | Pennsylvania |
| 71 | Alice A. Lambert | 76 | Mother | Incapacitated | Pennsylvania |
| 72 | John Keefe | 51 | Head | Repairman | Massachusetts |
| 73 | Cecilia Keefe | 45 | Wife | Laundry | Massachusetts |
| 74 | Margaret Keefe | 21 | Daughter | New Worker | Connecticut |
| 75 | Ann Keefe | 19 | Daughter | New Worker | Connecticut |
| 76 | John Keefe THIS PERSON | 17 | Son | — | Connecticut |
| 77 | Joseph Keefe | 14 | Son | — | Pennsylvania |
| 78 | Cecilia Keefe | 11 | Daughter | — | Pennsylvania |
| 79 | James Keefe | 7 | Son | — | Pennsylvania |
| 80 | — | None | — | — | — |
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)