JK
John Kearney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Kearney across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kearney |
| Given Name | John N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| John Kearney | Son | — | 13 | ~1927 |
| Robert Kearney | Son | — | 10 | ~1930 |
| Patrick Kearney | Son | — | 12 | ~1928 |
| Timothy Kearney | Son | — | 16 | ~1924 |
| Delia Kearney | Spouse | — | 45 | ~1895 |
| Patrick Kearney | Head | — | 45 | ~1895 |
| Walter Kearney | Son | — | 2 | ~1938 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 3
Suffolk, Massachusetts · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kearney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 13
Middlesex-County, Massachusetts · implied b. ~1927 — 7 household members
| Surname | Kearney |
| Given Name | John N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | S 5 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Kearney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kearney
Son · 1940 · age 13 · b. ~1927 · Massachusetts
★ You are viewing this record
Sibling
Walter Kearney
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Kearney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Kearney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kearney
Sibling · 1940 · age 10
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01612-00134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Rogers | 58 | Head | Carpenter | Portugal |
| 2 | Mary Rogers | 60 | Wife | — | Portugal |
| 3 | James J. Lombardi | 53 | Head | Fireman | Ireland |
| 4 | Isabella Lombardi | 50 | Wife | — | Massachusetts |
| 5 | James E. Lombardi | 19 | Son | — | Massachusetts |
| 6 | Isabella M. Lombardi | 15 | Daughter | — | Massachusetts |
| 7 | Richard C. Lombardi | 9 | Son | — | Massachusetts |
| 8 | Patrick J. Kearney | 45 | Head | Laundry Manager | Ireland |
| 9 | Delia F. Kearney | 45 | Wife | — | Ireland |
| 10 | Timothy P. Kearney | 16 | Son | — | Massachusetts |
| 11 | John N. Kearney THIS PERSON | 13 | Son | — | Massachusetts |
| 12 | Patrick J. Kearney | 12 | Son | — | Massachusetts |
| 13 | Robert F. Kearney | 10 | Son | — | Massachusetts |
| 14 | Walter M. Kearney | 2 | Son | — | Massachusetts |
| 15 | Carl W. Mortensen | 38 | Head | Bookkeeper | Massachusetts |
| 16 | Edith F. Mortensen | 34 | Wife | — | Massachusetts |
| 17 | Elizabeth C. Mortensen | 12 | Daughter | — | Massachusetts |
| 18 | William C. Quimby | 37 | Lodger | Bookkeeper | New Hampshire |
| 19 | Antony Chipas | 33 | Head | — | Massachusetts |
| 20 | Wilhemina Chipas | 35 | Wife | Insurance Agent | Massachusetts |
| 21 | Charles Chipas | 62 | Father | Stenographer | Lithuania |
| 22 | Theodora Chipas | 62 | Mother | — | Lithuania |
| 23 | Edward J. Gaffney | 38 | Head | — | Massachusetts |
| 24 | Ruth E. Gaffney | 36 | Wife | Clerk | Massachusetts |
| 25 | Edward E. Gaffney | 2 | Son | — | Massachusetts |
| 26 | Mary A. Gaffney | 75 | Mother | — | Massachusetts |
| 27 | Henry A. Gaffney | 63 | Head | Superintendent Water Dept. | Massachusetts |
| 28 | Anna G. Gaffney | 54 | Wife | — | New York |
| 29 | Elizabeth J. Gaffney | 19 | Daughter | — | Massachusetts |
| 30 | George H. Tenox | 37 | Head | Office Manager | Massachusetts |
| 31 | Robert Tenox | 10 | Son | — | Massachusetts |
| 32 | Richard Tenox | 9 | Son | — | Massachusetts |
| 33 | Jean Tenox | 6 | Son | — | Massachusetts |
| 34 | Mary A. Tenox | 73 | Mother | — | England |
| 35 | Gerald E. Towle | 34 | Head | Office Manager | New Hampshire |
| 36 | Beulah Towle | 32 | Wife | — | New Hampshire |
| 37 | Joyce Towle | 11 | Daughter | — | Massachusetts |
| 38 | Leslie Towle | 8 | Son | — | Massachusetts |
| 39 | Paul Towle | 2 | Son | — | Massachusetts |
| 40 | Extra Line Towle | 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)