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John Corbett — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Corbett across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Corbett |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Laborer |
| Industry | City Dept. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Medford City |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Edward Corbett | Son | — | 27 | ~1913 |
| Katherine Corbett | Spouse | — | 58 | ~1882 |
| Redmond Corbett | Head | — | 60 | ~1880 |
| Michael Flanagan | Other | — | 71 | ~1869 |
| William Corbett | Son | — | 37 | ~1903 |
| John Corbett | Son | — | 24 | ~1916 |
| Patrick Corbett | Son | — | 32 | ~1908 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corbett |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 24
Middlesex-County, Massachusetts · implied b. ~1916 — 7 household members
| Surname | Corbett |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | City Dept. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Corbett across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Corbett
Son · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Edward Corbett
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Corbett
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Corbett
Sibling · 1940 · age 37
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-t0627-01612-00946)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy M. Vara | 35 | Wife | — | Massachusetts |
| 42 | Louise M. Vara | 7 | Daughter | — | Massachusetts |
| 43 | Frank Vara | 4 | Son | — | Massachusetts |
| 44 | John L. Whatley | 35 | Head | Chauffeur | Massachusetts |
| 45 | Mary V. Whatley | 29 | Wife | — | Eire |
| 46 | Randall W. Whatley | 9 | Son | — | Massachusetts |
| 47 | Joanne M. Whatley | 4 | Daughter | — | Massachusetts |
| 48 | André J. Brunelle | 38 | Head | Produce Helper | Canada French |
| 49 | Grace E. Brunelle | 28 | Wife | — | Massachusetts |
| 50 | Redmond Corbett | 60 | Head | Receiving Clerk | Eire |
| 51 | Katherine J. Corbett | 58 | Wife | — | Eire |
| 52 | William J. Corbett | 37 | Son | Laborer | Eire |
| 53 | Patrick J. Corbett | 32 | Son | Elevator Operator | Eire |
| 54 | Edward J. Corbett | 27 | Son | Salesman | Eire |
| 55 | John J. Corbett THIS PERSON | 24 | Son | Laborer | Massachusetts |
| 56 | Michael J. Flanagan | 71 | Brother-in-law | — | Eire |
| 57 | Frank Falasca | 44 | Head | Painter | Massachusetts |
| 58 | Rose D. Falasca | 44 | Wife | — | Massachusetts |
| 59 | Harold Falasca | 20 | Son | New Worker | Massachusetts |
| 60 | Frank Jr. Falasca | 18 | Son | — | Massachusetts |
| 61 | Daniel Falasca | 14 | Son | — | Massachusetts |
| 62 | Eugene Falasca | 12 | Son | — | Massachusetts |
| 63 | Eleanor Falasca | 10 | Daughter | — | Massachusetts |
| 64 | Pauline Falasca | 7 | Daughter | — | Massachusetts |
| 65 | Carolyn Falasca | 4 | Daughter | — | Massachusetts |
| 66 | B. Josephine Norton | 75 | Head | — | Scotland |
| 67 | Katherine Creney | 42 | Daughter | Clerk | Massachusetts |
| 68 | Dominick Poto | 67 | Head | — | Italy |
| 69 | Maria Poto | 67 | Wife | — | Italy |
| 70 | Domenick Gigliallo | 16 | Nephew | — | Massachusetts |
| 71 | Dora Gigliallo | 14 | Niece | — | Massachusetts |
| 72 | Christine Gigliallo | 29 | Head | — | Italy |
| 73 | Joseph Gigliallo | 9 | Son | — | Massachusetts |
| 74 | Eugene W. King | 82 | Head | — | Massachusetts |
| 75 | Katherine A. King | 75 | Wife | — | Eire |
| 76 | Henry A. Center | 66 | Head | — | Vermont |
| 77 | Mary E. Center | 62 | Wife | — | Massachusetts |
| 78 | Mary L. Center | 32 | Daughter | Bookkeeper | Massachusetts |
| 79 | Arthur R. Center | 29 | Son | Laborer | Massachusetts |
| 80 | Edward L. Center | 35 | Head | Truck Driver | Massachusetts |
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)