JC
John Corcoran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Corcoran across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 7-person household.
Age 37
b. ~1903
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Corcoran |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Building Material |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2800 |
| Highest Grade | No 7 |
| 1935 Residence | New Jersey |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Truck Driver |
| Township / Ward | Newark City |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| James Corcoran | Son | — | 6 | ~1934 |
| Elizabeth Corcoran | Daughter | — | 10 | ~1930 |
| Lorraine Corcoran | Daughter | — | 14 | ~1926 |
| Jacqueline Corcoran | Daughter | — | 8 | ~1932 |
| Elizabeth Corcoran | Spouse | — | 34 | ~1906 |
| John Corcoran | Head | — | 37 | ~1903 |
| John Corcoran | Son | — | 7 | ~1933 |
Census Appearances
1930
New York, …
Head, age 28
New York, New York · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corcoran |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Truck |
| Industry | Driver |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $14 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Essex-County, New …
Head, age 37
Essex-County, New Jersey · implied b. ~1903 — 7 household members
| Surname | Corcoran |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Occupation | Truck Driver |
| Industry | Building Material |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2800 |
| Highest Grade | No 7 |
| 1935 Residence | New Jersey |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Corcoran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Corcoran
Head · 1940 · age 37 · b. ~1903 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02414-00506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theresa Kallesser | 29 | wife | Mechanic | Pennsylvania |
| 2 | Edward Reilly | 37 | Head | Mechanic | New Jersey |
| 3 | Catherine Reilly | 36 | wife | — | New Jersey |
| 4 | Mary Reilly | 14 | daughter | — | New Jersey |
| 5 | Catherine Reilly | 9 | daughter | — | New Jersey |
| 6 | Edward Reilly | 5 | son | — | New Jersey |
| 7 | Joan Ann Reilly | 3 | daughter | — | New Jersey |
| 8 | Thomas Fuquit | Fuquet | 47 | Head | Blacksmith | New York |
| 9 | Elizabeth Fuquit | Fuquet | 44 | wife | — | New Jersey |
| 10 | Thomas Fuquit | Fuquet | 21 | son | Chemist | New Jersey |
| 11 | John Fuquit | Fuquet | 16 | son | — | New Jersey |
| 12 | Charlie Fuquit | Fuquet | 9 | son | — | New Jersey |
| 13 | John Corcoran THIS PERSON | 37 | Head | Truck Driver | New York |
| 14 | Elizabeth Corcoran | 34 | wife | — | Hungary |
| 15 | Lorraine Corcoran | 14 | daughter | — | New Jersey |
| 16 | Elizabeth Corcoran | 10 | daughter | — | New Jersey |
| 17 | Jacqueline Corcoran | 8 | daughter | — | New Jersey |
| 18 | John Corcoran | 7 | son | — | New Jersey |
| 19 | James Corcoran | 6 | son | — | New Jersey |
| 20 | James O'Hare | 44 | Head | Teller | New Jersey |
| 21 | Catherine O'Hare | 40 | wife | — | New Jersey |
| 22 | Helene O'Hare | 20 | daughter | Stenographer | New Jersey |
| 23 | Cecile O'Hare | 18 | daughter | Stenographer | New Jersey |
| 24 | Jean O'Hare | 16 | daughter | — | New Jersey |
| 25 | Adelbert Schaffer | 42 | Head | Shipping Clerk | New York |
| 26 | Ada Schaffer | 32 | wife | Salesgirl | New Jersey |
| 27 | Francis W. Schaffer | 17 | son | — | New Jersey |
| 28 | Ida Bruen | 59 | Head | — | Cuba |
| 29 | Cornelius Ryan | 29 | Husband | Craneman | New Jersey |
| 30 | Gertrude Ryan | 26 | wife | — | New Jersey |
| 31 | Florence M. Dickerman | 63 | Head | — | Ohio |
| 32 | Thomas Vallely | 67 | Head | — | Ireland |
| 33 | Agnes Vallely | 64 | wife | — | Ireland |
| 34 | John J. Vallely | 29 | son | Butcher | New Jersey |
| 35 | Rosemary Whalen | 11 | Grand-Child | — | New Jersey |
| 36 | Joseph Menza | 48 | Head | Parking Station | New Jersey |
| 37 | Mary Menza | 43 | wife | — | New Jersey |
| 38 | Rose Menza | 24 | daughter | Nurse | New Jersey |
| 39 | Nicolas Menza | 19 | son | — | New Jersey |
| 40 | Joseph Jr. Menza | 17 | son | — | New Jersey |
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)