JC
John Coffey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Coffey across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | COFFEY |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | general utility man |
| Industry | Motor Assembly |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | General Utility Man |
| Township / Ward | West Orange |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Harold Coffey | Son | — | 23 | ~1917 |
| John Coffey | Son | — | 25 | ~1915 |
| Douglas Coffey | Son | — | 22 | ~1918 |
| Bertha Coffey | Spouse | — | 50 | ~1890 |
| Alvin Coffey | Son | — | 17 | ~1923 |
| Edith Coffey | Daughter | — | 15 | ~1925 |
| James Coffey | Head | — | 53 | ~1887 |
| Norma Coffey | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Essex, New …
Son, age 15
Essex, New Jersey · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coffey |
| Given Name | John N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 25
Essex-County, New Jersey · implied b. ~1915 — 8 household members
| Surname | COFFEY |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | West Orange |
| 1935 Residence (County) | Essex |
| Occupation | general utility man |
| Industry | Motor Assembly |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Coffey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Coffey
Son · 1940 · age 25 · b. ~1915 · New Jersey
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Sibling
Norma Coffey
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Coffey
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Coffey
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Coffey
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Coffey
Sibling · 1940 · age 22
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02341-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leonard Iatesta | 27 | Son | Machinist | New Jersey |
| 42 | Matthew Iatesta | 25 | Son | — | New Jersey |
| 43 | Rose Powell | 31 | Daughter | — | Italy |
| 44 | Thomas Powell | 3 | Grandson | — | New Jersey |
| 45 | Harry Nelson | 52 | Head | Horseshoer | New Jersey |
| 46 | Rose Nelson | 52 | Wife | — | Irish Free State |
| 47 | Rose E. Nelson | 25 | Daughter | Sales Clerk | New Jersey |
| 48 | George Nelson | 26 | Son | Sheet Tester | New Jersey |
| 49 | Muriel Nelson | 23 | Daughter-in-law | — | New Jersey |
| 50 | Ronald S. Nelson | 2 | Grandson | — | New Jersey |
| 51 | James Coffey | 53 | Head | Claim Adjuster | New Jersey |
| 52 | Bertha F. Coffey | 50 | Wife | — | New Jersey |
| 53 | John A. Coffey THIS PERSON | 25 | Son | General Utility Man | New Jersey |
| 54 | Harold L. Coffey | 23 | Son | Manager Gas Station | New Jersey |
| 55 | Douglas S. Coffey | 22 | Son | Office Clerk | New Jersey |
| 56 | Alvin J. Coffey | 17 | Son | — | New Jersey |
| 57 | Edith C. Coffey | 15 | Daughter | — | New Jersey |
| 58 | Norma R. Coffey | 12 | Daughter | — | New Jersey |
| 60 | Francis Smith | 55 | Head | — | New Jersey |
| 61 | Arthur S. Smith | 36 | Son | Freight Rate Clerk | New Jersey |
| 62 | Kenneth Smith | 33 | Son | — | New Jersey |
| 63 | Frederick Haggerty | 20 | Head | — | New Jersey |
| 64 | Vivian Haggerty | 24 | Wife | — | New Jersey |
| 65 | Eleanor E. Van Riper | 81 | Head | — | Indiana |
| 66 | Marie E. Van Riper | 45 | Daughter | Housekeeper | New Jersey |
| 67 | Eva A. Dunlap | 77 | Head | — | New Jersey |
| 68 | Paul Bellarine | 54 | Head | Barber | Italy |
| 69 | Frances Bellarine | 55 | Wife | — | New Jersey |
| 70 | Charles Bellarine | 24 | Son | Wire Conductor | New Jersey |
| 71 | Paul Jr. Bellarine | 22 | Son | Office Clerk | New Jersey |
| 72 | Ralph Bellarine | 21 | Son | Baseball Player | New Jersey |
| 73 | Frances Bellarine | 23 | Daughter | — | New Jersey |
| 74 | George Bellarine | 21 | Son | News Worker | New Jersey |
| 75 | Charlotte Bellarine | 19 | Daughter | — | New Jersey |
| 76 | Dorothy Heffney | 25 | Lodger | — | Ohio |
| 77 | Joseph Blunk | 32 | Head | — | New Jersey |
| 78 | Marie Blunk | 32 | Wife | — | New Jersey |
| 79 | Joan Blunk | 8 | Daughter | — | New Jersey |
| 80 | Anne Blunk | 6 | Daughter | — | 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)