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 head (b.~1904), then head of a 7-person household.
Age 36
b. ~1904
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Coffey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | supervising clerk |
| Industry | street improvement |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2661 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Supervising Clerk |
| Township / Ward | Newark |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Mary Coffey | Daughter | — | 3 | ~1937 |
| Catherine Coffey | Daughter | — | 11 | ~1929 |
| Helen Coffey | Daughter | — | 7 | ~1933 |
| John Coffey | Head | — | 36 | ~1904 |
| James Coffey | Son | — | 8 | ~1932 |
| Ellen Coffey | Spouse | — | 38 | ~1902 |
| John Coffey | Son | — | 10 | ~1930 |
Census Appearances
1930
Essex, New …
Head, age 28
Essex, New Jersey · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coffey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | First papers filed |
| Year of Immigration | 1924 |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | England |
| Occupation | Assistant Cashier |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 40. |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Essex-County, New …
Head, age 36
Essex-County, New Jersey · implied b. ~1904 — 7 household members
| Surname | Coffey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | supervising clerk |
| Industry | street improvement |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2661 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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.
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This person
Anchor record
John Coffey
Head · 1940 · age 36 · b. ~1904 · 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-t0627-02425-00704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola Richardson | 35 | Wife | — | New Jersey |
| 42 | Francis Richardson | 13 | Daughter | — | New Jersey |
| 43 | Thomas Richardson | 10 | Son | — | New Jersey |
| 44 | Gerard Richardson | 10 | Son | — | New Jersey |
| 45 | Kenneth Richardson | 8 | Son | — | New Jersey |
| 46 | Arlene Richardson | 6 | Daughter | — | New Jersey |
| 47 | Gale Richardson | 3 | Daughter | — | New Jersey |
| 48 | Beverly Richardson | 1 | Daughter | — | New Jersey |
| 49 | Malcolm Strothers | 32 | Head | Auto Mechanic | New Jersey |
| 50 | Doris Strothers | 30 | Wife | — | Massachusetts |
| 51 | Malvin Strothers | 8 | Son | — | New Jersey |
| 52 | Bert Strothers | 7 | Son | — | New Jersey |
| 53 | William Strothers | 6 | Son | — | New Jersey |
| 54 | Charles Strothers | 5 | Son | — | New Jersey |
| 55 | George Strothers | 3 | Son | — | New Jersey |
| 56 | John Strothers | 2 | Son | — | New Jersey |
| 57 | John Schwartzman | 32 | Head | Laborer | New Jersey |
| 58 | Viola Schwartzman | 23 | Wife | — | New Jersey |
| 59 | William Schwartzman | 4 | Son | — | New Jersey |
| 60 | Lorraine Schwartzman | 2 | Daughter | — | New Jersey |
| 61 | Robert Schwartzman | 0 | Son | — | New Jersey |
| 62 | John Coffey THIS PERSON | 36 | Head | Supervising Clerk | England |
| 63 | Ellen Coffey | 38 | Wife | — | Irish Free State |
| 64 | Catherine Coffey | 11 | Daughter | — | New Jersey |
| 65 | John Coffey | 10 | Son | — | New Jersey |
| 66 | James Coffey | 8 | Son | — | New Jersey |
| 67 | Helen Coffey | 7 | Daughter | — | New Jersey |
| 68 | Mary Coffey | 3 | Daughter | — | New Jersey |
| 69 | Albert E. Carver | 55 | Head | Laborer | England |
| 70 | Doris G. Carver | 31 | Wife | — | Connecticut |
| 71 | Alfred R. Carver | 14 | Son | — | New Jersey |
| 72 | Marion D. Carver | 9 | Daughter | — | New Jersey |
| 73 | Barbara M. Carver | 6 | Daughter | — | New Jersey |
| 74 | Ruth E. Carver | 5 | Daughter | — | New Jersey |
| 75 | Gladys J. Carver | 4 | Daughter | — | New Jersey |
| 76 | Beverly A. Carver | 2 | Daughter | — | New Jersey |
| 77 | Frank Nick | 47 | Head | Curb Setter | Yugoslavia |
| 78 | Pauline Nick | 42 | Wife | — | Poland |
| 79 | Eleanor Nick | 17 | Daughter | New Worker | New Jersey |
| 80 | Frank Durning | 59 | Head | Laborer | 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)