JH
John Hickey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Hickey across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 15-person household.
Age 23
b. ~1917
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Hickey |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Laboratory Technician |
| Industry | Linil Foods |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 170 |
| Highest Grade | H-3 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Laboratory Technician |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1917 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Hickey | Daughter | — | 14 | ~1926 |
| Margaret Hickey | Daughter | — | 6 | ~1934 |
| Veronica Hickey | Daughter | — | 10 | ~1930 |
| Catherine Hickey | Daughter | — | 12 | ~1928 |
| Therese Hickey | Daughter | — | 5 | ~1935 |
| Ann Hickey | Daughter | — | 18 | ~1922 |
| Helen Hickey | Daughter | — | 19 | ~1921 |
| Thomas Hickey | Head | — | 50 | ~1890 |
| Michael Hickey | Son | — | 1 | ~1939 |
| Joseph Hickey | Son | — | 9 | ~1931 |
| John Hickey | Son | — | 23 | ~1917 |
| William Hickey | Son | — | 8 | ~1932 |
| James Hickey | Son | — | 1 | ~1939 |
| Thomas Hickey | Son | — | 11 | ~1929 |
| Catherine Hickey | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Hudson, New …
Son, age 14
Hudson, New Jersey · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 23
Hudson-County, New Jersey · implied b. ~1917 — 15 household members
| Surname | Hickey |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Laboratory Technician |
| Industry | Linil Foods |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 170 |
| Highest Grade | H-3 |
| 1935 Residence | New Jersey |
| 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 Hickey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hickey
Son · 1940 · age 23 · b. ~1917 · New Jersey
★ You are viewing this record
Sibling
Ann Hickey
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Hickey
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hickey
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Hickey
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hickey
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hickey
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hickey
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hickey
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Therese Hickey
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hickey
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hickey
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Hickey
Sibling · 1940 · age 1
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02406-00191)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Fritze | 13 | son | — | New Jersey |
| 42 | Eugene Fritze | 11 | son | — | New Jersey |
| 43 | Robert Fritze | 9 | son | — | New Jersey |
| 44 | Gerard Fritze | 2 | son | — | New Jersey |
| 45 | Helen Fritze | 17 | maid | Maid | New Jersey |
| 46 | Louis Callas | 51 | head | Proprietor | Greece |
| 47 | Jeanette Callas | 35 | wife | — | Greece |
| 48 | Catherine Callas | 14 | daughter | — | New Jersey |
| 49 | George Callas | 13 | son | — | New Jersey |
| 50 | Elizabeth Elliott | 81 | head | — | New Jersey |
| 51 | Laura Elliott | 65 | sister | Proprietor | New Jersey |
| 52 | Sarah Elliott | 65 | sister | — | New Jersey |
| 53 | William Elliott | 25 | nephew | Substitute Teacher | New Jersey |
| 54 | Mary Mcdevitt | 20 | maid | Maid | New York |
| 55 | Thomas Hickey | 50 | head | Detective | New Jersey |
| 56 | Catherine Hickey | 47 | wife | — | New Jersey |
| 57 | John Hickey THIS PERSON | 23 | son | Laboratory Technician | New Jersey |
| 58 | Helen Hickey | 19 | daughter | — | New Jersey |
| 59 | Ann Hickey | 18 | daughter | — | New Jersey |
| 60 | Mary Hickey | 14 | daughter | — | New Jersey |
| 61 | Catherine Hickey | 12 | daughter | — | New Jersey |
| 62 | Thomas Hickey | 11 | son | — | New Jersey |
| 63 | Veronica Hickey | 10 | daughter | — | New Jersey |
| 64 | Joseph Hickey | 9 | son | — | New Jersey |
| 65 | William Hickey | 8 | son | — | New Jersey |
| 66 | Margaret Hickey | 6 | daughter | — | New Jersey |
| 67 | Therese Hickey | 5 | daughter | — | New Jersey |
| 68 | Michael Hickey | 1 | son | — | New Jersey |
| 69 | James Hickey | 1 | son | — | New Jersey |
| 70 | Thomas Connolly | 49 | head | Medical Doctor | New Jersey |
| 71 | Beatrice Connolly | 34 | wife | — | New York |
| 72 | Dorothy Connolly | 14 | daughter | — | New Jersey |
| 73 | Bruce Connolly | 11 | son | — | New Jersey |
| 74 | Marie Louise Connolly | 5 | daughter | — | New Jersey |
| 75 | Jennie Gillespie | 28 | maid | Maid | So Carolina |
| 76 | Peter Breen | 43 | head | Bartender | New Jersey |
| 77 | Agnes Breen | 38 | wife | — | New Jersey |
| 78 | Mary Breen | 36 | daughter | Clerk | New Jersey |
| 79 | Peter Breen | 33 | son | Laborer | New Jersey |
| 80 | Agnes Breen | 26 | daughter | Laboratory Technician | 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)