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John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Sullivan across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Neil & John — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | elevator operator |
| Industry | Hotel N.Y. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 208 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Elevator Operator |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Nora Sullivan | Daughter | — | 26 | ~1914 |
| Mary Sullivan | Daughter | — | 31 | ~1909 |
| Elizabeth Sullivan | Daughter | — | 20 | ~1920 |
| Neil Sullivan | Head | — | 56 | ~1884 |
| John Sullivan | Son | — | 22 | ~1918 |
| Catherine Sullivan | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Hudson, New …
Son, age 2
Hudson, New Jersey · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Hudson-County, New …
Son, age 22
Hudson-County, New Jersey · implied b. ~1918 — 6 household members
| Surname | Sullivan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | elevator operator |
| Industry | Hotel N.Y. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 208 |
| 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 Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Neil Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and father Dennis Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Neil Sullivan
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Dennis Sullivan
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sullivan
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Nora Sullivan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Sullivan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1940 · age 31
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-t0627-02410-00155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Karl | 61 | Head | Boilermaker | Rumania |
| 42 | Margaret Karl | 56 | Wife | — | Rumania |
| 43 | Henry Metcalfe | 54 | Head | Janitor | Ireland |
| 44 | Annie Metcalfe | 56 | Wife | — | Ireland |
| 45 | Edward Metcalfe | 30 | Son | Clerk | Ireland |
| 46 | Elizabeth Metcalfe | 26 | Daughter | Packer | Ireland |
| 47 | Thomas Metcalfe | 23 | Son | Orderly | Ireland |
| 48 | Bernadette Metcalfe | 22 | Daughter | Packer | Ireland |
| 49 | Anthony Metcalfe | 22 | Son | Clerk | Ireland |
| 50 | Brendon Metcalfe | 20 | Son | Clerk | Ireland |
| 51 | Aidan Metcalfe | 18 | Son | Clerk | Ireland |
| 52 | Horace Metcalfe | 15 | Son | — | Ireland |
| 53 | Cyril Metcalfe | 13 | Son | — | Ireland |
| 54 | Christopher Metcalfe | 11 | Son | — | New Jersey |
| 55 | Patricia Metcalfe | 2 | Daughter | — | New York |
| 56 | Charles Murphy | 42 | Head | Longshoreman | New York |
| 57 | Catherine Murphy | 36 | Wife | — | New Jersey |
| 58 | Charles Murphy | 12 | Son | — | New Jersey |
| 59 | William Murphy | 10 | Son | — | New Jersey |
| 60 | Rosemary Murphy | 6 | Daughter | — | New Jersey |
| 61 | Catherine Schumacher | 56 | Mother-in-law | Cleaner In Theater | New York |
| 62 | Bertha Ackerman | 66 | Friend | — | Poland |
| 63 | Neil Sullivan | 56 | Head | Laborer | New Jersey |
| 64 | Catherine Sullivan | 56 | Wife | — | Ireland |
| 65 | Mary Sullivan | 31 | Daughter | Packer | New Jersey |
| 66 | Nora Sullivan | 26 | Daughter | Packer | New Jersey |
| 67 | John Sullivan THIS PERSON | 22 | Son | Elevator Operator | New Jersey |
| 68 | Elizabeth Sullivan | 20 | Daughter | Bookkeeper | New Jersey |
| 69 | Walter Newman | 41 | Head | Bridgeman | Louisiana |
| 70 | Mary Newman | 44 | Wife | — | New Jersey |
| 71 | Brady Richard Newman | 24 | Son | Truck Driver | New Jersey |
| 72 | Georgiana Wagner | 18 | Daughter | New Worker | New Jersey |
| 73 | Dorothy Wagner | 13 | Daughter | — | New Jersey |
| 74 | Charles Wagner | 10 | Son | — | New Jersey |
| 75 | Joseph W. Sweeney | 49 | Head | District Manager | New Jersey |
| 76 | Ann Sweeney | 44 | Wife | — | New Jersey |
| 77 | Alice Sweeney | 24 | Daughter | Comptometer | New Jersey |
| 78 | Joseph W. Sweeney | 17 | Son | — | New Jersey |
| 79 | William Chaplin | 30 | Head | Clerk | New Jersey |
| 80 | June Chaplin | 31 | Wife | — | New Jersey |
Pedigree Summary
John + 3 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)