JS
John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this John Sullivan across the 1920, 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Sullivan |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Ramsey borough |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | lawyer |
| Industry | law office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Lawyer |
| Township / Ward | Ramsey Borough |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rosemary Sullivan | Daughter | — | 18 | ~1922 |
| Virginia Sullivan | Daughter | — | 22 | ~1918 |
| John Sullivan | Head | — | 57 | ~1883 |
| John Sullivan | Son | — | 27 | ~1913 |
| Elizabeth Sullivan | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Hudson, New …
Son, age 6
Hudson, New Jersey · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 17
Hudson, New Jersey · implied b. ~1913 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Apprentice |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Son, age 27
Bergen-County, New Jersey · implied b. ~1913 — 5 household members
| Surname | Sullivan |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Ramsey borough |
| 1935 Residence (County) | Bergen |
| Occupation | lawyer |
| Industry | law office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | C 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 John Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Alice Sullivan (~0.92 confidence) and mother Elizabeth Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Alice Sullivan
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sullivan
Son · 1940 · age 27 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
Rosemary Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Sullivan
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 — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02312-00923)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred W. Storer | 53 | Head | Proprietor | Connecticut |
| 2 | Elsie M. Storer | 56 | Wife | None | New Jersey |
| 3 | Patricia Storer | 23 | Daughter | Secretary | New York |
| 4 | Cyril Storer | 21 | Son | None | New York |
| 5 | Adelaide Storer | 19 | Daughter | None | New Jersey |
| 6 | Charlotte Popkins | 42 | Lodger | Housekeeping | New York |
| 7 | Lucy Storer | 73 | Mother | None | Canada-Eng |
| 8 | Henry Ullmer | 43 | Head | Operator | New Jersey |
| 9 | Lillian Ullmer | 42 | Wife | Housework | New Jersey |
| 10 | Lillian Snyder | 22 | Daughter | Stenographer | New Jersey |
| 11 | Flora E. Snyder | 14 | Daughter | None | New Jersey |
| 12 | Alice Snyder | 10 | Daughter | None | New Jersey |
| 13 | Joan Snyder | 7 | Daughter | None | New Jersey |
| 14 | Harry Hall | 25 | Boarder | Laborer | New Jersey |
| 15 | Gustave Johnson | 81 | Head | Proprietor | Sweden |
| 16 | Anna F. Johnson | 79 | Wife | None | Sweden |
| 17 | Edward M. Johnson | 46 | Son | Garden Keeper | Pennsylvania |
| 18 | Anna F. Conover | 58 | Daughter | Cook | Pennsylvania |
| 19 | Walter Heart | 33 | Head | Switchman | New Jersey |
| 20 | Ann Heart | 29 | Wife | None | New Jersey |
| 21 | Flora Heart | 10 | Daughter | None | New Jersey |
| 22 | Francis E. Taufner | 55 | Head | Inspector | New York |
| 23 | Harry Cahill | 48 | Head | Mechanic | New York |
| 24 | Harriet Cahill | 45 | Wife | None | New York |
| 25 | William Cahill | 21 | Son | None | New York |
| 26 | Harry Cahill | 23 | Son | Apprentice | New York |
| 27 | Edward Mullen | 42 | Head | Chief Clerk | New Jersey |
| 28 | Anna Mullen | 36 | Wife | None | New Jersey |
| 29 | John J. Sullivan | 57 | Head | Lawyer | New Jersey |
| 30 | Elizabeth Sullivan | 56 | Wife | None | New Jersey |
| 31 | John Jr. Sullivan THIS PERSON | 27 | Son | Lawyer | New Jersey |
| 32 | Virginia M. Sullivan | 22 | Daughter | Teacher | New Jersey |
| 33 | Rosemary M. Sullivan | 18 | Daughter | None | New Jersey |
| 34 | Catherine E. Goggin | 64 | Head | Librarian | New Jersey |
| 35 | Clarence Ashley | 74 | Head | Proof Reader | New Jersey |
| 36 | Henry Saris | 47 | Son-in-law | Proprietor | New York |
| 37 | Alice Saris | 44 | Daughter | None | New Jersey |
| 38 | Alice Saris | 7 | Daughter | None | New Jersey |
Pedigree Summary
John + 2 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)