DS
Daniel Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Daniel Sullivan across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Margaret & Margaret — first a son (b.~1918), then head of a 5-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 | Daniel |
| 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 | Clerk |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Agnes Sullivan | Daughter | — | 26 | ~1914 |
| Margaret Sullivan | Head | — | 55 | ~1885 |
| Margaret Murphy | Other | — | 85 | ~1855 |
| Daniel Sullivan | Son | — | 22 | ~1918 |
| Thomas Sullivan | Son | — | 19 | ~1921 |
Census Appearances
1920
Hudson, New …
Son, age 2
Hudson, New Jersey · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| 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 — 5 household members
| Surname | Sullivan |
| Given Name | Daniel |
| 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 | Clerk |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 3 |
| 1935 Residence | Same House |
| 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 Daniel Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence) and father Joseph Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Joseph Sullivan
b. ~1894
Source father
● Household
· direct · ~0.92
This person
Anchor record
Daniel Sullivan
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Agnes Sullivan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1940 · age 19
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-t0627-02401-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Connelly | 19 | Son | New-Worker | New Jersey |
| 42 | Harry Rothermel | 28 | Step-son | Laborer | New York |
| 43 | Eddie Rothermel | 24 | Step-son | Office | New York |
| 44 | Patrick Leary | 63 | Head | Foreman | New Jersey |
| 45 | Elizabeth Leary | 61 | Wife | — | New Jersey |
| 46 | Michael Leary | 28 | Son | Book-Keeper | New Jersey |
| 47 | Harold Leary | 21 | Son | Laborer | New Jersey |
| 48 | Julia Foster | 58 | Head | — | New Jersey |
| 49 | Howard Sharp | 32 | Son-in-law | Laborer | New Jersey |
| 50 | Mary Sharp | 35 | Daughter | — | New Jersey |
| 51 | Joan Sharp | 2 | Daughter | — | New Jersey |
| 52 | Michael Foster | 68 | Head | — | New Jersey |
| 53 | Joseph Leary | 35 | Head | Truck-Driver | New Jersey |
| 54 | Catherine Leary | 35 | Wife | — | New York |
| 55 | Catherine Leary | 9 | Daughter | — | New Jersey |
| 56 | Charles A. Thalman | 39 | Head | Checker | New Jersey |
| 57 | Michael Mcnally | 31 | Head | Laborer | New Jersey |
| 58 | Helen Mcnally | 30 | Wife | — | New Jersey |
| 59 | Frank Rabone | 34 | Head | Laborer | Connecticut |
| 60 | Anna Rabone | 43 | Wife | — | New York |
| 61 | Louis Rothermel | 28 | Head | Laborer | New York |
| 62 | Emily Rothermel | 25 | Wife | — | New Jersey |
| 63 | Joseph Murray | 25 | Head | Truck-Driver | New Jersey |
| 64 | Susie Murray | 23 | Wife | — | New York |
| 65 | Joanne Murray | 1 | Daughter | — | New Jersey |
| 66 | Francis Jr. Lemkan | 34 | Head | Truck-Driver | New Jersey |
| 67 | Anna Lemkan | 30 | Wife | — | New Jersey |
| 68 | Francis Jr. Lemkan | 7 | Son | — | New Jersey |
| 69 | Edward Jr. Barry | 23 | Head | Truck-Driver | New Jersey |
| 70 | Alice Barry | 22 | Wife | — | New Jersey |
| 71 | Edward Jr. Barry | 1 | Son | — | New Jersey |
| 72 | Margaret Sullivan | 55 | Head | — | New Jersey |
| 73 | Agnes Sullivan | 26 | Daughter | Operator | New Jersey |
| 74 | Daniel Sullivan THIS PERSON | 22 | Son | Clerk | New Jersey |
| 75 | Thomas Sullivan | 19 | Son | New-Worker | New Jersey |
| 76 | Margaret Murphy | 85 | Mother | — | Northern Ireland |
| 77 | Mary Dombrowski | 42 | Head | Candy-Store | Poland |
| 78 | Stanley Dombrowski | 21 | Son | New-Worker | New Jersey |
| 79 | Frances Dombrowski | 17 | Daughter | New-Worker | New Jersey |
| 80 | Anna Dombrowski | 17 | Daughter | New-Worker | New Jersey |
Pedigree Summary
Daniel + 2 siblings
Gen 1 · 3 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)