CS
Cornelius Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Queens-County, New York
Our Model Tree links this Cornelius Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed), with identified parents Patrick & Elizabeth — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Additional Details | |
| Occupation | Police Sergeant |
| Industry | Police Dept |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 3300 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Police Sergeant |
| Township / Ward | New York City |
| Est. Birth Year | ~1901 |
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 Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Daniel Sullivan | Son | — | 7 | ~1933 |
| Cornelius Sullivan | Son | — | 4 | ~1936 |
| Marguerite Sullivan | Spouse | — | 32 | ~1908 |
| Thomas Sullivan | Son | — | 4 | ~1936 |
| Irene Sullivan | Daughter | — | 8 | ~1932 |
| Marguerite Sullivan | Daughter | — | 10 | ~1930 |
| Cornelius Sullivan | Head | — | 39 | ~1901 |
Census Appearances
1910
New York, …
Son, age 10
New York, New York · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
New York, …
Son, age 18
New York, New York · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Custom House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Queens, New …
Head, age 29
Queens, New York · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Patrolman |
| Industry | Police Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 70 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Queens-County, New …
Head, age 39
Queens-County, New York · implied b. ~1901 — 7 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Occupation | Police Sergeant |
| Industry | Police Dept |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 3300 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Cornelius Sullivan across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Patrick Sullivan (~0.92 confidence) and mother Elizabeth Sullivan (~0.92 confidence) and mother Hanna Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sullivan
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Sullivan
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Hanna Sullivan
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Cornelius Sullivan
Head · 1940 · age 39 · b. ~1901 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Queens-County, New York
Open full size
1940 US Federal Census — Queens-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02747-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Kupling | 18 | Son | — | New York |
| 2 | John Ferraro | 34 | Head | Butcher | New York |
| 3 | Ada Ferraro | 30 | Wife | — | New York |
| 4 | Virginia Ferraro | 4 | Daughter | — | New York |
| 5 | Margaret Ferraro | 3 | Daughter | — | New York |
| 6 | William Hesse | 44 | Head | Salesman | New York |
| 7 | Amelia Hesse | 45 | Wife | — | New York |
| 8 | Virginia Hesse | 17 | Daughter | — | New York |
| 9 | Philip Ross | 38 | Head | Salesman | New York |
| 10 | Marion Ross | 36 | Wife | — | New York |
| 11 | Joan Ross | 10 | Daughter | — | New York |
| 12 | Richard Haas | 72 | Father | — | New York |
| 13 | Joseph Sheldrake | 53 | Head | Photography | New York |
| 14 | Emily Sheldrake | 50 | Wife | — | New York |
| 15 | Ruth Sheldrake | 22 | Daughter | Clerk | New York |
| 16 | Gloria Sheldrake | 14 | Daughter | — | New York |
| 17 | Warren Sheldrake | 26 | Son | Clerk | New York |
| 18 | Charles Kunapnabas | 53 | Head | Mechanic | Lithuania |
| 19 | Mary Kunapnabas | 53 | Wife | — | Lithuania |
| 20 | Jane Kunapnabas | 26 | Daughter | — | New York |
| 21 | Anna Kunapnabas | 28 | Daughter | Stenograph | New York |
| 22 | Herbert Meyer | 25 | Head | Helper | New York |
| 23 | Florence Meyer | 24 | Wife | — | New York |
| 24 | Emma Tompkins | 72 | Mother | — | New York |
| 25 | Cornelius Sullivan THIS PERSON | 39 | Head | Police Sergeant | New York |
| 26 | Marguerite Sullivan | 32 | Wife | — | New York |
| 27 | Thomas Sullivan | 4 | Son | — | New York |
| 28 | Cornelius Jr Sullivan | 4 | Son | — | New York |
| 29 | Marguerite Sullivan | 10 | Daughter | — | New York |
| 30 | Irene Marie Sullivan | 8 | Daughter | — | New York |
| 31 | Daniel Sullivan | 7 | Son | — | New York |
| 32 | Andrew Eadie | 45 | Head | Driver | New York |
| 33 | Mary Eadie | 50 | Wife | — | New York |
| 34 | Ruth Eadie | 21 | Daughter | Check Girl | New York |
| 35 | Howard Eadie | 20 | Son | Clerical Work | New York |
| 36 | Andrew Jr Eadie | 12 | Son | — | New York |
| 37 | Ernest Eadie | 11 | Son | — | New York |
| 38 | Michael Case | 29 | Head | Motorman | New York |
| 39 | Frank Case | 69 | Father | — | Italy |
| 40 | Raymond Case | 4 | Son | — | New York |
Pedigree Summary
Cornelius
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)