CS
Cornelius Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New York, New York
Our Model Tree links this Cornelius Sullivan across the 1900, 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 4-person household.
Age 51
b. ~1879
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | Sullivan |
| Given Name | Cornelius F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 40 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Letter Carrier |
| Industry | U.S. Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Letter Carrier |
| Township / Ward | New York City |
| Est. Birth Year | ~1879 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Julia Sullivan | Daughter | — | 9 | ~1921 |
| Cornelius Sullivan | Head | — | 51 | ~1879 |
| Mary Sullivan | Daughter | — | 7 | ~1923 |
| Margaret Sullivan | Other | — | 46 | ~1884 |
Census Appearances
1900
New York, …
Other, age 24
New York, New York · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Bro in Law |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1876 |
| Year of Immigration | 1900 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New York, …
Other, age 33
New York, New York · implied b. ~1877 — 21 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1900 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Longshoreman |
| Industry | Docks |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 43
New York, New York · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Tender |
| Industry | Bar |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | R |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 51
New York, New York · implied b. ~1879 — 4 household members
| Surname | Sullivan |
| Given Name | Cornelius F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 40 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Letter Carrier |
| Industry | U.S. Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 (1900, 1910, 1920 and 1930) in New York, New York, using XGBoost record linkage.
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This person
Anchor record
Cornelius Sullivan
Head · 1930 · age 51 · b. ~1879 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — New York, New York
Open full size
1930 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1577:0071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Rump | 36 | Head | Carpenter | Estonia |
| 2 | Mary Rump | 27 | Wife-H | — | England |
| 3 | Patrick W Gray | 48 | R | Elevator Operator | Ireland |
| 4 | John Rambuis | 44 | Head | Plumber | Wisconsin |
| 5 | Margaret Evans | 55 | Lodger | Photographer | Wales |
| 6 | Mary Griffith | 55 | Head | Janitress | New York |
| 7 | Elizabeth Murray | 30 | Head | — | Scotland |
| 8 | John Murray | 8 | Son | — | Scotland |
| 9 | Elizabeth Murray | 6 | Daughter | — | Canada English |
| 10 | Thomas Murray | 4 | Son | — | Massachusetts |
| 11 | Margaret Murray | 2 | Daughter | — | New York |
| 12 | Joseph Blank | 75 | Head | Blacksmith | Sweden |
| 13 | Mathilda Blank | 67 | Wife-H | — | Sweden |
| 14 | Victor E Blank | 37 | Son | — | Sweden |
| 15 | Emil Ewankow | 36 | Head | Chef | Russia |
| 16 | Helen Ewankow | 26 | Wife-H | — | Austria |
| 17 | Gloria Ewankow | 5 | Daughter | — | New York |
| 18 | Emil Jr Ewankow | 3 | Son | — | New York |
| 19 | Lucy Ewankow | 3 | Daughter | — | New York |
| 20 | Sigmund Ewankow | 2 | Son | — | New York |
| 21 | Henry Ewankow | 2 | Son | — | New York |
| 22 | Sarkis Kafafian | 47 | Head | Tailor | Armenia |
| 23 | Anna Kafafian | 45 | Wife-H | — | Armenia |
| 24 | Gladys Kafafian | 14 | Daughter | — | New Jersey |
| 25 | Armen Kafafian | 11 | Son | — | New Jersey |
| 26 | Dickran Kafafian | 1 | Son | — | New York |
| 27 | Patrick J Cummings | 49 | Head | Foreman | Ireland |
| 28 | Annie Cummings | 50 | Wife-H | — | Ireland |
| 29 | Sarah E Cummings | 17 | Daughter | — | New York |
| 30 | Edward P Cummings | 16 | Son | — | New York |
| 31 | Daniel T Cummings | 14 | Son | — | New York |
| 32 | Cornelius F Sullivan THIS PERSON | 51 | Head | Letter Carrier | Ireland |
| 33 | Margaret J Sullivan | 46 | Wife-H | — | Ireland |
| 34 | Julia F Sullivan | 9 | Daughter | — | New York |
| 35 | Mary Sullivan | 7 | Daughter | — | New York |
| 36 | Ferdinand Carreras | 36 | Head | Office Clerk | Spain |
| 37 | Pura M Carreras | 35 | Wife-H | — | Porto Rico |
| 38 | Ferdinand Jr Carreras | 12 | Son | — | Porto Rico |
| 39 | Selma B Guilfoyle | 62 | Head-H | — | New York |
| 40 | Loretta J Fritz | 23 | Lodger | Clerk | New York |
| 41 | John J Reid | 23 | Head | Clerk | New York |
| 42 | Josephine E Reid | 49 | Mother-H | Housework | New York |
| 43 | James W Reid | 11 | Brother | — | New York |
| 44 | Edna T Reid | 7 | Sister | — | New York |
| 45 | Bernice M Reid | 1 | Daughter | — | New York |
| 46 | Nancy A Bristow | 55 | Aunt | — | New York |
| 47 | Thomas J Rice | 71 | Head | — | New York |
| 48 | Catherine Rice | 61 | Wife-H | — | New York |
| 49 | Stella T Sherman | 25 | Daughter | Packer | New York |
| 50 | George J Sherman | 32 | Son-in-law | Packer | California |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)