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 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 4-person household.
Age 40
b. ~1890
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | no |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Manhattan Boro |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Cornelius Sullivan | Head | — | 40 | ~1890 |
| William Sullivan | Son | — | 9 | ~1921 |
| Albert Sullivan | Son | — | 3 | ~1927 |
| Anna Sullivan | Spouse | — | 36 | ~1894 |
Census Appearances
1910
New York, …
Other, age 22
New York, New York · implied b. ~1888 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ireland |
| Children Living | 1902 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Street |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Other, age 31
New York, New York · implied b. ~1889 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Switchman |
| Industry | R Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 40
New York, New York · implied b. ~1890 — 4 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | no |
| 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 3 US Census years (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 40 · b. ~1890 · 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:newyorkcensus00reel1571:0227)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Philip Lous | 39 | Head | Labor | Ireland |
| 2 | Nellie Lous | 41 | Wife | — | Ireland |
| 3 | Mary Lous | 15 | Daughter | None | New York |
| 4 | Kathleen Lous | 13 | Daughter | None | New York |
| 5 | John Lous | 9 | Son | None | New York |
| 6 | Eleanor Lous | 7 | Daughter | None | New York |
| 7 | Patrick Kelleher | 35 | Head | Labor | Ireland |
| 8 | Mary Kelleher | 30 | Wife | None | Ireland |
| 9 | Anna Kelleher | 7 | Daughter | None | New York |
| 10 | William Kelleher | 5 | Son | None | New York |
| 11 | John Kelleher | 2 | Son | None | New York |
| 12 | William Murphy | 27 | Head | Labor | New York |
| 13 | Annie Murphy | 25 | Wife | None | New York |
| 14 | William Jr. Murphy | 5 | Son | None | New York |
| 15 | Patrick Leahy | 38 | Head | Labor | Ireland |
| 16 | Mary Leahy | 36 | Wife | None | Ireland |
| 17 | Anna Leahy | 7 | Daughter | None | New York |
| 18 | John Leahy | 5 | Son | None | New York |
| 19 | Cornelius Sullivan THIS PERSON | 40 | Head | None | Ireland |
| 20 | Anna Sullivan | 36 | Wife | Labor | Ireland |
| 21 | William Sullivan | 9 | Son | None | New York |
| 22 | Albert Sullivan | 3 | Son | None | New York |
| 23 | Joseph J. Johnson | 37 | Head | Clerk | New York |
| 24 | Katherine Johnson | 27 | Wife | None | New York |
| 25 | Anna Johnson | 3 | Daughter | None | New York |
| 26 | Mary Johnson | 1 | Daughter | None | New York |
| 27 | William Milback | 45 | Head | Waiter | Germany |
| 28 | Agnes Milback | 30 | Wife | None | Germany |
| 29 | Linda Milback | 7 | Daughter | None | Germany |
| 30 | Julia Milback | 3 | Daughter | None | New York |
| 31 | John Castka | 34 | Head | Tin Smith | Germany |
| 32 | Mary Castka | 37 | Wife | None | Germany |
| 33 | John Jr. Castka | 5 | Son | None | New York |
| 34 | Albert Castka | 3 | Son | None | New York |
| 35 | William Hornickle | 36 | Head | Servant | Germany |
| 36 | Anna Hornickle | 30 | Wife | None | Germany |
| 37 | Louis Hornickle | 7 | Son | None | Germany |
| 38 | John Hornickle | 2 | Son | None | New York |
| 39 | John Finn | 50 | Head | Contractor | Ireland |
| 40 | Mary Finn | 42 | Wife | None | Ireland |
| 41 | Katherine Finn | 13 | Daughter | None | New York |
| 42 | John Jr. Finn | 9 | Son | None | New York |
| 43 | James Finn | 7 | Son | None | New York |
| 44 | Michael Donoghue | 37 | Head | Labor | Ireland |
| 45 | Anna Donoghue | 31 | Wife | None | Ireland |
| 46 | Patrick Donoghue | 5 | Son | None | New York |
| 47 | John Donoghue | 3 | Son | None | New York |
| 48 | Mary Donoghue | 2 | Daughter | None | New York |
| 49 | Philip Mccarthy | 31 | Head | Janitor | New York |
| 50 | Gladys Mccarthy | 7 | Daughter | None | New York |
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)