CS
Cornelius Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New York, New York
Our Model Tree links this Cornelius Sullivan across the 1900, 1910 and 1920 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 6-person household.
Age 55
b. ~1865
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | New York, New York |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Inspector |
| Industry | Water Dept |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1886 |
| Birthplace (normalized) | ireland |
| Occupation | Inspector |
| Township / Ward | New York City |
| Est. Birth Year | ~1865 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Mary Sullivan | Spouse | — | 55 | ~1865 |
| Katherine Sullivan | Daughter | — | 23 | ~1897 |
| James Sullivan | Son | — | 19 | ~1901 |
| Mary Sullivan | Daughter | — | 25 | ~1895 |
| Rose Sullivan | Daughter | — | 22 | ~1898 |
| Cornelius Sullivan | Head | — | 55 | ~1865 |
Census Appearances
1900
New York, …
Head, age 33
New York, New York · implied b. ~1867 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Feb |
| Birth Year | 1867 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Bricklayer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Kings, New …
Head, age 44
Kings, New York · implied b. ~1866 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 11 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Driver |
| Industry | Brewery |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 55
New York, New York · implied b. ~1865 — 6 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Inspector |
| Industry | Water Dept |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1886 |
| 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 (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Cornelius Sullivan
Head · 1920 · age 55 · b. ~1865 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — New York, New York
Open full size
1920 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1204unit:0919)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Pope | 25 | Head | Milk Man | New York |
| 2 | Marcena Pope | 22 | Wife | — | New York |
| 3 | Fred Frederick | 22 | Boarder | — | New York |
| 4 | Dennis Ryan | 70 | Head | Gardener | Ireland |
| 5 | Mary Ryan | 48 | Wife | Manager | New York |
| 6 | Dorothy Hare | 25 | Step dau | Bookkeeper | New York |
| 7 | Anna Krish | 70 | Head | Clerk | Bohemia |
| 8 | Millicent Krish | 28 | Daughter | — | New York |
| 9 | John Barrett | 32 | Head | — | New York |
| 10 | Mary Barrett | 29 | Wife | Specialist | Connecticut |
| 11 | Ellen Matthews | 55 | Mother-in-law | Teacher | England |
| 12 | Peter Quillan | 65 | Head | — | Ireland |
| 13 | Maria Quillan | 65 | Wife | Engineer | Ireland |
| 14 | Peter Quillan | 38 | Son | — | New York |
| 15 | Adel Quillan | 36 | Daughter | Examiner | New York |
| 16 | Cornelius Sullivan THIS PERSON | 55 | Head | Inspector | Ireland |
| 17 | Mary Sullivan | 55 | Wife | Foreman | Ireland |
| 18 | Mary E Sullivan | 25 | Daughter | — | New York |
| 19 | Katherine Sullivan | 23 | Daughter | Secretary | New York |
| 20 | Rose E Sullivan | 22 | Daughter | Secretary | New York |
| 21 | James Sullivan | 19 | Son | Clerk | New York |
| 22 | Francis Gurtz | 82 | Head | School | Germany |
| 23 | Bertha Gurtz | 66 | Sister-in-law | — | Germany |
| 24 | Joseph Barlow | 61 | Head | — | New York |
| 25 | Elizabeth Barlow | 53 | Wife | — | New York |
| 26 | Mary Kennedy | 53 | Sister-in-law | — | New York |
| 27 | Mark O'Connell | 49 | Head | Mail Clerk | Ireland |
| 28 | Margaret O'Connell | 48 | Wife | — | Ireland |
| 29 | Daniel O'Connell | 18 | Son | Bookkeeper | New York |
| 30 | Patrick O'Connell | 15 | Son | Messenger | New York |
| 31 | Mary Kelly | 67 | Head | Manager | Ireland |
| 32 | Mary Kelly | 30 | Daughter | — | New York |
| 33 | Mary Noonan | 63 | Head | Cleaner | New York |
| 34 | Margaret Noonan | 31 | Daughter | — | New York |
| 35 | Mary Noonan | 26 | Daughter | Teacher | New York |
| 36 | Daniel O'Connell | 46 | Head | Salesman | New York |
| 37 | Mary T O'Connell | 33 | Wife | Inspector | New York |
| 38 | Daniel O'Connell | 13 | Son | — | New York |
| 39 | Margaret M O'Connell | 10 | Daughter | — | New York |
| 40 | Elizabeth Engleman | 48 | Head | — | New York |
| 41 | Elizabeth Engleman | 20 | Daughter | — | New York |
| 42 | Fred Schwarz | 50 | Head | Investigator | Germany |
| 43 | Emma Schwarz | 53 | Wife | — | Germany |
| 44 | Augusta Schwarz | 30 | Daughter | Stenographer | New York |
| 45 | Emma Davis | 60 | Head | — | New York |
| 46 | Emma Davis | 38 | Daughter | Clerk | New York |
| 47 | Wanita Ryan | 24 | Boarder | — | New York |
| 48 | Anna Rooney | 50 | Head | — | Ireland |
| 49 | Martha Rooney | 21 | Daughter | Clerk | New York |
| 50 | Anna Rooney | 27 | Daughter | — | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)