CS
Cornelius Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Bronx, New York
Our Model Tree links this Cornelius Sullivan across the 1900, 1910 and 1920 US Censuses in Bronx, New York (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1882), then head of a 3-person household.
Age 38
b. ~1882
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Bronx, New York |
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Engineer |
| Industry | Railroad |
| 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 | 1913 |
| Birthplace (normalized) | ireland |
| Occupation | Engineer |
| Township / Ward | New York City Bronx Borough |
| Est. Birth Year | ~1882 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Cornelius | Age | Birth yr |
|---|---|---|---|---|
| Cornelius Sullivan | Head | — | 38 | ~1882 |
| John Sullivan | Son | — | 5 | ~1915 |
| Nora Sullivan | Spouse | — | 35 | ~1885 |
Census Appearances
1900
New York, …
Son, age 20
New York, New York · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1880 |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| 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 28
New York, New York · implied b. ~1882 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Cousin |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| 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
Bronx, New …
Head, age 38
Bronx, New York · implied b. ~1882 — 3 household members
| Surname | Sullivan |
| Given Name | Cornelius |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Engineer |
| Industry | Railroad |
| 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 | 1913 |
| 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. Identified parents: mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Sullivan
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Cornelius Sullivan
Head · 1920 · age 38 · b. ~1882 · 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 — Bronx, New York
Open full size
1920 US Federal Census — Bronx, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1141unit:0676)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Somers | 74 | Head | Salesman | Ireland |
| 2 | Margaret Somers | 43 | Daughter | Saleswoman | New York |
| 3 | Alice Somers | 40 | Daughter | — | New York |
| 4 | James Byrnes | 35 | Head | Chauffeur | Ireland |
| 5 | Ellen Byrnes | 38 | Wife | Waitress | Ireland |
| 6 | Bridget Byrnes | 12 | Daughter | — | New York |
| 7 | Mary Byrnes | 12 | Daughter | — | New York |
| 8 | John Hayes | 24 | Head | Bookkeeper | New York |
| 9 | Lillian Hayes | 20 | Wife | — | New York |
| 10 | Muriel Hayes | 1 | Daughter | — | New York |
| 11 | Harry Astrachan | 30 | Head | Chauffeur | Russia |
| 12 | Annie Astrachan | 26 | Wife | — | New York |
| 13 | Lawrence B Astrachan | 4 | Son | — | New York |
| 14 | Raymond Astrachan | 1 | Son | — | New York |
| 15 | Bernard Boesch | 57 | Head | — | Switzerland |
| 16 | Augusta Boesch | 55 | Wife | — | New York |
| 17 | Frank Braun | 32 | Head | Salesman | New York |
| 18 | Augusta Braun | 20 | Wife | — | New York |
| 19 | Anthony Noack | 27 | Head | Engineer | New York |
| 20 | Jessie Noack | 26 | Wife | — | New York |
| 21 | Henry R Noack | 1 | Son | — | Massachusetts |
| 22 | Ida Hill | 49 | Head | — | New York |
| 23 | Gustav Schramm | 25 | Son | Mechanic | New York |
| 24 | Cyril Hill | 21 | Son | — | New York |
| 25 | Ethel Hill | 17 | Daughter | Clerk | New York |
| 26 | Ralph Hill | 16 | Son | Clerk | New York |
| 27 | Anthony Tilo | 31 | Head | Bookkeeper | New York |
| 28 | Barbara Tilo | 27 | Wife | — | New York |
| 29 | Robert Tilo | 1 | Son | — | New York |
| 30 | Albert Lord | 25 | Head | Salesman | New York |
| 31 | Grace E Lord | 27 | Wife | — | New York |
| 32 | Mary E Parker | 78 | Boarder | — | New York |
| 33 | Max J S H Dixon | 65 | Head | Manufacturer | England |
| 34 | Thomas Smith | 40 | Head | Chauffeur | New York |
| 35 | Katherine Smith | 39 | Wife | Stenographer | England |
| 36 | Catherine Maynard | 15 | Niece | — | New York |
| 37 | William Brooke | 34 | Head | Bookkeeper | Holland |
| 38 | Mary Brooke | 34 | Wife | — | Pennsylvania |
| 39 | William J Brooke | 3 | Son | — | New York |
| 40 | Frederick A Brooke | 1 | Son | — | New York |
| 41 | James Mitchell | 44 | Head | Clerk | New York |
| 42 | Bertha Mitchell | 40 | Wife | — | New York |
| 43 | Dorothy Fay | 45 | Boarder | Bookkeeper | New York |
| 44 | Elizabeth Johnston | 59 | Head | — | Ireland |
| 45 | Mary E Johnston | 29 | Daughter | Stenographer | New York |
| 46 | Henrietta Johnston | 21 | Daughter | Typist | Ohio |
| 47 | Albert E Johnston | 16 | Son | Messenger | New York |
| 48 | Cornelius Sullivan THIS PERSON | 38 | Head | Engineer | Ireland |
| 49 | Nora Sullivan | 35 | Wife | — | Ireland |
| 50 | John Sullivan | 5 | Son | — | New York |
Pedigree Summary
Cornelius
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)