DS
Dennis Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New York, New York
Our Model Tree links this Dennis Sullivan across the 1900, 1910 and 1920 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 7-person household.
Age 50
b. ~1870
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | New York, New York |
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Policeman |
| Industry | New York City |
| 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 | 1890 |
| Birthplace (normalized) | ireland |
| Occupation | Policeman |
| Township / Ward | New York City Manhattan |
| Est. Birth Year | ~1870 |
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 1920 census.
| Name | Relation to head | Relative to Dennis | Age | Birth yr |
|---|---|---|---|---|
| Helen Sullivan | Other | — | 11 | ~1909 |
| Anna Sullivan | Other | — | 74 | ~1846 |
| John Sullivan | Son | — | ~1920 | |
| Dennis Sullivan | Head | — | 50 | ~1870 |
| Catherine Sullivan | Other | — | 14 | ~1906 |
| Anna Sullivan | Spouse | — | 21 | ~1899 |
| Michael Sullivan | Son | — | 28 | ~1892 |
Census Appearances
1900
New York, …
Head, age 31
New York, New York · implied b. ~1869 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mch |
| Birth Year | 1869 |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New York, …
Head, age 40
New York, New York · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 6 |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Foreman |
| Industry | Putting up trees |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 50
New York, New York · implied b. ~1870 — 7 household members
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Policeman |
| Industry | New York City |
| 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 | 1890 |
| 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 Dennis Sullivan across 3 US Census years (1900, 1910 and 1920) in New York, New York, using XGBoost record linkage.
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This person
Anchor record
Dennis Sullivan
Head · 1920 · age 50 · b. ~1870 · 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:1920:14thcensusofpopu1223unit:0068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Custance | 9 | Son | — | New York |
| 2 | Isabelle Custance | 2 | Daughter | — | New York |
| 3 | Christopher Keogh | 54 | Head | Master | Ireland |
| 4 | Theresa Keogh | 52 | Wife | — | New York |
| 5 | Thomas Keogh | 20 | Son | Mail File Clerk | New York |
| 6 | Theresa A Keogh | 18 | Daughter | Stenographer | New York |
| 7 | Daniel M Keogh | 16 | Son | Errand Boy | New York |
| 8 | William A Keogh | 14 | Son | — | New York |
| 9 | Emma Buttner | 47 | Head | — | New York |
| 10 | Fred Jr. Buttner | 17 | Son | Jewelry | New York |
| 11 | Wilhelmina Schlitt | 73 | Mother | — | Germany |
| 12 | Joseph Slattery | 50 | Head | Bricklayer | Ireland |
| 13 | Catherine Slattery | 46 | Wife | — | Massachusetts |
| 14 | Cornelius Slattery | 21 | Son | Conductor | New York |
| 15 | Hugh Slattery | 20 | Son | Conductor | New York |
| 16 | Isabel Slattery | 18 | Daughter | Clerk | New York |
| 17 | Mary Slattery | 16 | Daughter | Clerk | New York |
| 18 | Joseph Slattery | 13 | Son | — | New York |
| 19 | Catherine Slattery | 10 | Daughter | — | New York |
| 20 | Martin Flannery | 49 | Head | Piano Mover | Ireland |
| 21 | Theresa Flannery | 48 | Wife | — | Ireland |
| 22 | Mary Flannery | 14 | Daughter | — | New York |
| 23 | Thomas Flannery | 12 | Son | — | New York |
| 24 | Anna Flannery | 10 | Daughter | — | New York |
| 25 | Martin Flannery | 0 | Son | — | New York |
| 26 | Louis Held | 46 | Head | Officer | Germany |
| 27 | Rose Held | 46 | Wife | — | Germany |
| 28 | Agnes Moran | 20 | Daughter | — | New York |
| 29 | Peter Moran | 20 | Son-in-law | Machinist | Ireland |
| 30 | Louis Held | 19 | Son | Driver Wagon | New York |
| 31 | Charles Held | 18 | Son | Driver | New York |
| 32 | George Held | 15 | Son | — | New York |
| 33 | Elizabeth Plummer | 50 | Head | Forewoman | New York |
| 34 | Alfred C Plummer | 49 | Husband | — | England |
| 35 | Mary E Plummer | 17 | Daughter | — | New York |
| 36 | Annie Calahan | 60 | Sister | — | New York |
| 37 | James Hagan | 18 | Boarder | Clerk | New York |
| 38 | Dennis Sullivan THIS PERSON | 50 | Head | Policeman | Ireland |
| 39 | Anna Sullivan | 74 | Mother | — | Ireland |
| 40 | Michael Sullivan | 28 | Son | Fireman | New York |
| 41 | Anna Sullivan | 21 | Wife | Factory Worker | New York |
| 42 | Catherine Sullivan | 14 | Sister | — | New York |
| 43 | Helen Sullivan | 11 | Sister | — | New York |
| 44 | John Sullivan | 0 | Son | — | New York |
| 45 | Martin Parson | 39 | Head | Stationary Engineer | Ireland |
| 46 | Mary Parson | 32 | Wife | — | Ireland |
| 47 | John Peterson | 60 | Head | Bottler | Germany |
| 48 | Katherine Peterson | 52 | Wife | — | Germany |
| 49 | Bridget Mcnaughton | 40 | Head | Housework | Ireland |
| 50 | Anna Mcnaughton | 12 | 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)