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.~1880), then head of a 7-person household.
Age 40
b. ~1880
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 | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Porter |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Porter |
| Township / Ward | New York City |
| Est. Birth Year | ~1880 |
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 |
|---|---|---|---|---|
| Nellie Sullivan | Daughter | — | 15 | ~1905 |
| Dennis Sullivan | Son | — | 12 | ~1908 |
| Dennis Sullivan | Head | — | 40 | ~1880 |
| Dora Sullivan | Daughter | — | 15 | ~1905 |
| Frances Sullivan | Spouse | — | 40 | ~1880 |
| Margaret Sullivan | Daughter | — | 13 | ~1907 |
| Kathleen Sullivan | Daughter | — | 7 | ~1913 |
Census Appearances
1900
New York, …
Other, age 23
New York, New York · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1877 |
| Year of Immigration | 1893 |
| 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, …
Head, age 31
New York, New York · implied b. ~1879 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Denis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 17 |
| Year of Immigration | 1893 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Labourer |
| Industry | Docks |
| Can Read | No |
| Can Write | No |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 40
New York, New York · implied b. ~1880 — 7 household members
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Porter |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| 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 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 40 · b. ~1880 · New York
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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:1920:14thcensusofpopu1211unit:0034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hannah Ronayne | 15 | Daughter | None | New York |
| 2 | Maurice Ronayne | 13 | Son | None | New York |
| 3 | George Ronayne | 7 | Son | None | New York |
| 4 | Joseph Leiva | 36 | Head | Mixer | Hungary |
| 5 | Amelia Leiva | 38 | Wife | None | Hungary |
| 6 | Arthur Leiva | 18 | Son | Machinist | Hungary |
| 7 | Irene Leiva | 8 | Daughter | None | New York |
| 8 | John Slattery | 69 | Lodger | Retired | Ireland |
| 9 | Thomas Maxwell | 40 | Lodger | Handyman | Ireland |
| 10 | Charles Kelley | 45 | Lodger | Laborer | Ireland |
| 11 | Joseph Salmon | 30 | Lodger | Porter | Ireland |
| 12 | Peter Brennan | 42 | Lodger | Carpenter | Ireland |
| 13 | August Murkowsky | 22 | Lodger | Salesclerk | England |
| 14 | Charles Donnell | 29 | Lodger | Mailclerk | Ireland |
| 15 | Augusta Ludwig | 64 | Head | Dressmaker | Germany |
| 16 | Julius Mayed | 37 | Lodger | Saloon Keeper | Germany |
| 17 | Annie Martin | 48 | Head | Housekeeper | California |
| 18 | Richard Johnson | 43 | Head | Plumber | New York |
| 19 | Alice Johnson | 36 | Wife | None | New York |
| 20 | Frank Johnson | 16 | Son | Tele. Clerk | New York |
| 21 | Richard Johnson | 15 | Son | Tele. Clerk | New York |
| 22 | Grace Johnson | 12 | Daughter | None | New York |
| 23 | William Johnson | 10 | Son | None | New York |
| 24 | Alice Johnson | 8 | Daughter | None | New York |
| 25 | Thomas Boyhan | 76 | Head | Retired Old Age | Ireland |
| 26 | Ann Boyhan | 76 | Wife | None | Ireland |
| 27 | James Boyhan | 48 | Son | Cement Worker | New York |
| 28 | Catherine Boyhan | 44 | Daughter | Bookkeeper | New York |
| 29 | Eugene Boyhan | 40 | Son | Deckhand | New York |
| 30 | Matthew Metuber | 56 | Head | Carpet Layer | New York |
| 31 | Mary Metuber | 58 | Wife | None | Ireland |
| 32 | Nellie Metuber | 28 | Daughter | Saleslady | New York |
| 33 | May Metuber | 25 | Daughter | Dipper | New York |
| 34 | Maurice Metuber | 21 | Son | Accountant | New York |
| 35 | Mary Lavin | 41 | Head | Maid | Ireland |
| 36 | Madeline Lavin | 19 | Son | Stenographer | New York |
| 37 | James Lavin | 15 | Son | Office Boy | New York |
| 38 | Bernard Lavin | 10 | Son | None | New York |
| 39 | Annie O'Brien | 55 | Aunt | None | Ireland |
| 40 | James Raleigh | 58 | Head | Congress | Ireland |
| 41 | Mary Raleigh | 50 | Wife | None | Ireland |
| 42 | James Donohue | 46 | Head | Janitor | Ireland |
| 43 | Catherine Donohue | 48 | Wife | None | Ireland |
| 44 | Dennis Sullivan THIS PERSON | 40 | Head | Porter | Ireland |
| 45 | Frances Sullivan | 40 | Wife | None | Ireland |
| 46 | Nellie Sullivan | 15 | Daughter | None | Ireland |
| 47 | Dora Sullivan | 15 | Daughter | None | Ireland |
| 48 | Margaret Sullivan | 13 | Daughter | None | Ireland |
| 49 | Dennis Sullivan | 12 | Son | None | Ireland |
| 50 | Kathleen Sullivan | 7 | Daughter | None | 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)