DS
Dennis Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Kings, New York
Our Model Tree links this Dennis Sullivan across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 6-person household.
Age 42
b. ~1878
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Kings, New York |
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Attendant |
| 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 | 1914 |
| Birthplace (normalized) | ireland |
| Occupation | Attendant |
| Township / Ward | New York City Bronx Borough |
| Est. Birth Year | ~1878 |
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 Dennis | Age | Birth yr |
|---|---|---|---|---|
| Patricia Sullivan | Son | — | 19 | ~1901 |
| Helen Sullivan | Spouse | — | 48 | ~1872 |
| Thomas Sullivan | Son | — | 10 | ~1910 |
| Dennis Sullivan | Head | — | 42 | ~1878 |
| Timothy Sullivan | Son | — | 7 | ~1913 |
| Ellen Sullivan | Daughter | — | 12 | ~1908 |
Census Appearances
1920
Kings, New …
Head, age 42
Kings, New York · implied b. ~1878 — 6 household members
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Attendant |
| 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 | 1914 |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Other, age 54
Kings, New York · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1904 |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Produce |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Other, age 65
Kings-County, New York · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | Produce Market |
| Class of Worker | PW |
| Income (1939) | 34 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Dennis Sullivan
Head · 1920 · age 42 · b. ~1878 · 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 — Kings, New York
Open full size
1920 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1131unit:0638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | — | 50 | Head | Watchman | Ireland |
| 2 | Jennie | 44 | Wife | Examiner | New York |
| 3 | George | 24 | Son | Steamfitter | New York |
| 4 | Anna | 18 | Daughter | Clerk | New York |
| 5 | Jennie | 15 | Daughter | None | New York |
| 6 | Agnes | 12 | Daughter | None | New York |
| 7 | Annie Herthey | 50 | Head | Conductor | Ireland |
| 8 | Mary Herthey | 54 | Sister | None | Ireland |
| 9 | Anna Herthey | 23 | Daughter | Operator | New York |
| 10 | John Herthey | 22 | Son | Packer | New York |
| 11 | James Herthey | 21 | Son | None | New York |
| 12 | Helen Herthey | 20 | Daughter | None | New York |
| 13 | Joseph Herthey | 18 | Son | None | New York |
| 14 | William Herthey | 17 | Son | None | New York |
| 15 | Thomas Herthey | 24 | Son | None | New York |
| 16 | Francis Herthey | 13 | Son | None | New York |
| 17 | Peter Connelly | 35 | Head | Mechanic | Ireland |
| 18 | Catherine Connelly | 32 | Wife | None | Ireland |
| 19 | Lelia Connelly | 6 | Daughter | None | New York |
| 20 | Anne Crawley | 49 | Head | None | England |
| 21 | John Crawley | 21 | Son | Steel Worker | New York |
| 22 | Helen Crawley | 18 | Daughter | Operator | New York |
| 23 | Margaret Dougherty | 23 | Daughter | Operator | New York |
| 24 | John Dougherty | 6 | Boarder | None | New York |
| 25 | Frank Rehill | 23 | Boarder | None | New York |
| 26 | Edward Murray | 31 | Head | Electrician | Ireland |
| 27 | Annie Murray | 45 | Wife | None | Ireland |
| 28 | Edward Murray | 7 | Son | None | New York |
| 29 | John Murray | 6 | Son | None | New York |
| 30 | Thomas Murray | 3 | Son | None | New York |
| 31 | Marion Murray | 1 | Son | None | New York |
| 32 | Thomas Ryan | 60 | Head | Stone Cutter | Ireland |
| 33 | Mary Ryan | 42 | Wife | None | Ireland |
| 34 | Thomas Ryan | 18 | Son | Messenger | New York |
| 35 | Michael Hogan | 37 | Head | Hall Man | Ireland |
| 36 | Anadalia Hogan | 32 | Wife | None | Ireland |
| 37 | Patricia Hogan | 10 | Son | None | New York |
| 38 | Thomas Hogan | 6 | Son | None | New York |
| 39 | Margaret Hogan | 2 | Daughter | None | New York |
| 40 | Peter Taudden | 54 | Head | Fireman | Ireland |
| 41 | Anna Taudden | 22 | Daughter | Operator | New York |
| 42 | Agnes Taudden | 18 | Daughter | Operator | New York |
| 43 | Elizabeth Taudden | 17 | Daughter | Operator | New York |
| 44 | Dennis Sullivan THIS PERSON | 42 | Head | Attendant | Ireland |
| 45 | Helen Sullivan | 48 | Wife | None | Ireland |
| 46 | Patricia Sullivan | 19 | Son | Runner | Ireland |
| 47 | Ellen Sullivan | 12 | Daughter | Stenographer | New York |
| 48 | Thomas Sullivan | 10 | Son | None | New York |
| 49 | Timothy Sullivan | 7 | Son | None | New York |
| 50 | Dennis Byrne | 43 | Head | Motorman | Ireland |
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)