DS
Dennis Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New Haven, Connecticut
Our Model Tree links this Dennis Sullivan across the 1900, 1910 and 1920 US Censuses in New Haven, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 6-person household.
Age 52
b. ~1868
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | New Haven, Connecticut |
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Machinist |
| Industry | R.R. shop |
| 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 | 1893 |
| Birthplace (normalized) | ireland |
| Occupation | Machinist |
| Township / Ward | New Haven |
| Est. Birth Year | ~1868 |
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 |
|---|---|---|---|---|
| John Sullivan | Son | — | 27 | ~1893 |
| Johanna Sullivan | Spouse | — | 50 | ~1870 |
| Edward Sullivan | Son | — | 19 | ~1901 |
| James Sullivan | Son | — | 21 | ~1899 |
| Helen Sullivan | Daughter | — | 16 | ~1904 |
| Dennis Sullivan | Head | — | 52 | ~1868 |
Census Appearances
1900
New Haven, …
Head, age 33
New Haven, Connecticut · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1867 |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Day Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New Haven, …
Head, age 42
New Haven, Connecticut · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 19 |
| Year of Immigration | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Rail Road |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New Haven, …
Head, age 52
New Haven, Connecticut · implied b. ~1868 — 6 household members
| Surname | Sullivan |
| Given Name | Dennis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | R.R. shop |
| 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 | 1893 |
| 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 Haven, Connecticut, using XGBoost record linkage.
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This person
Anchor record
Dennis Sullivan
Head · 1920 · age 52 · b. ~1868 · Connecticut
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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 Haven, Connecticut
Open full size
1920 US Federal Census — New Haven, Connecticut
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu191unit:1013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marion Ruttenberg | 4 | Daughter | — | Connecticut |
| 2 | Ruth Ruttenberg | 3 | Daughter | — | Connecticut |
| 3 | William Bailey | 46 | Head | — | Connecticut |
| 4 | Eugene Bailey | 17 | Son | Store Keeper | Connecticut |
| 5 | Lelia Bailey | 13 | Daughter | — | Connecticut |
| 6 | Blanche Bailey | 11 | Daughter | — | Connecticut |
| 7 | Dora Dickson | 62 | Mother-in-law | — | Pennsylvania |
| 8 | Leo Hendrick | 27 | Head | Headlight Helper | New York |
| 9 | Katherine Hendrick | 27 | Wife | — | New York |
| 10 | William Hendrick | 2 | Son | — | Connecticut |
| 11 | Robert Rourke | 52 | Head | Metal Polisher | Ohio |
| 12 | Mary Rourke | 43 | Wife | — | New York |
| 13 | Thomas Rourke | 27 | Son | Crane Operator | Connecticut |
| 14 | Robert Rourke | 22 | Son | Wire Drawer | Connecticut |
| 15 | Hazel Rourke | 20 | Daughter | Corset Maker | Connecticut |
| 16 | Dora Rourke | 19 | Daughter | Corset Maker | Connecticut |
| 17 | John Rourke | 17 | Son | Tool Checker | Connecticut |
| 18 | Elizabeth Rourke | 14 | Daughter | — | Connecticut |
| 19 | Margaret Rourke | 11 | Daughter | — | Connecticut |
| 20 | Charles Rourke | 9 | Son | — | Connecticut |
| 21 | William Rourke | 8 | Son | — | Connecticut |
| 22 | Henry Harboard | 53 | Head | Foreman | Connecticut |
| 23 | Mary Harboard | 43 | Wife | — | Connecticut |
| 24 | Edward Harboard | 14 | Son | — | Connecticut |
| 25 | Mae Harboard | 12 | Daughter | — | Connecticut |
| 26 | Harry Harboard | 4 | Son | — | Connecticut |
| 27 | Dorothy Harboard | 1 | Daughter | — | Connecticut |
| 28 | Sara Gilmore | 34 | Sister-in-law | Toy Maker | Connecticut |
| 29 | Dennis Sullivan THIS PERSON | 52 | Head | Machinist | Ireland |
| 30 | Johanna Sullivan | 50 | Wife | — | Ireland |
| 31 | John Sullivan | 27 | Son | Clerk | Connecticut |
| 32 | James Sullivan | 21 | Son | Machinist Helper | Connecticut |
| 33 | Edward Sullivan | 19 | Son | Wire Winder | Connecticut |
| 34 | Helen Sullivan | 16 | Daughter | — | Connecticut |
| 35 | Windsor Signorelli | 48 | Head | Stone Cutter | Italy |
| 36 | Mary Signorelli | 37 | Wife | — | Italy |
| 37 | Harry Signorelli | 18 | Son | Inspector | Connecticut |
| 38 | Jennie Signorelli | 17 | Daughter | Powder Puff Maker | Connecticut |
| 39 | Erwin Signorelli | 15 | Son | Machine Sewer | Connecticut |
| 40 | Nellie Signorelli | 14 | Daughter | — | Connecticut |
| 41 | Lillian Signorelli | 12 | Daughter | — | Connecticut |
| 42 | William Thompson | 52 | Head | Smoker | Connecticut |
| 43 | Minnie Thompson | 43 | Wife | — | Connecticut |
| 44 | Harold Thompson | 18 | Son | Wire Maker | Connecticut |
| 45 | Robert Thompson | 14 | Son | — | Connecticut |
| 46 | Marion Thompson | 2 | Daughter | — | Connecticut |
| 47 | Helen Thompson | 0 | Daughter | — | Connecticut |
| 48 | Christ Freiss | 52 | Head | Metal Polisher | Germany |
| 49 | Mary Freiss | 53 | Wife | — | Illinois |
| 50 | Sam Konferman | 39 | Head | Baker | Russia |
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)