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Thomas Duffy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Thomas Duffy across the 1910, 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Duffy |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | NEW YORK |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Clerk |
| Industry | Publishing Co |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 2206 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Clerk |
| Township / Ward | New York City |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Duffy | Head | — | 55 | ~1885 |
| Vincent Duffy | Son | — | 25 | ~1915 |
| Tessie Hohnenleiner | Spouse | — | 40 | ~1900 |
| Anna Duffy | Daughter | — | 16 | ~1924 |
| Anna Duffy | Spouse | — | 51 | ~1889 |
Census Appearances
1910
New York, …
Other, age 24
New York, New York · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Thomas |
| Relationship to Head | boarder |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | bartender |
| Industry | liquor store |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Other, age 32
New York, New York · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffey |
| Given Name | Thomas |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Railway |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 43
New York, New York · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 34 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 15,500 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
New-York-County, New …
Head, age 55
New-York-County, New York · implied b. ~1885 — 5 household members
| Surname | Duffy |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | NEW YORK |
| Naturalization Status | Naturalized |
| Occupation | Clerk |
| Industry | Publishing Co |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 2206 |
| Highest Grade | H 4 |
| 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 Thomas Duffy across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Duffy
Head · 1940 · age 55 · b. ~1885 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02658-00236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Duffy THIS PERSON | 55 | Head | Clerk | Ireland |
| 2 | Anna Duffy | 51 | Wife | — | Ireland |
| 3 | Vincent Duffy | 25 | Son | — | New York |
| 4 | Anna Duffy | 16 | Daughter | — | New York |
| 5 | Tessie Hohnenleiner | 40 | Wife | — | Germany |
| 6 | Frank Hohnenleiner | 41 | Head | — | Germany |
| 7 | Rosemary Hohnenleiner | 10 | Daughter | — | New York |
| 8 | Charles Kuhn | 67 | Head | — | Austria |
| 9 | Alma Kuhn | 64 | Wife | — | Austria |
| 10 | Amy Maxwell | 67 | Border | Dress Maker | California |
| 11 | Felix Becker | 39 | Wife | — | Russia |
| 12 | Max Becker | 39 | Head | Butcher | New York |
| 13 | Joseph Becker | 14 | Son | — | New York |
| 14 | Gerald Becker | 10 | Son | — | New York |
| 15 | Irma Auer | 33 | Border | Waitress | Austria |
| 16 | Anna Auer | 67 | Border | Cook | Austria |
| 17 | Louis Louis | 31 | Border | Butcher | Austria |
| 18 | Margaret Kuper | 55 | Border | Cook | Switzerland |
| 19 | Fred Ruppert | 37 | Border | Mechanist | Germany |
| 20 | Frieda Wolframm | 50 | Border | W.P.A. Worker | Germany |
| 21 | Hermine Winkels | 53 | Head | — | Germany |
| 22 | John Hickey | 36 | Head | — | New York |
| 23 | Patrick Hickey | 60 | Head | — | Ireland |
| 24 | Julia Hickey | 50 | Wife | — | Ireland |
| 25 | Anna Hickey | 24 | Daughter | — | New York |
| 26 | Harry Bettner | 46 | Head | Clerk | Germany |
| 27 | Joanna Miller | 44 | Border | Store Keeper | Germany |
| 28 | John Gorman | 25 | Son | Clerk | New York |
| 29 | Ellen Gorman | 52 | Head | — | Ireland |
| 30 | Ann Gorman | 23 | Daughter | Stenographer | New York |
| 31 | Margaret Gorman | 20 | Daughter | Stenographer | New York |
| 32 | Irene Gorman | 17 | Daughter | — | New York |
| 33 | Emily Pichardson | 35 | Head | Beauty Operator | Germany |
| 34 | Paul Mueller | 44 | Border | Chauffeur | Germany |
| 35 | Francis Connolly | 54 | Head | — | Ireland |
| 36 | Cornelius Connolly | 35 | Head | Chauffeur | Ireland |
| 37 | Denis Connolly | 9 | Son | — | New York |
| 38 | Neil Connolly | 6 | Son | — | New York |
| 39 | William Connolly | 4 | Son | — | New York |
| 40 | Misinformed | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)