JT
John Tierney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this John Tierney across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 7-person household.
Age 29
b. ~1911
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Tierney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn Boro. |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Sales Clerk |
| Industry | Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 985 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Sales Clerk |
| Township / Ward | Brooklyn Boro |
| Est. Birth Year | ~1911 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Vincent Tierney | Son | — | 18 | ~1922 |
| John Tierney | Head | — | 58 | ~1882 |
| Josephine Tierney | Daughter | — | 24 | ~1916 |
| Eleanor Tierney | Daughter | — | 22 | ~1918 |
| John Tierney | Son | — | 29 | ~1911 |
| Mary Tierney | Spouse | — | 55 | ~1885 |
| William Tierney | Son | — | 26 | ~1914 |
Census Appearances
1930
Kings, New …
Son, age 19
Kings, New York · implied b. ~1911 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tierney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Chauffeur |
| Industry | Taxi |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 29
Kings-County, New York · implied b. ~1911 — 7 household members
| Surname | Tierney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn Boro. |
| 1935 Residence (County) | Kings |
| Occupation | Sales Clerk |
| Industry | Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 985 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 John Tierney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Tierney
Son · 1940 · age 29 · b. ~1911 · New York
★ You are viewing this record
Sibling
William Tierney
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Tierney
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Tierney
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Tierney
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02573-00485)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick Marron | 49 | Head | Doorman | Ireland |
| 2 | Catherine Marron | 51 | Wife | — | Ireland |
| 3 | Mary Fran Marron | 23 | Daughter | Clerk | New York |
| 4 | Peter Ambrosino | 63 | Head | Proprietor | Greece |
| 5 | Catherine Ambrosino | 53 | Wife | — | Greece |
| 6 | Michael Ambrosino | 25 | Son | Gen Work | New York |
| 7 | Sophia Ambrosino | 23 | Daughter | Cashier | New York |
| 8 | Louis Ambrosino | 21 | Son | Counterman | New York |
| 9 | Georgia Ambrosino | 19 | Daughter | Fur Finisher | New York |
| 10 | John Hohen | 42 | Head | Repairman | New York |
| 11 | Rachel Hohen | 39 | Wife | — | New York |
| 12 | Catherine Hohen | 13 | Daughter | School | New York |
| 13 | Doris Hohen | 12 | Daughter | School | New York |
| 14 | John Hohen | 4 | Son | — | New York |
| 15 | Margaret Hohen | 1 | Daughter | — | New York |
| 16 | Ernest Pollard | 49 | Head | Gen Work | New York |
| 17 | Loretta Pollard | 49 | Wife | — | New York |
| 18 | Eileen Pollard | 17 | Daughter | Domestic | Massachusetts |
| 19 | Patrick Sullivan | 62 | Head | Unemployed | Ireland |
| 20 | Margaret Sullivan | 60 | Wife | — | Ireland |
| 21 | Margaret Sullivan | 30 | Daughter | Clerk | New York |
| 22 | Mary Sullivan | 22 | Daughter | Saleswoman | New York |
| 23 | Alice Sullivan | 20 | Daughter | Waitress | New York |
| 24 | William Powers | 38 | Head | Patrolman | New York |
| 25 | Julia Powers | 36 | Wife | Home | New York |
| 26 | Patricia Powers | 3 | Daughter | — | New York |
| 27 | John Hartman | 37 | Head | Salesman | New York |
| 28 | Madeline Hartman | 36 | Wife | Home | New York |
| 29 | Fred Beckhold | 67 | Head | Retired | New York |
| 30 | Jane Beckhold | 65 | Wife | Home | New York |
| 31 | John Tierney | 58 | Head | Retired | New York |
| 32 | Mary Tierney | 55 | Wife | Home | Ireland |
| 33 | John Tierney THIS PERSON | 29 | Son | Sales Clerk | New York |
| 34 | William Tierney | 26 | Son | Sales Clerk | New York |
| 35 | Josephine Tierney | 24 | Daughter | Clerk | New York |
| 36 | Eleanor Tierney | 22 | Daughter | Clerk | New York |
| 37 | Vincent Tierney | 18 | Son | School | New York |
| 38 | William Scully | 33 | Head | Policeman | New York |
| 39 | Elizabeth Scully | 30 | Wife | Home | New York |
| 40 | Eileen Scully | 4 | Daughter | — | New York |
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)