MF
Mary Flaherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Flaherty across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a daughter (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Flaherty |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Additional Details | |
| Occupation | Secretary |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Secretary |
| Township / Ward | New York City |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Flaherty | Daughter | — | 18 | ~1922 |
| Thomas Flaherty | Head | — | 61 | ~1879 |
| Catherine Flaherty | Spouse | — | 53 | ~1887 |
| Rosane Flaherty | Daughter | — | 13 | ~1927 |
| Mary Flaherty | Daughter | — | 23 | ~1917 |
| Sarah Flaherty | Daughter | — | 16 | ~1924 |
| Margaret Flaherty | Daughter | — | 11 | ~1929 |
Census Appearances
1920
New York, …
Daughter, age 2
New York, New York · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Daughter, age 12
New York, New York · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Daughter, age 23
New-York-County, New York · implied b. ~1917 — 7 household members
| Surname | Flaherty |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Occupation | Secretary |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 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 Mary Flaherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Flaherty (~0.92 confidence) and father Thomas Flaherty (~0.92 confidence) and mother Catherine Flaherty (~0.92 confidence) and mother Catherine Flaherty (~0.92 confidence) and father Patrick Flaherty (~0.92 confidence) and mother Annie Flaherty (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Flaherty
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Thomas Flaherty
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Flaherty
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Catherine Flaherty
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Patrick Flaherty
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Annie Flaherty
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Flaherty
Daughter · 1940 · age 23 · b. ~1917 · New York
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Sibling
Margaret Flaherty
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Flaherty
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Flaherty
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosane Flaherty
Sibling · 1940 · age 13
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 — 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-t0627-02629-00527)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Flaherty | 61 | Head | Foreman | Ireland |
| 2 | Catherine Flaherty | 53 | Wife | — | Ireland |
| 3 | Mary A. Flaherty THIS PERSON | 23 | Daughter | Secretary | New York |
| 4 | Catherine Flaherty | 18 | Daughter | File Clerk | New York |
| 5 | Sarah J. Flaherty | 16 | Daughter | Stenographer | New York |
| 6 | Rosane Flaherty | 13 | Daughter | — | New York |
| 7 | Margaret Flaherty | 11 | Daughter | — | New York |
| 8 | Carmen Ortiz | 36 | Head | Packer | Porto Rico |
| 9 | Carlos Burgos | 12 | Son | — | New York |
| 10 | Gladys Ortiz | 6 | Daughter | — | New York |
| 11 | Antonio Santoni | 37 | Lodger | Shipping Clerk | Porto Rico |
| 12 | Isabelle Colla | 30 | Border | — | Porto Rico |
| 13 | Alana Jarque | 15 | Border | — | New York |
| 14 | Lawrence Kennedy | 64 | Head | Inspector | Massachusetts |
| 15 | Addie Kennedy | 62 | Wife | — | Maine |
| 16 | Louis Pappas | 55 | Head | Finisher | Greece |
| 17 | Cleo Pappas | 40 | Wife | Finisher | Greece |
| 18 | James Pappas | 18 | Son | — | Massachusetts |
| 19 | Edward Senatore | 52 | Head | Superintend. | Italy |
| 20 | Ada Senatore | 58 | Wife | — | New York |
| 21 | Constantine Gregoropoulos | 49 | Head | Waiter | Turkey |
| 22 | Mary Gregoropoulos | 42 | Wife | — | Austria |
| 23 | Alexander Gregoropoulos | 23 | Son | Receiving Clk | New York |
| 24 | Stanley Gregoropoulos | 21 | Son | Receiving Clk | New York |
| 25 | Angelo Gregoropoulos | 20 | Son | Counterman | New York |
| 26 | Patricia Gregoropoulos | 15 | Daughter | — | New York |
| 27 | John Gregoropoulos | 12 | Son | — | New York |
| 28 | Michael Gregoropoulos | 11 | Son | — | New York |
| 29 | Anastasia Gregoropoulos | 11 | Daughter | — | New York |
| 30 | William Atkinson | 48 | Head | — | Pennsylvania |
| 31 | Mary Atkinson | 76 | Mother | — | Pennsylvania |
| 32 | Ralph Ramirez | 24 | Head | Bus Boy | Porto Rico |
| 33 | Consuelo Ramirez | 22 | Wife | Laundry Worker | Porto Rico |
| 34 | Emilio Ramirez | 34 | Brother | Kitchen Help | Porto Rico |
| 35 | Michael Ramirez | 28 | Brother | Kitchen Help | Porto Rico |
| 36 | Carmen Ramirez | 21 | Sister | Worker | Porto Rico |
| 37 | Louis Irizally | 21 | Boarder | Bus Boy | Porto Rico |
| 38 | Manuel Goncalves | 62 | Head | Elevator Operator | Guiana |
| 39 | Mary Goncalves | 58 | Wife | — | British West Indies |
| 40 | Emanuel Goncalves | 20 | Son | Canvasser | New York |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)