MF
Mary Flaherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Flaherty across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| Est. Birth Year | ~1894 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Reynolds | Other | — | 36 | ~1904 |
| Frank Murphy | Other | — | 30 | ~1910 |
| Mary Flaherty | Head | — | 46 | ~1894 |
| John Flaherty | Son | — | 23 | ~1917 |
Census Appearances
1920
New York, …
Other, age 24
New York, New York · implied b. ~1896 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Marie |
| Relationship to Head | X |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chambermaid |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Other, age 35
New York, New York · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1925 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Maid |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Head, age 46
Kings-County, New York · implied b. ~1894 — 4 household members
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| 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 Mary Flaherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Flaherty
Head · 1940 · age 46 · b. ~1894 · 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 — 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-t0627-02598-00603)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Dewitt | 37 | Head | Engineer | Maine |
| 42 | Margaret Dewitt | 39 | Wife | — | New York |
| 43 | Margaret Dewitt | 6 | Daughter | — | New York |
| 44 | Alfred Dewitt | 60 | Father | Sexton | Canada Eng |
| 45 | Elva Dewitt | 59 | Mother | — | Canada Eng |
| 46 | Howard Farnham | 37 | Head | Adjuster | Maine |
| 47 | Anna Farnham | 38 | Wife | — | Canada Eng |
| 48 | George Farnham | 19 | Son | Counter Service | Massachusetts |
| 49 | Elna Farnham | 4 | Daughter | — | New York |
| 50 | Paul Farnham | 24 | Brother | Helper & Driver | Maine |
| 51 | — | None | — | — | — |
| 52 | Harry Wrede | 34 | Head | Confections | Germany |
| 53 | Madeline Wrede | 36 | Wife | Confections | Germany |
| 54 | Norma Wrede | 7 | Daughter | — | New York |
| 55 | Charles Bruns | 61 | Head | Retired | Germany |
| 56 | Elsa Bruns | 63 | Wife | — | Germany |
| 57 | Nathan Herzog | 41 | Head | Delicatessen | Austria |
| 58 | Ida Herzog | 37 | Wife | Delicatessen | New York |
| 59 | Mildred Herzog | 10 | Daughter | — | New York |
| 60 | Frances Herzog | 6 | Daughter | — | New York |
| 61 | Mark Levinger | 59 | Head | Undertaker | New York |
| 62 | Roslind Levinger | 33 | Wife | Undertaker | New York |
| 63 | Anthony Roeters | 49 | Head | Waiter | Holland |
| 64 | Mary Roeters | 44 | Wife | — | Holland |
| 65 | Anthony Roeters | 14 | Son | — | Pennsylvania |
| 66 | Woudrina Roeters | 5 | Daughter | — | New York |
| 67 | Mary Ward | 32 | Roomer | Nurse | New York |
| 68 | Peter Cleary | 54 | Head | Chef | Greece |
| 69 | Athina Cleary | 45 | Wife | — | Greece |
| 70 | Bessie Cleary | 22 | Daughter | Cashier | New York |
| 71 | Dorothy Cleary | 16 | Daughter | — | New York |
| 72 | George Cleary | 12 | Son | — | New York |
| 73 | Mary Flaherty THIS PERSON | 46 | Head | — | Ireland |
| 74 | John Flaherty | 23 | Son | Clerk | New York |
| 75 | Frank Reynolds | 36 | Roomer | Elevator Op. | Ireland |
| 76 | Frank Murphy | 30 | Roomer | Laborer | Ireland |
| 77 | Michael Mcevilly | 50 | Head | Wiring | Ireland |
| 78 | Delia Mcevilly | 50 | Wife | — | Ireland |
| 79 | Michael Mcevilly | 20 | Son | First Position | New York |
| 80 | Alice Mcevilly | 23 | Daughter | Clerk | 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)