MC
Mary Coffey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Queens-County, New York
Our Model Tree links this Mary Coffey across the 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 10-person household.
Age 24
b. ~1916
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Additional Details | |
| Occupation | Operator |
| Industry | American Tel + Tel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Operator |
| Township / Ward | New York City |
| Est. Birth Year | ~1916 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anita Coffey | Daughter | — | 15 | ~1925 |
| Francis Coffey | Spouse | — | 45 | ~1895 |
| John Coffey | Son | — | 18 | ~1922 |
| Andrew Coffey | Daughter | — | 22 | ~1918 |
| Mary Coffey | Daughter | — | 24 | ~1916 |
| Aurella Coffey | Daughter | — | 9 | ~1931 |
| Lillian Coffey | Daughter | — | 20 | ~1920 |
| Georgette Coffey | Daughter | — | 17 | ~1923 |
| George Coffey | Head | — | 47 | ~1893 |
| George Coffey | Son | — | 12 | ~1928 |
Census Appearances
1930
Queens, New …
Daughter, age 14
Queens, New York · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Queens-County, New …
Daughter, age 24
Queens-County, New York · implied b. ~1916 — 10 household members
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Queens |
| Occupation | Operator |
| Industry | American Tel + Tel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| 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 Coffey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Coffey
Daughter · 1940 · age 24 · b. ~1916 · New York
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Sibling
Georgette Coffey
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Coffey
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Coffey
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Coffey
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Coffey
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aurella Coffey
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Coffey
Sibling · 1940 · age 20
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 — Queens-County, New York
Open full size
1940 US Federal Census — Queens-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02743-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eugene Ennis | 27 | Lodger | Pianist | New York |
| 2 | Virginia Ennis | 18 | Lodger | — | Maryland |
| 3 | Walter Worthington | 52 | Lodger | Night Watchman | New York |
| 4 | Susan Worthington | 52 | Lodger | — | New York |
| 5 | Tony Silver | 48 | Lodger | — | Italy |
| 6 | Millard C. Rhoads | 25 | Lodger | Laborer | Oregon |
| 7 | Michael M. Gregg | 29 | Lodger | Salesman | Ohio |
| 8 | William Kuntz | 35 | Lodger | Salesman | Germany |
| 9 | William Kuntz | 35 | Lodger | Counterman | Germany |
| 10 | Katherine Meijnen | 41 | Head | Doctor | New York |
| 11 | Josephine Meijnen | 30 | Wife | — | New York |
| 12 | Philip Meijnen | 4 | Son | — | New York |
| 13 | Constance Meijnen | 3 | Daughter | — | New York |
| 14 | Bernice Plahinkowski | 23 | Maid | Maid | Wisconsin |
| 15 | Herman Glass | 39 | Head | Doctor | New York |
| 16 | Jeanne Glass | 31 | Wife | Teacher | New York |
| 17 | Ann Allday | 36 | Maid | Maid | Virginia |
| 18 | Fred Noral | 62 | Head | Bartender | Mass |
| 19 | Sarah Noral | 66 | Wife | — | Mass |
| 20 | Eleanor Lavin | 49 | Lodger | — | Missouri |
| 21 | James Adaley | 53 | Lodger | Waiter | New York |
| 22 | George Coffey | 47 | Head | Patrolman | Mass |
| 23 | Francis Coffey | 45 | Wife | — | Mass |
| 24 | Mary Coffey THIS PERSON | 24 | Daughter | Operator | New York |
| 25 | Andrew Coffey | 22 | Daughter | Dietician | New York |
| 26 | Lillian Coffey | 20 | Daughter | Salesgirl | New York |
| 27 | John Coffey | 18 | Son | New Worker | New York |
| 28 | Georgette Coffey | 17 | Daughter | — | New York |
| 29 | Anita Coffey | 15 | Daughter | — | New York |
| 30 | George Jr. Coffey | 12 | Son | — | New York |
| 31 | Aurella Coffey | 9 | Daughter | — | New York |
| 32 | Abraham Howell | 51 | Head | Painter | New York |
| 33 | Elizabeth Howell | 48 | Wife | — | New York |
| 34 | James Howell | 3 | Son | — | New York |
| 35 | Brian Howell | 1 | Son | — | New York |
| 36 | Mary E. Hunter | 26 | Daughter | — | New York |
| 37 | Jeremiah Conroy | 38 | Head | Boiler Maker | New York |
| 38 | Cecilia Conroy | 34 | Wife | — | New York |
| 39 | Mary Conroy | 11 | Daughter | — | New York |
Related Census Records
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)