MH
Mary Hickey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Mary Hickey across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents Dennis & Eugene — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | New York |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Hickey | Daughter | — | 25 | ~1915 |
| Johanna Hickey | Daughter | — | 27 | ~1913 |
| Mary Hickey | Daughter | — | 23 | ~1917 |
| Eugene Hickey | Head | — | 62 | ~1878 |
| Elizabeth Hickey | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Bronx, New …
Daughter, age 3
Bronx, New York · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Bronx, New …
Daughter, age 13
Bronx, New York · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | M. G. Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Daughter, age 23
Bronx-County, New York · implied b. ~1917 — 5 household members
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Occupation | Clerk |
| Industry | Insurance Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| 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 Mary Hickey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dennis Hickey (~0.92 confidence) and father Eugene Hickey (~0.92 confidence) and mother Elizabeth Hickey (~0.92 confidence) and father Patrick Hickey (~0.92 confidence) and mother Nellie Hickey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Hickey
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Eugene Hickey
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Hickey
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Patrick Hickey
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Nellie Hickey
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hickey
Daughter · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Johanna Hickey
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Hickey
Sibling · 1940 · age 25
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02493-00067)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes Gibson | 39 | Wife | — | New York |
| 42 | Sara Searles | 38 | Head | Clerk | New York |
| 43 | Rose Searles | 41 | Sister | — | New York |
| 44 | Ernest Root | 64 | Head | Clerk | Germany |
| 45 | Matilda Root | 58 | Wife | — | New York |
| 46 | Ernest R. Root | 24 | Son | Asst. Engineer | New York |
| 47 | Bart Zizzi | 34 | Head | Accordion Maker | Italy |
| 48 | Caroline Zizzi | 34 | Wife | Dressmaker | Italy |
| 50 | Samuel Sunshine | 27 | Head | Candy Store | New York |
| 51 | Dorothy Sunshine | 25 | Wife | — | Wisconsin |
| 52 | Ida Sunshine | 55 | Mother | — | Russia |
| 53 | Hyman Sunshine | 34 | Brother | Newsstand | Russia |
| 54 | Cecelia Sunshine | 0 | Daughter | — | New York |
| 55 | Louis Biehl | 31 | Head | Motorman | New York |
| 56 | Stella Biehl | 21 | Wife | — | Penn. |
| 57 | Malcolm R. Biehl | 2 | Son | — | New York |
| 58 | Louis Cohen | 31 | Head | Pharmacist | New York |
| 59 | Ruth Cohen | 28 | Wife | — | New York |
| 60 | Lois Cohen | 5 | Daughter | — | New York |
| 61 | Eugene Hickey | 62 | Head | Watchman | New York |
| 62 | Elizabeth Hickey | 60 | Wife | — | New York |
| 63 | Johanna Hickey | 27 | Daughter | Stenographer | New York |
| 64 | Marguerite Hickey | 25 | Daughter | Nurse | New York |
| 65 | Mary Hickey THIS PERSON | 23 | Daughter | Clerk | New York |
| 66 | Nicholas Burkes | 56 | Head | Motorman | Turkey |
| 67 | Adelaide Burkes | 54 | Wife | — | New York |
| 68 | Arthur Brown | 34 | Son | Assist Tailor | New York |
| 69 | Patrick J. Mckenna | 50 | Head | Driver | Scotland |
| 70 | Sadie Mckenna | 52 | Wife | — | New York |
| 71 | Jacob Boorsky | 55 | Head | Operator | Russia |
| 72 | Gillie Boorsky | 50 | Wife | — | Russia |
| 73 | William Boorsky | 29 | Son | Manager | New York |
| 74 | Gertrude Boorsky | 15 | Daughter | — | New York |
| 75 | George Mousoulis | 52 | Head | Chef | Turkey |
| 76 | Sophie Mousoulis | 57 | Wife | — | New York |
| 77 | Louis Bentivegna | 37 | Head | Asst Engineer | New York |
| 78 | Jennie Bentivegna | 37 | Wife | — | Italy |
| 79 | Joan Bentivegna | 5 | Daughter | — | New York |
| 80 | Erich Bastyr | 42 | Head | Mechanic | Germany |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 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)