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Mary Hennessy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Hennessy across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 6-person household.
Age 44
b. ~1896
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Hennessy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hennessy | Spouse | — | 44 | ~1896 |
| Joseph Hennessy | Head | — | 39 | ~1901 |
| Frances Hennessy | Daughter | — | 14 | ~1926 |
| Eileen Hennessy | Daughter | — | 11 | ~1929 |
| Mary Hennessy | Daughter | — | 13 | ~1927 |
| Beatrice Hennessy | Daughter | — | 10 | ~1930 |
Census Appearances
1930
New York, …
Spouse, age 34
New York, New York · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| 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
New-York-County, New …
Spouse, age 44
New-York-County, New York · implied b. ~1896 — 6 household members
| Surname | Hennessy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| 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 Hennessy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hennessy
Spouse · 1940 · age 44 · b. ~1896 · New York
★ You are viewing this record
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-t0627-02667-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurice Rocheleau | 63 | Lodger | — | New York |
| 2 | Joseph P. Hennessy | 39 | Head | Patrolman | New York |
| 3 | Mary Hennessy THIS PERSON | 44 | Wife | — | New York |
| 4 | Frances Hennessy | 14 | Daughter | — | New York |
| 5 | Mary Hennessy | 13 | Daughter | — | New York |
| 6 | Eileen Hennessy | 11 | Daughter | — | New York |
| 7 | Beatrice Hennessy | 10 | Daughter | — | New York |
| 8 | Andrew A. Dianni | 59 | Head | Handyman | Italy |
| 9 | Millie Dianni | 53 | Wife | — | Italy |
| 10 | Beatrice Dianni | 20 | Daughter | Messenger | New York |
| 11 | Nunzio (Ab) Dianni | 18 | Son | Laborer | New Jersey |
| 12 | Armando Dianni | 16 | Son | — | New Jersey |
| 13 | Theresa Dianni | 13 | Daughter | — | New York |
| 14 | Camila Graziani | 47 | Head | — | Puerto Rico |
| 15 | Hilda Graziani | 18 | Daughter | New Worker | Puerto Rico |
| 16 | Sidia Graziani | 16 | Daughter | — | Puerto Rico |
| 17 | Felicita E. Fernandez | 48 | Sister | Waitress | Puerto Rico |
| 18 | Carmen Ferrara | 35 | Head | — | Puerto Rico |
| 19 | James A. Ferrara | 11 | Son | New Worker | Puerto Rico |
| 20 | Charles Donero | 29 | Lodger | Folder | Cuba |
| 21 | Frank Lopez | 27 | Lodger | Handyman | Cuba |
| 22 | Antonio Sr. Ramos | 24 | Head | Superintendent | Puerto Rico |
| 23 | Enis Ramos | 23 | Wife | — | Puerto Rico |
| 24 | Doris Ramos | 2 | Daughter | — | New York |
| 25 | Antonio Ramos | 1 | Son | — | New York |
| 26 | Robert Ramos | 0 | Infant | — | New York |
| 27 | Antonio Fermainth | 23 | Head | Wringer Man | Puerto Rico |
| 28 | Hipolita Fermainth | 24 | Wife | — | Puerto Rico |
| 29 | Charles Fermainth | 3 | Son | — | New York |
| 30 | Evelyn Fermainth | 2 | Daughter | — | New York |
| 31 | Thomas Caro | 35 | Head | Vendor | Puerto Rico |
| 32 | Nemesia B. Caro | 30 | Wife | — | Puerto Rico |
| 33 | Andrew Ortiz | 45 | Head | Laborer | Puerto Rico |
| 34 | Mariana Ortiz | 40 | Wife | — | Puerto Rico |
| 35 | Charles Fernandez | 40 | Lodger | Laborer | Puerto Rico |
| 36 | Domingo Gloria | 36 | Head | Clerk | Puerto Rico |
| 37 | Pauline Gloria | 33 | Wife | — | Puerto Rico |
| 38 | Lydia Gloria | 11 | Daughter | — | New York |
| 39 | Raymond Gloria | 8 | Son | — | New York |
| 40 | Anibal Gloria | 6 | Son | — | 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)