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Mary Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Black across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Black |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Black | Head | — | 50 | ~1890 |
| James Black | Son | — | 16 | ~1924 |
| Mary Black | Spouse | — | 45 | ~1895 |
Census Appearances
1920
New York, …
Other, age 22
New York, New York · implied b. ~1898 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Cook |
| Industry | Private |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Spouse, age 31
New York, New York · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
New-York-County, New …
Spouse, age 45
New-York-County, New York · implied b. ~1895 — 3 household members
| Surname | Black |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | Alien |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Black 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 Black
Spouse · 1940 · age 45 · b. ~1895 · 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 — 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-t0627-02653-00190)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James G. Black | 50 | Head | Mixing Cement | Ireland |
| 2 | Mary J. Black THIS PERSON | 45 | Wife | — | Ireland |
| 3 | James Jr. Black | 16 | Son | — | New York |
| 4 | John Toadmine | 37 | Head | Plasterer | Italy |
| 5 | Angelina Toadmine | 26 | Wife | — | Italy |
| 6 | Salvatore Toadmine | 3 | Son | — | New York |
| 7 | Nettie O'Brien | 55 | Head | — | New York |
| 8 | Irene O'Brien | 36 | Daughter | Office Clerk | New York |
| 9 | Rudolph Meringer | 52 | Head | Clerk | Germany |
| 10 | Mary Meringer | 43 | Wife | — | Hungary |
| 11 | Ernest Meringer | 20 | Son | Candy Maker | New York |
| 12 | Rudolph Jr. Meringer | 16 | Son | — | New York |
| 13 | Ronald Meringer | 6 | Son | — | New York |
| 14 | Delia Godfrey | 50 | Head | — | Ireland |
| 15 | Louis Sabella | 44 | Head | — | Italy |
| 16 | Maria Sabella | 42 | Wife | — | Italy |
| 17 | Marion Sabella | 16 | Daughter | — | Italy |
| 18 | Josephine Sabella | 10 | Daughter | — | Italy |
| 19 | Antionette Sabella | 8 | Daughter | — | New York |
| 20 | Gilda Sabella | 7 | Daughter | — | New York |
| 21 | Lillian Sabella | 6 | Daughter | — | New York |
| 22 | Jennie Piper | 70 | Head | — | New York |
| 23 | Rosario Longre | 30 | Head | Elevator Operator | New York |
| 24 | Margaret Longre | 23 | Wife | — | New York |
| 25 | Dolores Longre | 2 | Daughter | — | New York |
| 26 | Katherine Meyers | 11 | Sister | — | New York |
| 27 | John Mclaughlin | 50 | Head | Laborer | Eire |
| 28 | Mary Mclaughlin | 50 | Wife | — | Eire |
| 29 | Timothy Horgan | 59 | Lodger | Elevator Operator | Eire |
| 30 | Alexander Milos | 37 | Head | Truck Driver | Yugoslavia |
| 31 | Anna Milos | 35 | Wife | — | New York |
| 32 | John Malone | 14 | Son | — | New York |
| 33 | John Jancovic | 51 | Head | Tailor Shop | Slovakia |
| 34 | Joseph Michlovic | 46 | Boarder | Taxi Driver | Slovakia |
| 35 | Paul Stanek | 39 | Head | Shoemaker | Czechoslovakia |
| 36 | Elizabeth Stanek | 35 | Wife | — | Czechoslovakia |
| 37 | Rudolph Stanek | 4 | Son | — | Ireland |
| 38 | Delia O'Connell | 75 | Head | — | New York |
| 39 | Catherine O'Connell | 48 | Daughter | Forelady | New York |
| 40 | Helen O'Connell | 45 | Daughter | — | 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)