MK
Mary Keefe — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Albany-County, New York
Our Model Tree links this Mary Keefe across the 1930 and 1940 US Censuses in Albany-County, New York (XGBoost, ~Confirmed) — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Head
Born: New York
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Albany-County, New York |
| Surname | Keefe |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Watervliet |
| 1935 Residence (County) | Albany |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Watervliet |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| David Keefe | Son | — | 8 | ~1932 |
| Margaret Keefe | Daughter | — | 8 | ~1932 |
| Mary Keefe | Daughter | — | 3 | ~1937 |
| Mary Keefe | Head | — | 30 | ~1910 |
Census Appearances
1930
Albany, New …
Other, age 21
Albany, New York · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keefe |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Albany-County, New …
Head, age 30
Albany-County, New York · implied b. ~1910 — 4 household members
| Surname | Keefe |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Watervliet |
| 1935 Residence (County) | Albany |
| Highest Grade | No 6 |
| 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 Keefe across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Keefe
Head · 1940 · age 30 · b. ~1910 · 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 — Albany-County, New York
Open full size
1940 US Federal Census — Albany-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02458-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Scully | 58 | Head | Rigger | New York |
| 2 | Anna Scully | 43 | Wife | — | New York |
| 3 | Annie Pitcher | 73 | Mother-in-law | — | New York |
| 4 | Thomas Owens | 49 | Head | Shipper | New York |
| 5 | Louise Owens | 55 | Wife | Clerk | New York |
| 6 | Cyril Vandebank | 58 | Head | Felt Maker | Belgium |
| 7 | Bridget Vandebank | 65 | Wife | — | Irish Free State |
| 8 | Mary Vandebank | 26 | Daughter | Registered Nurse | New York |
| 9 | Nellie Vandebank | 24 | Daughter | Secretary | New York |
| 10 | Robert Boyd | 42 | Head | Laborer | New York |
| 11 | Jessie Boyd | 36 | Wife | — | New York |
| 12 | Roberta Boyd | 5 | Daughter | — | New York |
| 13 | Arthur Brothers | 33 | Head | Painter | New York |
| 14 | Mary Brothers | 30 | Wife | — | New York |
| 15 | Carol Brothers | 2 | Daughter | — | New York |
| 16 | John Brothers | 25 | Brother | Waiter | New York |
| 17 | Martin Slavin | 40 | Head | Salesman | New York |
| 18 | Irene Slavin | 38 | Wife | — | New York |
| 19 | Marie Merrian | 32 | Head | — | New York |
| 20 | Margaret Merrian | 32 | Sister | Registered Nurse | New York |
| 21 | Wm Mcdowell | 39 | Lodger | — | New York |
| 22 | Alice Sharpe | 37 | Head | — | New York |
| 23 | Howard Sharpe | 14 | Son | — | New York |
| 24 | Marion Sharpe | 12 | Daughter | — | New York |
| 25 | Francis Sharpe | 9 | Daughter | — | New York |
| 26 | Eleanor Sharpe | 6 | Daughter | — | New York |
| 27 | Edward Sharpe | 4 | Son | — | New York |
| 28 | Mary Keefe THIS PERSON | 30 | Head | — | New York |
| 29 | Margaret Keefe | 8 | Daughter | — | New York |
| 30 | David Keefe | 8 | Son | — | New York |
| 31 | Mary Keefe | 3 | Daughter | — | New York |
| 32 | Lawrence Lansing | 49 | Head | Handyman | New York |
| 33 | Marian Lansing | 27 | Wife | — | New York |
| 34 | Patricia Lansing | 4 | Daughter | — | New York |
| 35 | Lawrence Lansing | 1 | Son | — | New York |
| 36 | Christopher Drescher | 28 | Head | Laborer | New York |
| 37 | Anna Drescher | 25 | Wife | — | Pennsylvania |
| 38 | Kathleen Drescher | 8 | Daughter | — | New York |
| 39 | Gertrude Drescher | 5 | Daughter | — | New York |
| 40 | Christopher Drescher | 2 | 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)