SA
Sarah Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Sarah Alexander across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Female
Head
Born: Russia
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Russia |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | New York City |
| Est. Birth Year | ~1865 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Rose Alexander | Daughter | — | 40 | ~1900 |
| Sarah Alexander | Head | — | 75 | ~1865 |
Census Appearances
1920
New York, …
Head, age 52
New York, New York · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Russia |
| Year of Immigration | 1911 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Housewife |
| Industry | At home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Yiddish |
| Home Owned/Rented | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
New York, …
Other, age 65
New York, New York · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1913 |
| Age at First Marriage | 15 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
New-York-County, New …
Head, age 75
New-York-County, New York · implied b. ~1865 — 2 household members
| Surname | Alexander |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Russia |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | New York |
| Naturalization Status | Alien |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Sarah Alexander across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Sarah Alexander
Head · 1940 · age 75 · b. ~1865 · 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-t0627-02625-00233)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Yetta Michalowicz | 50 | Head | Finisher | Poland |
| 2 | Rubin Michalowicz | 25 | Son | Bookkeeper | New York |
| 3 | Norman Michalowicz | 23 | Son | Helper | New York |
| 4 | Harry Hardy | 30 | Head | Chauffeur | New York |
| 5 | Dora Hardy | 29 | Wife | — | New York |
| 6 | Leonard Hardy | 3 | Son | — | New York |
| 7 | Charles Romano | 34 | Head | Chauffeur | Italy |
| 8 | Helen Romano | 32 | Wife | — | New York |
| 9 | Florence Romano | 4 | Daughter | — | New York |
| 10 | Fred Romano | 3 | Son | — | New York |
| 11 | Paula Romano | 0 | Daughter | — | New York |
| 12 | Lewis Reich | 37 | Head | Laborer | Austria |
| 13 | Ella Reich | 35 | Wife | — | New York |
| 14 | Irene Reich | 4 | Daughter | — | New York |
| 15 | Norma Reich | 1 | Daughter | — | New York |
| 16 | Sarah Alexander THIS PERSON | 75 | Head | — | Russia |
| 17 | Rose Alexander | 40 | Daughter | Bookkeeper | Russia |
| 18 | Abraham Babiniff | 29 | Head | Truckman | New York |
| 19 | Ruth Babiniff | 25 | Wife | — | New York |
| 20 | Martin Babiniff | 7 | Son | — | New York |
| 21 | Sylvia Babiniff | 3 | Daughter | — | New York |
| 22 | Isaac Vazquez | 47 | Head | Boiler Room Fireman | Spain |
| 23 | Ursula Vazquez | 48 | Wife | Fireman | Spain |
| 24 | Sydney Morris | 47 | Head | Superintendent | Missouri |
| 25 | Vidella Morris | 45 | Wife | Helper | Virginia |
| 26 | Joe Mc Crake | 41 | Lodger | Laborer | South Carolina |
| 27 | Ida Levinson | 54 | Head | — | Russia |
| 28 | Jack Levinson | 32 | Son | Chauffeur | Russia |
| 29 | Hyman Dinnerstein | 31 | Head | Peddler | New York |
| 30 | Pearl Dinnerstein | 30 | Wife | — | Russia |
| 31 | Manuel Dinnerstein | 5 | Son | — | New York |
| 32 | Isidore Greenberg | 49 | Head | Inspector & Treasurer | New York |
| 33 | Sarah Greenberg | 35 | Wife | — | Russia |
| 34 | Philip Greenberg | 16 | Son | — | New York |
| 35 | Gladys Greenberg | 13 | Daughter | — | New York |
| 36 | Gerald Greenberg | 9 | Son | — | New York |
| 37 | Ruby Greenberg | 2 | Daughter | — | New York |
| 38 | Louis Weltman | 31 | Head | Plumber | New York |
| 39 | Esther Weltman | 27 | Wife | — | New York |
| 40 | Marilyn Weltman | 5 | 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)