SC
Sarah Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Sarah Cooper across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Fanny — first a daughter (b.~1902), then head of a 8-person household.
Age 38
b. ~1902
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Cooper |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | New York City |
| Est. Birth Year | ~1902 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Rhoda Bernstein | Other | — | 10 | ~1930 |
| Harry Cooper | Son | — | 41 | ~1899 |
| Sarah Cooper | Daughter | — | 38 | ~1902 |
| Cecelia Cooper | Daughter | — | 22 | ~1918 |
| Mary Buther | Other | — | 42 | ~1898 |
| Matilda Bernstein | Daughter | — | 35 | ~1905 |
| Fanny Cooper | Head | — | 68 | ~1872 |
| Francis Bernstein | Other | — | 12 | ~1928 |
Census Appearances
1920
Kings, New …
Daughter, age 19
Kings, New York · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Typewriter |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Daughter, age 28
Kings, New York · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Clerk Typist |
| Industry | Jewelers |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Daughter, age 38
Kings-County, New York · implied b. ~1902 — 8 household members
| Surname | Cooper |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Clerk |
| Industry | Retail Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | No 8 |
| 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 Sarah Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Fanny Cooper (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Fanny Cooper
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Sarah Cooper
Daughter · 1940 · age 38 · b. ~1902 · New York
★ You are viewing this record
Sibling
Harry Cooper
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matilda Bernstein
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Cooper
Sibling · 1940 · age 22
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02578-00823)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Starling | 60 | Wife | — | New York |
| 2 | John Sweeney | 43 | Head | Coppersmith | New York |
| 3 | Anna Sweeney | 47 | Wife | — | New York |
| 4 | John Sweeney | 18 | Son | — | New York |
| 5 | Anna Sweeney | 14 | Daughter | — | New York |
| 6 | Rose Capone | 52 | Head | — | New York |
| 7 | William Capone | 35 | Son | — | New York |
| 8 | John Curran | 32 | Head | Clerk | New York |
| 9 | Angela Curran | 32 | Wife | — | New York |
| 10 | John Curran | 4 | Son | — | New York |
| 11 | Joseph Elles | 50 | Head | Salesman | New York |
| 12 | Margaret Elles | 48 | Wife | Nurse | New York |
| 13 | Frank Sarro | 38 | Head | Projector | New York |
| 14 | Louise Sarro | 34 | Wife | — | New York |
| 15 | Louise Sarro | 11 | Daughter | — | New York |
| 16 | Sonny F. Sarro | 3 | Son | — | New York |
| 17 | Pauline Tartaglia | 65 | Mother in law | — | Italy |
| 18 | Vera Mannarieno | 32 | Brother in law | Druggist | New York |
| 19 | Joseph Mannarieno | 32 | Sister in law | — | New York |
| 20 | Harry Watts | 60 | Head | Watchman | New York |
| 21 | Mary Watts | 58 | Wife | — | New York |
| 22 | Theresa Benzing | 35 | Head | Clerk | New York |
| 23 | Mary Dunni | 72 | Head | — | Ireland |
| 24 | Theresa Dunni | 65 | Sister | — | Ireland |
| 25 | Elizabeth Dunni | 60 | Sister | — | Ireland |
| 26 | Fanny Cooper | 68 | Head | — | Russia |
| 27 | Harry Cooper | 41 | Son | Proprietor | New York |
| 28 | Sarah Cooper THIS PERSON | 38 | Daughter | Clerk | New York |
| 29 | Cecelia Cooper | 22 | Daughter | Saleslady | New York |
| 30 | Matilda Bernstein | 35 | Daughter | — | New York |
| 31 | Francis Bernstein | 12 | Granddaughter | — | New York |
| 32 | Rhoda Bernstein | 10 | Granddaughter | — | New York |
| 33 | Mary T. Buther | 42 | Lodger | Fitter | New York |
| 34 | Frederick W. Breite | 60 | Head | Proprietor | Germany |
| 35 | Elizabeth Breite | 57 | Wife | — | New York |
| 36 | Katherine Zimmer | 62 | Sister in law | — | New York |
| 37 | Joseph Martz | 38 | Head | Manager | New York |
| 38 | Charlotte Martz | 36 | Wife | — | Missouri |
| 39 | Frank Houghlin | 43 | Brother in law | Clerk | New York |
| 40 | Mildred Houghlin | 41 | Sister in law | Clerk | Missouri |
Pedigree Summary
Sarah + 3 siblings
Gen 1 · 1 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)