JC
Joseph Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this Joseph Cooper across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 9-person household.
Age 26
b. ~1914
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Cooper |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Mt Vernon |
| 1935 Residence (County) | Westchester |
| Additional Details | |
| Occupation | Salesman |
| Industry | Tire + Auto Supply |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Salesman |
| Township / Ward | Mt Vernon |
| Est. Birth Year | ~1914 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Cooper | Son | — | 26 | ~1914 |
| Bert Cooper | Son | — | 10 | ~1930 |
| Ruben Cooper | Son | — | 17 | ~1923 |
| William Cooper | Head | — | 55 | ~1885 |
| Mildred Cooper | Daughter | — | 27 | ~1913 |
| Sarah Cooper | Spouse | — | 48 | ~1892 |
| Harry Cooper | Son | — | 23 | ~1917 |
| Marvin Cooper | Son | — | 8 | ~1932 |
| Frances Cooper | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Westchester, New …
Son, age 16
Westchester, New York · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Russia |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Westchester-County, New …
Son, age 26
Westchester-County, New York · implied b. ~1914 — 9 household members
| Surname | Cooper |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Mt Vernon |
| 1935 Residence (County) | Westchester |
| Occupation | Salesman |
| Industry | Tire + Auto Supply |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 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 Joseph Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Cooper
Son · 1940 · age 26 · b. ~1914 · New York
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Sibling
Ruben Cooper
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Cooper
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Cooper
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Cooper
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bert Cooper
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Cooper
Sibling · 1940 · age 27
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 — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02807-00902)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ray Balaban | 15 | Daughter | — | New York |
| 42 | Vivian Balaban | 5 | Daughter | — | New York |
| 43 | Eric Holmgren | 33 | Head | Dye Asst. | Sweden |
| 44 | Selma Holmgren | 30 | Wife | — | New York |
| 45 | Nancy Holmgren | 4 | Daughter | — | New York |
| 46 | William Anderson | 65 | Father-in-law | — | New York |
| 47 | Charles Pauley|Pauleyzke | 48 | Head | Editor | Illinois |
| 48 | Bessie Pauley|Pauleyzke | 49 | Wife | — | Illinois |
| 49 | Estelle Pauley|Pauleyzke | 24 | Daughter | Office Clerk | Illinois |
| 50 | Charles Jr. Pauley|Pauleyzke | 15 | Son | — | Illinois |
| 51 | Bedros Gervickian | 74 | Head | Partner Carpet Cleaning | Turkey |
| 52 | Mary Gervickian | 62 | Wife | — | Turkey |
| 53 | Robert Gervickian | 28 | Son | Partner Carpet Cleaning | New York |
| 54 | Vursenig Kanchelian | 70 | Sister-in-law | — | Turkey |
| 55 | Harry Jr. Gervickian | 45 | Son | Machinist | Turkey |
| 56 | Aram Grayson | 41 | Head | Organist | Turkey |
| 57 | Hermine Grayson | 32 | Wife | — | Turkey |
| 58 | Aram Jr. Grayson | 5 | Son | — | New York |
| 59 | William Menkel | 63 | Head | Expeditor | New York |
| 60 | Alice Menkel | 63 | Wife | — | Massachusetts |
| 61 | C. Elizabeth Sanger | 25 | Daughter | Secretary | New York |
| 62 | William Cooper | 55 | Head | Owner | Russia |
| 63 | Sarah Cooper | 48 | Wife | — | England |
| 64 | Mildred Cooper | 27 | Daughter | — | New York |
| 65 | Joseph Cooper THIS PERSON | 26 | Son | Salesman | New York |
| 66 | Harry Cooper | 23 | Son | Helper | New York |
| 67 | Ruben Cooper | 17 | Son | — | New York |
| 68 | Frances Cooper | 12 | Daughter | — | New York |
| 69 | Bert Cooper | 10 | Son | — | New York |
| 70 | Marvin Cooper | 8 | Son | — | New York |
| 71 | Louis Freeman | 57 | Head | Salesman | Russia |
| 72 | Dora Freeman | 53 | Wife | — | Russia |
| 73 | Sara Freeman | 30 | Daughter | Saleslady | New Jersey |
| 74 | Rose Freeman | 21 | Daughter | Saleslady | New Jersey |
| 75 | John E. Dicko | 40 | Head | Emergency Man | Nova Scotia |
| 76 | Mildred Dicko | 40 | Wife | — | Nova Scotia |
| 77 | Edith Dicko | 16 | Daughter | — | Nova Scotia |
| 78 | Nell Dicko | 14 | Daughter | — | Connecticut |
| 79 | Leo Lorch | 35 | Head | Manager Salesman | Austria |
| 80 | Kate Lorch | 34 | Wife | — | Germany |
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)