DC
Dorothy Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Broome-County, New York
Our Model Tree links this Dorothy Cooper across the 1920, 1930 and 1940 US Censuses in Broome-County, New York (XGBoost, ~Confirmed), with identified parents Walter & Mabel — first a daughter (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Broome-County, New York |
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Binghamton City |
| 1935 Residence (County) | Broome |
| Additional Details | |
| Occupation | none |
| Class of Worker | none |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Binghamton City |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Sarah Johnson | Other | — | 77 | ~1863 |
| Ira Alsdorf | Other | — | 67 | ~1873 |
| Mabel Cooper | Head | — | 51 | ~1889 |
| Jean Cooper | Daughter | — | 16 | ~1924 |
| Winton Burleigh | Other | — | 71 | ~1869 |
| Dorothy Cooper | Daughter | — | 23 | ~1917 |
| Norman Fulkrod | Other | — | 26 | ~1914 |
Census Appearances
1920
Broome, New …
Daughter, age 3
Broome, New York · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Dorothy E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Broome, New …
Daughter, age 13
Broome, New York · implied b. ~1917 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Dorothy E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Broome-County, New …
Daughter, age 23
Broome-County, New York · implied b. ~1917 — 7 household members
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Binghamton City |
| 1935 Residence (County) | Broome |
| Occupation | none |
| Class of Worker | none |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 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 Dorothy Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Cooper (~0.92 confidence) and mother Mabel Cooper (~0.92 confidence) and mother Mabel Cooper (~0.92 confidence) and mother Mabel Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Cooper
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mabel Cooper
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mabel Cooper
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mabel Cooper
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Cooper
Daughter · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Jean Cooper
Sibling · 1940 · age 16
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 — Broome-County, New York
Open full size
1940 US Federal Census — Broome-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02500-00771)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eugenie Blanding | 22 | Head | Saleswoman | New York |
| 42 | — | None | — | — | — |
| 43 | George Swartout | 51 | Head | Cutter | New York |
| 44 | Emma Swartout | 54 | Wife | None | New York |
| 45 | Fred Dykeman | 53 | Head | Trainman | New York |
| 46 | Marcia Dykeman | 56 | Wife | Seamstress | New York |
| 47 | Henry Letterman | 42 | Head | Communication | New York |
| 48 | Katheryn Letterman | 47 | Wife | Proprietor | New York |
| 49 | Reid Letterman | 20 | Son | None | New York |
| 50 | Frances Valeski | 21 | Servant | Servant | Pennsylvania |
| 51 | Herbert Ruger | 46 | Head | Machinist | New York |
| 52 | Bertha Ruger | 41 | Wife | None | Pennsylvania |
| 53 | Annie Dow | 62 | Mother in l | None | Pennsylvania |
| 54 | Delos Herzog | 28 | Head | Punch Press Operator | New York |
| 55 | Evelyn Herzog | 23 | Wife | None | New York |
| 56 | Yvonne Herzog | 5 | Daughter | — | New York |
| 57 | Burton Herzog | 3 | Son | — | New York |
| 58 | Mabel Cooper | 51 | Head | None | New York |
| 59 | Jean Cooper | 16 | Daughter | None | New York |
| 60 | Sarah Johnson | 77 | Mother | None | New York |
| 61 | Dorothy Cooper THIS PERSON | 23 | Daughter | None | New York |
| 62 | Winton Burleigh | 71 | Lodger | None | Pennsylvania |
| 63 | Norman Fulkrod | 26 | Lodger | Shipping Clerk | Pennsylvania |
| 64 | Ira Alsdorf | 67 | Lodger | Conductor | New York |
| 65 | Charles Camen | 60 | Head | None | Minnesota |
| 66 | Helen Camen | 56 | Wife | None | New York |
| 67 | Lillian Camen | 37 | Daughter | Teacher | New York |
| 68 | Thomas Morrison | 31 | Head | Box Cutter | Pennsylvania |
| 69 | Anne Morrison | 27 | Wife | Box Stayer | New York |
| 70 | Thomas Morrison | 8 | Son | — | New York |
| 71 | Donald Morrison | 4 | Son | — | New York |
| 72 | John Sicklecky | 24 | Head | Attendant | Pennsylvania |
| 73 | Althea Sicklecky | 22 | Wife | None | New York |
| 74 | William Sicklecky | 2 | Son | — | New York |
| 75 | Mary Sicklecky | 1 | Daughter | — | New York |
| 76 | Anna Sicklecky | 65 | Mother | None | Russia |
| 77 | Robert Conrow | 23 | Head | Baker | New York |
| 78 | Bertha Conrow | 18 | Wife | None | New York |
| 79 | Grace Conrow | 0 | Daughter | — | New York |
| 80 | J. W. De Renzy | 64 | Head | None | Illinois |
Pedigree Summary
Dorothy + 1 sibling
Gen 1 · 4 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)