DC
Dorothy Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, New York
Our Model Tree links this Dorothy Cook across the 1920, 1930 and 1940 US Censuses in Jefferson-County, New York (XGBoost, ~Confirmed), with identified parents Roy & Roy — first a daughter (b.~1918), then head of a 2-person household.
Age 22
b. ~1918
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, New York |
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Watertown |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Stenographer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Stenographer |
| Township / Ward | Watertown |
| Est. Birth Year | ~1918 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Roy Cook | Head | — | 51 | ~1889 |
| Dorothy Cook | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Jefferson, New …
Daughter, age 2
Jefferson, New York · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Jefferson, New …
Daughter, age 12
Jefferson, New York · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooke |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| 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
Jefferson-County, New …
Daughter, age 22
Jefferson-County, New York · implied b. ~1918 — 2 household members
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Watertown |
| 1935 Residence (County) | Jefferson |
| Occupation | Stenographer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 236 |
| Highest Grade | Hs 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 Dorothy Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Roy Cook (~0.92 confidence) and father Roy Cooke (~0.92 confidence) and father Roy Cook (~0.92 confidence) and mother Alice Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Roy Cook
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Roy Cooke
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Roy Cook
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Alice Cook
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Cook
Daughter · 1940 · age 22 · b. ~1918 · 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 — Jefferson-County, New York
Open full size
1940 US Federal Census — Jefferson-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02546-00409)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond J. Donahue | 17 | Son | — | New York |
| 2 | Bernard J. Donahue | 13 | Son | — | New York |
| 3 | Leo F. Donahue | 10 | Son | — | New York |
| 4 | Robert Donahue | 8 | Son | — | New York |
| 5 | Charles C. Donahue | 7 | Son | — | New York |
| 6 | Dennis F. Donahue | 5 | Son | — | New York |
| 7 | Phillip J. Donahue | 3 | Son | — | New York |
| 8 | David L. Donahue | 2 | Son | — | New York |
| 9 | Alvin Evans | 52 | Head | Salesman | New York |
| 10 | Anna M. Evans | 57 | Wife | — | New York |
| 11 | Elizabeth Ann Evans | 21 | Daughter | Switch Board | New York |
| 12 | Carrie O'Connor | 65 | Sister-in-law | — | New York |
| 13 | James O'Connor | 66 | Brother-in-law | — | New York |
| 14 | Hubert W. Burnett | 66 | Head | Stock Clerk | Canada-English |
| 15 | Marian Burnett | 56 | Wife | — | New York |
| 16 | Louis Boutellier | 74 | Head | Janitor | Canada-English |
| 17 | Nancy Boutellier | 64 | Wife | — | New York |
| 18 | Mary E. Hooley | 69 | Head | — | New York |
| 19 | Adelaide M. Fickel | 63 | Boarder | — | New York |
| 20 | Olin D. Fickel | 41 | Son | — | New York |
| 21 | Albert H. Pratt | 75 | Head | — | New York |
| 22 | Millie E. Pratt | 67 | Wife | — | New York |
| 23 | Minnie E. Pratt | 79 | Sister | — | New York |
| 24 | Charles S. Pratt | 37 | Son | Carpenter | New York |
| 25 | Vera P. Pratt | 32 | Daughter-in-law | — | New York |
| 26 | Ruth F. Pratt | 13 | Daughter | — | New York |
| 27 | Rita P. Pratt | 10 | Daughter | — | New York |
| 28 | Kenneth Barnard | 23 | Head | Foreman | New York |
| 29 | Elizabeth Barnard | 21 | Wife | — | Michigan |
| 30 | Laverne Jones | 7 | Nephew | — | New York |
| 31 | Sally Louise Jones | 0 | Daughter | — | New York |
| 32 | Norman Wilder | 26 | Head | Truck Driver | New York |
| 33 | Lillian Wilder | 29 | Wife | Machine Oper. | New York |
| 34 | Fred Wilder | 56 | Father | Driving Truck | New York |
| 35 | James Wilder | 21 | Brother | Helper | New York |
| 36 | Bessie Closs | 50 | Head | Clerk | New York |
| 37 | Ruth Hodge | 17 | Niece | — | New York |
| 38 | Roy E. Cook | 51 | Head | Machinist | New York |
| 39 | Dorothy Cook THIS PERSON | 22 | Daughter | Stenographer | New York |
| 40 | George Plunkett | 45 | Head | Artist | Canada-English |
Pedigree Summary
Dorothy
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)